All 19 subjects
Subject 16 of 19

Commercial and Investment Properties

Property types, leases, income and expense analysis, risk, financing, taxation, and investment performance.

Separate required course

10 of 77 course hours

New York assigns this time within its required pre-licensing course. It is not the time needed to use this exam-prep guide or mobile app.

14

lessons

200

mobile questions

5

free web samples

22

sources

Quick answer

What should you know about commercial and investment properties?

Property types, leases, income and expense analysis, risk, financing, taxation, and investment performance. This guide covers 14 lessons with New York scenarios, common mistakes, documents, worked examples, selected web practice and direct links to the sources used.

Start here

What the official subject covers

  1. 1

    Office, retail, industrial, multifamily, hospitality, mixed-use, and land investments

  2. 2

    Gross, net, percentage, ground, and escalation lease structures

  3. 3

    Potential gross income, vacancy, effective gross income, operating expenses, and NOI

  4. 4

    Capitalization rate, gross rent multiplier, cash flow, and return measures

  5. 5

    Due diligence, environmental risk, zoning, tenant credit, and market analysis

  6. 6

    Commercial financing, debt service, leverage, and lender underwriting concepts

  7. 7

    Tax considerations, depreciation concepts, and exchange awareness

The exam lens

NOI is calculated before debt service and income tax in the basic exam formula.

A higher perceived risk commonly corresponds with a higher required capitalization rate, all else equal.

Read the lease structure before deciding which expenses belong to the landlord or tenant.

Subject vocabulary

Know these terms before the scenarios

Open any term for a direct definition, the exam cue, a New York example, the common mix-up and links to the source material.

Your mastery checklist

Know what you have actually finished.

Mark a lesson only after you can explain its rule without looking. Progress is saved on this device and never changes your license or state-exam record.

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Complete lessons

Learn the rules, then apply them.

Work in order the first time. Each lesson gives you the rule, why it matters, a New York example, the common mistake and a short recall check.

Chapter 1

Investment foundations

Understand investment risk, return, liquidity, leverage and time value, then match each property type with the income, market and due diligence facts that matter.

1Risk, return, liquidity, leverage and time value

Exam rule

An investment is judged by the return it may produce and the risk taken to earn it. Risk means uncertainty about income, expenses, value and the ability to sell. Real estate faces market risk, vacancy and credit risk, interest-rate risk, physical and environmental risk, legal risk and liquidity risk. Liquidity is the ability to sell an asset promptly without accepting a major loss or heavy transaction cost. Real property is usually less liquid than a publicly traded security. Rate of return compares an investment's gain or cash flow with the amount invested. Leverage means using borrowed money to control a larger asset with less cash. Equity is the owner's value after debt. Positive leverage occurs when the property earns enough to make the return on equity higher after debt service. Negative leverage occurs when the debt burden pushes that return lower. Debt can also magnify a loss, and the payment remains due during vacancy. Time value of money means a dollar today is worth more than a dollar received later because today's dollar can be invested. Future cash flows must be discounted to compare them with cash paid today. A sound analysis never chooses the highest projected return by itself. It asks what assumptions, debt, timing and risk produced that number.

Why it matters

These ideas connect the whole subject. Cap rate measures a property return before financing. Cash-on-cash return measures before-tax cash flow against equity. Present value lets an investor compare cash received at different times.

New York scenario

An investor can buy a building for $1,000,000 in cash or use $250,000 cash and a loan. If NOI is $60,000 and debt service is $40,000, the financed buyer earns $20,000 on $250,000, or 8 percent before tax. The all-cash return is 6 percent. If debt service rises to $52,500, the financed return falls to 3 percent.

Common misconception: Leverage is not automatically profitable. Compare the property's return with the full cost and risk of the debt. Also keep cap rate and cash-on-cash return separate. They use different income and different bases.

Check your recall

What makes real property relatively illiquid?

A sale can require marketing, inspections, financing, title work and closing costs, so the owner may not turn it into cash quickly without lowering the price.

When is leverage positive?

It is positive when using debt raises the investor's return on equity. It is negative when the debt burden lowers that return.

Why is money received next year worth less today?

Money available today can earn a return. A future payment must be discounted to express its present value.

2Investment property types and ownership interests

Exam rule

Begin with the property type because it shapes the tenants, leases, expenses, financing and valuation. Unimproved land has no building income and may depend on zoning, access, utilities, approvals and future demand. Office buildings may be described as low-rise, mid-rise or high-rise. Residential investments include single-family and multifamily property. Mixed-use property combines uses, such as stores below apartments, and each use may have a different rent, expense pattern and risk. Retail includes strip and neighborhood centers, malls, regional malls, mega malls and outlet centers. An anchor tenant is a major store or other draw that helps bring customers and may support smaller tenants. Its departure can hurt traffic, rent and financing. Manufacturing and industrial property include plants, warehouses and loft buildings. Ceiling height, floor load, loading access, power, layout and transportation may matter more than finishes. A special-purpose property has a design suited to a narrow use, so adaptation and resale can be difficult. Ownership also matters. Fee simple ownership is the broad ownership interest in the land and improvements, subject to government powers and private limits. A leasehold is the tenant's right to possess and use property for the lease term. Under a long-term ground lease, the landowner keeps the fee and the tenant holds a leasehold in the land, often with rights and duties involving improvements.

Why it matters

A student who identifies the property and the interest first can choose the right comparison. Retail depends on sales and traffic. Office depends heavily on space efficiency and lease costs. A ground lease is not land ownership.

New York scenario

A five-story building has stores at street level and apartments above. It is mixed use, not purely retail or multifamily. Analyze each income stream, shared expense and legal use before combining the results.

Common misconception: Do not stop at the assessment class. It helps identify use, but it does not tell you about the leases, condition, location, market or ownership interest.

Check your recall

Why does an anchor tenant matter?

It can attract customers and support other tenants. Losing it may reduce traffic, income and the center's value.

What does a ground tenant own?

The tenant owns a leasehold right for the term. The landowner keeps the fee interest unless the documents say otherwise.

What makes a property special purpose?

Its design serves a narrow use, which may limit alternative users and make resale or conversion harder.

3Market analysis, feasibility and due diligence

Exam rule

A pro forma is a forecast. A reconstructed income and expense statement tests how an informed buyer expects the property to run. Start with the rent roll, leases, amendments, operating statements and tax bills. Then test the figures. Contract rent is the rent stated in a lease. Market rent, also called economic rent, is what similar space would bring in the current market. A below-market lease may be fully collectible and still hold income down. An above-market lease may not last after renewal. Rebuild rent, vacancy, collection loss and expenses from the leases, property history and market data. Check the site and building. Check title, survey, zoning, legal use and permits. Review environmental conditions, utilities and insurance. Review financing, service contracts and planned capital work. Study tenant credit, lease expiration dates and renewal options. Find concessions, deposits, transfer rights and expense payments. Estoppel certificates can confirm key lease facts with tenants. Market analysis asks whether buyers and tenants want this product at the proposed price or rent. Feasibility asks whether the plan is legally allowed, physically possible and financially worthwhile. A sound forecast uses realistic time, cost and reserve estimates. A licensee should spot issues and call the right expert. That may be an attorney, engineer, environmental professional or accountant.

Why it matters

Last year's statement may be accurate and still mislead a buyer about next year. Due diligence tests each claim. It also finds costs that do not appear in the asking price.

New York scenario

A warehouse is fully leased, but half the rent expires next year. The roof also needs replacement. Current occupancy does not prove the projected NOI. The buyer should model renewal rent, downtime, leasing costs and the roof reserve.

Common misconception: Do not replace contract rent with market rent everywhere. Existing leases control actual collections until they expire or change. Use both figures, label each one and explain when the market assumption begins.

Check your recall

How is a reconstructed statement different from a pro forma?

The reconstructed statement normalizes supported current income and expenses. A pro forma forecasts future performance under stated assumptions.

What is the purpose of an estoppel certificate?

It confirms stated lease facts, such as rent, term, amendments and defaults, for a buyer or lender that may rely on the statement.

What three questions drive feasibility?

Is the plan legally allowed, physically possible and financially worthwhile under realistic market assumptions?

Chapter 2

Income analysis

Reconstruct income and expenses from potential rent through NOI, before-tax and after-tax cash flow, then solve capitalization and multiplier questions without mixing the formulas.

1Potential gross income, vacancy and effective gross income

Exam rule

Build the income statement from the top. Potential gross income, or PGI, is the income the property could produce for the period if rentable space were occupied and scheduled amounts were collected. Include rent from every unit or space and other recurring property income named in the facts, such as parking, laundry, storage or vending. Keep the time period consistent. Vacancy loss covers space that is not rented. Collection or credit loss covers amounts that are due but not collected. Subtract the supported vacancy and collection allowance from potential income to reach effective gross income, or EGI. In a simple exam problem: vacancy and collection loss equals PGI times the stated loss rate, and EGI equals PGI minus that loss. If other income is listed separately, follow the problem's layout and add it at the stated step. A current full building can still need a stabilized vacancy allowance because leases expire, tenants default and space turns over. A reconstructed statement should use a rate supported by the property and its market rather than a convenient zero. Do not subtract operating expenses yet. They come after EGI.

Why it matters

Every later result starts with EGI. If collections are too high, NOI, cash flow and value will also be too high. Label each income and loss line before moving to expenses.

New York scenario

A building has $500,000 of scheduled rent and $20,000 of parking income. With a 6 percent vacancy and collection allowance on the $520,000 potential income, the loss is $31,200 and EGI is $488,800.

Common misconception: Do not call PGI the rent actually collected. Do not subtract debt service from gross income. First account for vacancy and collection loss, then operating expenses, then financing.

Check your recall

What is the difference between vacancy loss and collection loss?

Vacancy loss comes from unoccupied space. Collection loss comes from rent or other income that was due but not collected.

What is the basic EGI formula?

Effective gross income equals potential gross income minus vacancy and collection loss, with other income handled as the problem states.

Does full occupancy prove a zero vacancy allowance?

No. A stabilized allowance reflects expected loss over time and should be supported by the property and market.

2Operating expenses, reserves and net operating income

Exam rule

Net operating income, or NOI, is the income left after normal operating expenses come out of effective gross income. Use this order. Find EGI. Then subtract operating costs. The basic formula is NOI equals EGI minus operating expenses. Fixed expenses do not change directly with occupancy. Property taxes and many insurance costs are common examples. Variable expenses tend to move with use or occupancy. Some utilities, cleaning, management and repairs may fit here. A reserve for replacements sets aside an annual amount for parts that wear out, such as a roof, pavement, appliances or building equipment. It spreads a future need across the years that benefit. Follow the problem's treatment of reserves. NOI is a property result before financing and income taxes. Do not deduct mortgage principal, mortgage interest, total debt service, book depreciation or the owner's income tax when finding NOI. A major improvement is not a normal one-year operating cost. It is usually a capital item, though the analysis may include a reserve. Rebuild each line instead of trusting the seller's label. A personal owner bill does not become a building cost just because the owner paid it. The same is true for a one-time loan cost.

Why it matters

NOI shows what the building earns before debt and tax. It feeds the cap rate. It also lets investors compare buildings whose owners use different loans.

New York scenario

A property has $488,800 of EGI. Fixed expenses are $80,000, variable expenses are $118,000 and the replacement reserve is $10,800. Total operating expenses are $208,800, so NOI is $280,000.

Common misconception: A mortgage payment is not an operating expense. Debt service belongs below NOI. Depreciation is a noncash tax or accounting deduction, not a cash operating expense in this calculation.

Check your recall

What is the NOI formula?

NOI equals effective gross income minus operating expenses.

Which financing items are excluded from NOI?

Mortgage principal, mortgage interest and total debt service are excluded because NOI is measured before financing.

Why include a replacement reserve in an analysis?

It recognizes that short-lived building components wear out and need future replacement even if no replacement occurs this year.

3Debt service, before-tax cash flow and after-tax cash flow

Exam rule

Debt service is the required principal and interest payment on borrowed money. Before-tax cash flow, or BTCF, equals NOI minus annual debt service in the basic exam model. Cash-on-cash return, also called the equity dividend rate, equals annual BTCF divided by the investor's cash equity. Use the cash actually invested when the problem gives acquisition costs or other initial cash. After-tax cash flow, or ATCF, equals BTCF minus the income tax generated by the operation. The tax calculation does not follow cash flow line for line. A simplified classroom model may begin with NOI, subtract deductible mortgage interest and tax depreciation, make any stated tax adjustments, and multiply taxable income by the supplied tax rate. Mortgage principal reduces cash but is not an interest deduction. Depreciation can reduce taxable income without using current cash. This can create a tax shelter, meaning deductions reduce taxable income, but it does not guarantee spendable cash or a usable current loss. Federal passive-activity and at-risk rules can limit whether and when an investor uses a rental loss. Tax rates and taxpayer facts vary, so use the assumptions in the question and refer an actual investor to a qualified tax professional.

Why it matters

The cash world and tax world are different. Debt principal affects cash flow but not the interest deduction. Depreciation affects taxable income but is not a current cash payment.

New York scenario

NOI is $100,000. Debt service is $60,000, made up of $35,000 interest and $25,000 principal. BTCF is $40,000. If depreciation is $20,000 and no other adjustment applies, the simplified taxable income is $45,000, not $20,000, because only the $35,000 interest is subtracted from NOI.

Common misconception: Do not subtract the entire mortgage payment when finding taxable income. Do not subtract depreciation when finding BTCF. Keep NOI, debt service, interest, principal and depreciation on separate lines.

Check your recall

What is the basic BTCF formula?

Before-tax cash flow equals NOI minus annual debt service.

How do you find cash-on-cash return?

Divide annual before-tax cash flow by the investor's cash equity, using the investment base stated in the question.

Why can taxable income differ from cash flow?

Principal reduces cash but is not interest, while depreciation may reduce taxable income without a current cash payment.

4Capitalization rate and the IRV formula

Exam rule

Direct capitalization converts one year's stabilized NOI into value. Use the IRV relationship: income divided by rate equals value. Rearranged, rate equals income divided by value, and income equals value times rate. Write the rate as a decimal before calculating. At an 8 percent cap rate, divide NOI by 0.08. A cap rate may be extracted from comparable sales by dividing each comparable's stabilized NOI by its sale price. The selected rate should reflect market evidence and the property's income risk, growth outlook, condition, location and lease profile. New York's assessment glossary also describes a capitalization rate through components such as a discount rate, effective tax rate and recapture rate. Use the method the question supplies. The cap rate is not the mortgage interest rate. It is not the cash-on-cash return. It uses NOI before debt service and the property value or price, while cash-on-cash uses BTCF and investor equity. For the same NOI, a higher cap rate produces a lower indicated value because the investor demands more return for each dollar paid.

Why it matters

IRV handles three common exam questions with one relationship. It also shows why a small change in the selected rate can cause a large change in value.

New York scenario

A property has stabilized NOI of $240,000. Comparable sales support an 8 percent cap rate. Value is $240,000 divided by 0.08, or $3,000,000. At 10 percent, the same NOI indicates only $2,400,000.

Common misconception: Do not capitalize gross rent and do not subtract debt service before using IRV. Direct capitalization normally uses stabilized NOI. Keep the income period and rate period consistent.

Check your recall

What are the three IRV formulas?

Value equals income divided by rate. Rate equals income divided by value. Income equals value times rate.

How can a market cap rate be extracted from a sale?

Divide the comparable property's stabilized NOI by its sale price, then judge whether that sale is truly comparable.

Why does a higher cap rate lower value?

The investor requires more annual income for each dollar of value, so the same NOI supports a lower price.

5Gross rent and gross income multipliers

Exam rule

A gross rent multiplier, or GRM, compares sale price with gross rent. GRM equals sale price divided by gross rent. Indicated value equals the subject's gross rent times a supported GRM. A gross income multiplier, or GIM, follows the same idea using the stated gross income figure. Read the problem carefully to see whether it uses monthly rent, annual rent, potential gross income or effective gross income. Keep the numerator and denominator consistent across the comparable and subject. If a comparable sold for $600,000 and its monthly gross rent was $5,000, its monthly GRM is 120. If annual rent is used instead, the annual GRM is 10. Both describe the same sale with different periods. A multiplier is a quick comparison, not a full operating analysis. It does not directly account for different vacancy, taxes, utilities, repairs, management, reserves or lease terms. Use comparable properties with similar expense patterns and confirm the result with a method that considers NOI when the facts permit.

Why it matters

Multiplier questions are easy once the rent basis and period are labeled. The method is useful for a quick screen but can mislead when two properties earn the same gross income and keep very different amounts.

New York scenario

Three comparable small buildings support monthly GRMs near 100. A subject with $7,000 monthly gross rent has an indicated value near $700,000. The answer is only as sound as the comparable leases and expense patterns.

Common misconception: Do not mix monthly rent with an annual multiplier. Do not confuse a GRM with a cap rate. A multiplier uses gross income, while a cap rate uses NOI.

Check your recall

What is the GRM formula?

Gross rent multiplier equals sale price divided by gross rent.

How do you estimate value with a multiplier?

Multiply the subject's comparable gross rent or income by the supported multiplier.

What major information does a gross multiplier ignore?

It does not directly account for operating expenses, vacancy differences or financing.

Chapter 3

Commercial measurement and leasing

Measure commercial space, compare lease structures and costs, calculate every required escalation, and read the clauses that protect a landlord, tenant, buyer or lender.

1Gross, rentable, usable and carpetable area

Exam rule

Commercial space can carry several area figures. Gross building area describes the building under the stated method. It is not always the area a tenant uses or pays rent on. Usable area is the space available for the tenant's people and work under the lease standard. Carpetable area is an exam term. It means the floor area where carpet or furniture can be placed after major columns and similar blocks come out. Rentable area is used to calculate rent. It usually includes usable area plus a share of common areas. Common areas may include halls, elevator lobbies, restrooms and shared service areas. Stairs, elevator shafts and major ducts are vertical penetrations. The chosen standard tells how to treat them and their walls. Do not guess. Rentable area is usually larger than usable area. These terms are not fixed facts for every building. The lease must name the method, limits, excluded space and any right to measure again. Compare both the rentable cost and the usable space delivered. Never promise an area from a brochure without checking the documents and method.

Why it matters

A tenant may pay rent on 12,000 square feet but control much less usable space. The quoted rate alone cannot show the real cost or efficiency of the deal.

New York scenario

Space A and Space B each rent for $40 per rentable square foot. Both have 10,000 rentable square feet, but A delivers 9,000 usable square feet and B delivers 8,000. Their annual rent matches, but A gives the tenant more working area.

Common misconception: Do not assume rentable area means the private suite or that carpetable area is always the lease measurement. Use the term and standard stated in the problem or lease.

Check your recall

What usually separates rentable area from usable area?

Rentable area usually adds an allocated share of common areas to the tenant's usable area.

What does carpetable area try to describe?

It describes the part of the floor that can be put to practical use after major interior obstructions are removed.

What should a licensee verify before quoting square footage?

Verify the measurement standard, boundaries, exclusions, common-area treatment and any remeasurement right in the documents.

2Load factor, add-on factor and loss factor

Exam rule

The same gap between rentable and usable area can be stated three ways. Load factor, also called the rentable-to-usable or R/U factor, equals rentable area divided by usable area. It is a multiplier, such as 1.15. Add-on factor, also called common area factor in some systems, equals rentable area minus usable area, divided by usable area. It is a percentage, such as 15 percent. Loss factor equals rentable area minus usable area, divided by rentable area. It uses a different base, so it will be a smaller percentage than the add-on factor for the same space. To find rentable area from usable area, multiply usable area by the load factor. To find usable area from rentable area, divide by the load factor. With 10,000 usable square feet and 11,500 rentable square feet, the load factor is 1.15, the add-on factor is 15 percent and the loss factor is about 13.04 percent. The names used in a market can vary, so the safest method is to read the formula in the lease or question. A high factor is not automatically unfair. It may pay for useful common facilities, but it does mean the tenant receives less usable space for each rentable foot.

Why it matters

Students often memorize one percentage and apply it to the wrong base. Writing rentable minus usable first, then naming the denominator, prevents that error.

New York scenario

A tenant needs 20,000 usable square feet. Building A has a 1.10 load factor and requires 22,000 rentable feet. Building B has a 1.25 factor and requires 25,000 rentable feet. Compare the annual rent on those rentable totals.

Common misconception: Do not call 1.15 a 115 percent common area factor. It is a load multiplier. The add-on percentage in that example is 15 percent, and the loss percentage uses another base.

Check your recall

What is the load-factor formula?

Divide rentable area by usable area.

What is the add-on-factor formula?

Subtract usable area from rentable area, then divide the difference by usable area.

What is the loss-factor formula?

Subtract usable area from rentable area, then divide the difference by rentable area.

3Gross, net, office, retail, percentage, loft and ground leases

Exam rule

A lease label is only a starting point. The written lease decides who pays each cost. In a gross lease, the landlord generally pays stated building operating costs from the rent. A modified gross lease changes that allocation. In a net lease, the tenant pays base rent plus one or more named property costs. The shorthand single net, double net and triple net is common, but the lease must still say whether the tenant pays taxes, insurance, maintenance, structure, utilities or other items. Office, retail and loft leases describe the type of space and business setting, not one automatic expense plan. A retail lease may include percentage rent. The tenant pays minimum or base rent plus a stated percentage of sales above a breakpoint. The natural breakpoint equals annual base rent divided by the percentage rate. Annual base rent of $120,000 divided by 6 percent gives a $2,000,000 natural breakpoint. An artificial breakpoint is negotiated rather than produced by that formula. A ground lease gives the tenant a long-term leasehold in land while the owner keeps the fee. The agreement must address improvements, financing, taxes, insurance, maintenance, use and what happens to improvements at the end. New York transfer-tax law can treat creation of a leasehold as a taxable conveyance when the statutory conditions occur together, including a term plus options exceeding 49 years, substantial premises and required capital improvements.

Why it matters

A low base rent can hide large pass-throughs or percentage rent. Compare the total obligation, not the label printed at the top of the lease.

New York scenario

A retailer pays $90,000 annual base rent plus 5 percent of sales above the natural breakpoint. The breakpoint is $1,800,000. At $2,200,000 of sales, percentage rent is 5 percent of $400,000, or $20,000.

Common misconception: Do not multiply all sales by the percentage when the lease applies it only above the breakpoint. Do not assume triple net removes every landlord duty. Read the cost and repair clauses.

Check your recall

What is the natural-breakpoint formula?

Divide annual base rent by the percentage-rent rate written as a decimal.

What is the key difference between a gross and net lease?

A gross structure leaves stated operating costs with the landlord, while a net structure shifts named costs to the tenant in addition to base rent.

What interest does a ground tenant receive?

The tenant receives a leasehold in the land for the term. The landowner keeps the fee interest.

4Escalations, expense stops and pass-throughs

Exam rule

A lease escalation clause adjusts rent or reimbursements during the term. Its purpose is to allocate inflation and rising ownership costs instead of fixing every charge for many years. A fixed increase states the amount or percentage and timing in advance. A CPI clause ties an adjustment to a named Consumer Price Index, base month, comparison month and formula. An expense clause passes through some increase in operating costs. A base-year clause gives the tenant the benefit of operating costs or taxes for a stated year within rent, then charges a proportionate share of increases above that base. An operating or tax stop states a dollar allowance, often per rentable square foot. The tenant pays its share above the stop. A real property tax clause should identify the taxes, base, share, billing evidence, refunds and treatment of assessments. Direct operating may charge a tenant for a cost serving its space. A porter's wage escalation is a traditional office clause tied to changes in a named building-service wage rate or agreement, not necessarily the landlord's exact payroll increase. Proportionate share is commonly the tenant's rentable area divided by the defined building rentable area, but the lease controls the denominator and adjustments. Read exclusions, gross-up rules, caps, floors, audit rights, management fees and whether decreases or refunds produce a credit. Never assume a stop protects the tenant. It usually marks the landlord's included amount, with excess passed through as written.

Why it matters

Escalations can make two equal starting rents produce very different total costs. A useful comparison models each year, each base and each tenant share.

New York scenario

A tenant occupies 8,000 of 80,000 defined rentable square feet, so its share is 10 percent. If covered costs rise $100,000 above the base year, the tenant's pass-through is $10,000 before any cap or excluded item in the lease.

Common misconception: Do not confuse a base year with an expense stop. Both can shift later increases, but one uses actual costs from a named year and the other uses a stated allowance. Do not apply a CPI without the named index and dates.

Check your recall

How does a base-year escalation work?

The starting rent includes the tenant's share of covered costs in the base year. The tenant later pays its stated share of covered increases above that base.

How is a proportionate share commonly calculated?

Divide the tenant's defined rentable area by the building area defined in the lease, then check for exclusions or adjustments.

What must a CPI clause identify?

It should identify the exact index, base and comparison dates, formula, timing and any cap or floor.

5Tenant improvements, concessions and lease comparison

Exam rule

Tenant improvements, or TIs, are the work needed to make leased space usable for the tenant. The building shell is the base structure and systems defined by the lease. A work letter or improvement exhibit should state the plans, approvals, schedule, contractor process, allowance, change orders, payment and completion standard. A TI allowance is money the landlord agrees to provide for covered work. The tenant may pay an overage, and the landlord may recover an amortized allowance through rent. The lease should address ownership, removal and restoration at the end. A concession is an economic benefit such as free rent, reduced rent, moving money or extra improvement dollars. Free rent does not always remove every charge. Confirm whether operating costs, taxes, utilities, parking or TI rent continue. Compare offers by total occupancy cost, not face rent alone. Include base rent, rentable area, escalation, expense pass-throughs, utilities, improvement costs, concessions, commissions, options and likely restoration. Effective rent spreads the net economic rent over the comparison term. Present value discounts payments and benefits to one comparison date because later dollars have a lower present value. Use the discount rate and timing given in the problem. Also test what happens if the tenant leaves early or an allowance remains unused.

Why it matters

A generous allowance can be repaid through higher rent, while a free-rent period may exclude major charges. One schedule of all cash flows makes competing offers understandable.

New York scenario

Offer A charges $200,000 a year with six free months. Offer B charges $185,000 with no free rent but gives $40,000 more TI allowance. The better offer depends on the term, timing, covered work, escalations and pass-throughs, not one headline number.

Common misconception: Do not count a TI allowance and ignore the rent used to repay it. Do not assume free rent means free occupancy. Read which rent components and other charges the concession covers.

Check your recall

What should a TI work letter define?

It should define the work, plans, approvals, schedule, allowance, overages, change orders, payment and completion duties.

Why use present value when comparing leases?

The payments and concessions occur at different times, so present value converts them to one comparison date.

What belongs in total occupancy cost?

Include rent, escalations, pass-throughs, utilities, improvement costs, concessions and other charges or benefits stated in the deal.

6Use, transfer, lender-protection and electric-service clauses

Exam rule

A use clause states what business or activity is allowed. An exclusive-use clause may limit a competing use elsewhere in the property. New York courts read a use limit narrowly. The exact words, parties, dates and notice matter. An assignment generally transfers the tenant's whole remaining lease interest to another party. A sublease transfers less than the whole interest. It may cover part of the space or a shorter term. The first tenant keeps a lease position. Consent and later liability depend on the lease. Subordination places the lease behind a mortgage or other stated lien in priority. Non-disturbance protects a tenant's possession after foreclosure if the tenant meets its duties. Attornment means the tenant accepts the buyer at foreclosure or another successor as the new landlord. An SNDA combines these ideas. New York Real Property Law section 248 says attornment is not needed to make a sale valid. A lease may still require the tenant to sign papers and accept the new owner. An estoppel certificate states lease facts for a buyer or lender. It may cover the term, rent, changes and defaults. A signer may be barred from denying a statement on which the other party relied, so check it with care. Electric service may be direct metered. The utility then measures and bills the tenant. It may be submetered through the owner's master account. It may also be included in rent. The lease must explain the rate, meter, unusual use and later changes.

Why it matters

These clauses decide whether a tenant can operate, transfer the space, remain after foreclosure and challenge a lease fact. The utility method can also change the true cost of occupancy.

New York scenario

A lender asks a tenant to sign an SNDA and estoppel before a building sale. The tenant checks three points. Non-disturbance must protect its space while it is not in default. Attornment must name the new landlord relationship. Each estoppel fact must match the lease.

Common misconception: Subordination alone does not protect the tenant after foreclosure. Non-disturbance does that under its terms. Assignment and sublease are not the same. Check an estoppel against the lease before signing it.

Check your recall

What are the three parts of an SNDA?

Subordination sets lien priority, non-disturbance protects a complying tenant's possession, and attornment makes the tenant recognize the successor landlord.

How does an assignment differ from a sublease?

An assignment generally transfers the tenant's whole remaining interest. A sublease transfers less, while the original tenant keeps a lease position.

What are the three electric-service methods on the syllabus?

Direct meter, submeter and rent inclusion. The lease explains who measures, bills and adjusts the charge.

Scenario lab

See the rules in New York situations

Scenario 1

Risk, return, liquidity, leverage and time value

An investor can buy a building for $1,000,000 in cash or use $250,000 cash and a loan. If NOI is $60,000 and debt service is $40,000, the financed buyer earns $20,000 on $250,000, or 8 percent before tax. The all-cash return is 6 percent. If debt service rises to $52,500, the financed return falls to 3 percent.

What the exam is testing

An investment is judged by the return it may produce and the risk taken to earn it. Risk means uncertainty about income, expenses, value and the ability to sell. Real estate faces market risk, vacancy and credit risk, interest-rate risk, physical and environmental risk, legal risk and liquidity risk. Liquidity is the ability to sell an asset promptly without accepting a major loss or heavy transaction cost. Real property is usually less liquid than a publicly traded security. Rate of return compares an investment's gain or cash flow with the amount invested. Leverage means using borrowed money to control a larger asset with less cash. Equity is the owner's value after debt. Positive leverage occurs when the property earns enough to make the return on equity higher after debt service. Negative leverage occurs when the debt burden pushes that return lower. Debt can also magnify a loss, and the payment remains due during vacancy. Time value of money means a dollar today is worth more than a dollar received later because today's dollar can be invested. Future cash flows must be discounted to compare them with cash paid today. A sound analysis never chooses the highest projected return by itself. It asks what assumptions, debt, timing and risk produced that number.

Scenario 2

Gross rent and gross income multipliers

Three comparable small buildings support monthly GRMs near 100. A subject with $7,000 monthly gross rent has an indicated value near $700,000. The answer is only as sound as the comparable leases and expense patterns.

What the exam is testing

A gross rent multiplier, or GRM, compares sale price with gross rent. GRM equals sale price divided by gross rent. Indicated value equals the subject's gross rent times a supported GRM. A gross income multiplier, or GIM, follows the same idea using the stated gross income figure. Read the problem carefully to see whether it uses monthly rent, annual rent, potential gross income or effective gross income. Keep the numerator and denominator consistent across the comparable and subject. If a comparable sold for $600,000 and its monthly gross rent was $5,000, its monthly GRM is 120. If annual rent is used instead, the annual GRM is 10. Both describe the same sale with different periods. A multiplier is a quick comparison, not a full operating analysis. It does not directly account for different vacancy, taxes, utilities, repairs, management, reserves or lease terms. Use comparable properties with similar expense patterns and confirm the result with a method that considers NOI when the facts permit.

Scenario 3

Use, transfer, lender-protection and electric-service clauses

A lender asks a tenant to sign an SNDA and estoppel before a building sale. The tenant checks three points. Non-disturbance must protect its space while it is not in default. Attornment must name the new landlord relationship. Each estoppel fact must match the lease.

What the exam is testing

A use clause states what business or activity is allowed. An exclusive-use clause may limit a competing use elsewhere in the property. New York courts read a use limit narrowly. The exact words, parties, dates and notice matter. An assignment generally transfers the tenant's whole remaining lease interest to another party. A sublease transfers less than the whole interest. It may cover part of the space or a shorter term. The first tenant keeps a lease position. Consent and later liability depend on the lease. Subordination places the lease behind a mortgage or other stated lien in priority. Non-disturbance protects a tenant's possession after foreclosure if the tenant meets its duties. Attornment means the tenant accepts the buyer at foreclosure or another successor as the new landlord. An SNDA combines these ideas. New York Real Property Law section 248 says attornment is not needed to make a sale valid. A lease may still require the tenant to sign papers and accept the new owner. An estoppel certificate states lease facts for a buyer or lender. It may cover the term, rent, changes and defaults. A signer may be barred from denying a statement on which the other party relied, so check it with care. Electric service may be direct metered. The utility then measures and bills the tenant. It may be submetered through the owner's master account. It may also be included in rent. The lease must explain the rate, meter, unusual use and later changes.

Exam traps

Misconceptions to correct now

1

Risk, return, liquidity, leverage and time value

Leverage is not automatically profitable. Compare the property's return with the full cost and risk of the debt. Also keep cap rate and cash-on-cash return separate. They use different income and different bases.

2

Potential gross income, vacancy and effective gross income

Do not call PGI the rent actually collected. Do not subtract debt service from gross income. First account for vacancy and collection loss, then operating expenses, then financing.

3

Gross rent and gross income multipliers

Do not mix monthly rent with an annual multiplier. Do not confuse a GRM with a cap rate. A multiplier uses gross income, while a cap rate uses NOI.

4

Gross, net, office, retail, percentage, loft and ground leases

Do not multiply all sales by the percentage when the lease applies it only above the breakpoint. Do not assume triple net removes every landlord duty. Read the cost and repair clauses.

5

Use, transfer, lender-protection and electric-service clauses

Subordination alone does not protect the tenant after foreclosure. Non-disturbance does that under its terms. Assignment and sublease are not the same. Check an estoppel against the lease before signing it.

Forms and records

Know what each document does

The exam often gives you a document and asks who uses it, what it proves or when it belongs in the transaction.

Income

Rent roll

Lists tenants, spaces, lease dates, rents, concessions and receivables.

Exam cue: A rent roll is a starting point. Compare it with leases and collections.

Operations

Operating statement

Shows property income and expenses used to derive NOI.

Exam cue: Basic NOI is before debt service and income tax.

Lease

Lease abstract and estoppel certificate

Summarize lease economics and confirm selected lease facts with the tenant.

Exam cue: Read expense pass-throughs, options and concessions before comparing rents.

Due diligence

Environmental report, survey and zoning record

Help test physical, legal and environmental assumptions before investment.

Exam cue: A strong return calculation cannot cure a use restriction or environmental liability.

Worked examples

Practice the reasoning, not just the answer

Worked example 1standard

What makes an investment liquid?

  1. AIt can be sold readily, without a heavy fee to get the money
  2. BIt produces income every month rather than once a year
  3. CIt holds its value even when the wider market falls
  4. DIt can be borrowed against for most of what it is worth

1. Identify

Name the legal, financial or factual issue the question is testing.

2. Apply

Use the controlling rule. Ignore facts that do not change that rule.

3. Conclude

Choose the answer that follows the rule without adding assumptions.

Reveal answer and explanation

A. It can be sold readily, without a heavy fee to get the money

Liquidity is how easily and quickly something can be sold. A liquid investment sells readily, without a heavy fee to get the money out.

Why this choice works: A liquid investment can be sold readily and without paying a hefty fee.

Worked example 2standard

Which statement correctly distinguishes direct meter, sub-meter, and rent-inclusion electric service?

  1. AEach method has the utility bill the tenant directly
  2. BDirect meter bills the tenant through the utility, sub-meter bills measured use through the landlord, and rent inclusion folds electric into rent under the lease formula
  3. CRent inclusion removes electric cost from the rent calculation
  4. DA sub-meter leaves the tenant’s use unmeasured

1. Identify

Name the legal, financial or factual issue the question is testing.

2. Apply

Use the controlling rule. Ignore facts that do not change that rule.

3. Conclude

Choose the answer that follows the rule without adding assumptions.

Reveal answer and explanation

B. Direct meter bills the tenant through the utility, sub-meter bills measured use through the landlord, and rent inclusion folds electric into rent under the lease formula

The three methods differ in who measures and bills electricity. The lease should also address rates, administrative charges, shared loads, and after-hours use.

Why this choice works: The three methods differ in who measures and bills electricity. The lease should also address rates, administrative charges, shared loads, and after-hours use.

Free web sample

5 selected questions from the 200-question mobile bank

Answer one selected question at a time. These web samples are not the complete subject bank. The mobile app contains all 200 questions for Commercial and Investment Properties.

Question 1 of 5

standard
x

As the risk of an investment rises, what do investors generally look for?

Choose the best answer before opening any lesson notes. Your first response is the best measure of recall.

Primary sources

Verify the rule at its source

These are the government, statutory and other authoritative materials cited in the lessons and questions above. Source links were checked as part of the August 26, 2026 review.

Publication 527: Residential Rental Property

Internal Revenue Service

Publication 925: Passive Activity and At-Risk Rules

Internal Revenue Service

Office-to-Residential Conversions in NYC: Economics and Fiscal Estimates

New York City Comptroller

Real Estate Salesperson 77-Hour Curriculum

New York Department of State

Assessor's Manual: Commercial Property Data Collection

New York State Department of Taxation and Finance

Overview of the Assessment Roll

New York State Department of Taxation and Finance

Real Property System Glossary of Terms

New York State Department of Taxation and Finance

Uniform Assessment Standards: Valuation Standards

New York State Department of Taxation and Finance

Valuation Standards

New York State Department of Taxation and Finance

Bremen House, Inc. v Lobosco, 2023 NY Slip Op 01584

New York State Law Reporting Bureau

Ernie Otto Corp. v Inland Southeast Thompson Monticello, LLC, 2012 NY Slip Op 00273

New York State Law Reporting Bureau

Real Property Law 248: Effect of conveyance where property is leased

New York State Senate Open Legislation

Real Property Law 291-f: Rights where recorded mortgage restricts landlord's action in respect to leases

New York State Senate Open Legislation

Real Property Tax Law 581-a: Assessment of residential real property

New York State Senate Open Legislation

Tax Law 1401: Real estate transfer tax definitions

New York State Senate Open Legislation

Global Lease Template L100, May 2026

U.S. General Services Administration

GSA Template 3517B General Clauses, April 2026

U.S. General Services Administration

Leasing Desk Guide Appendix A: Terminology

U.S. General Services Administration

National Business Space Assignment Policy

U.S. General Services Administration

Public Buildings Service Pricing Desk Guide, 5th Edition

U.S. General Services Administration

Investor.gov Glossary: Liquidity (or Marketability)

U.S. Securities and Exchange Commission

Investor.gov: What is Risk?

U.S. Securities and Exchange Commission

Keep practicing

Take this subject into the app.

Use the web guide to understand the rules. Use the mobile question bank to build speed, diagnose weak areas and repeat the material until it sticks.