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Subject 17 of 19

Income Tax Issues in Real Estate Transactions

Federal income-tax concepts that affect ownership and sale, taught for issue recognition rather than personal tax advice.

2 chapters 10 lessons 5 free practice questions

Read the rule, try the recall check, then continue to the next lesson.

Chapter 1

Home sales, rentals and financing

Build basis, amount realized and gain from the ground up. Then apply the main-home exclusion, rental rules, income classes, homeowner deductions and every financing item in the New York outline.

1Basis, adjusted basis, amount realized and gain

Exam rule

Basis measures the owner's investment for tax purposes. A purchase usually starts with cost, plus the settlement items that must be capitalized, and owner's title insurance, recording fees, surveys and certain legal fees can enter basis. Loan charges, prepaid interest and most points do not enter the property's basis, however the closing statement happens to group them. Adjusted basis changes that figure over time. Add lasting capital improvements and certain assessments, then subtract depreciation allowed or allowable and the other required decreases. A repair keeps property in normal condition. It usually does not increase basis. Amount realized is what the seller receives in the disposition. It includes cash, the fair value of other property and debt the buyer takes over. Subtract selling expenses, such as a commission, to reach net amount realized. Realized gain equals amount realized minus adjusted basis. A realized loss reverses those terms. Recognized gain is the part taxed now after any exclusion or deferral. Appreciation is only an increase in market value until a taxable disposition occurs, and it does not raise basis by itself. A loss on a personal home is normally not deductible. Holding property for more than one year generally creates long-term treatment. One year or less is short. Cash flow is money moving in or out. It is not the same as taxable gain.

Why it matters

Every sale, home exclusion and exchange begins with these figures. If basis or amount realized is wrong, every later tax answer will also be wrong.

New York scenario

An investor paid $420,000 for a rental and added a $50,000 roof. Allowed depreciation was $70,000, so adjusted basis is $400,000. The buyer pays $610,000 and assumes $40,000 of debt. The seller pays $35,000 of selling costs. Amount realized is $615,000, and realized gain is $215,000.

Common misconception: Do not use the original price after improvements and depreciation. Do not add market appreciation to basis. Selling expenses reduce amount realized, while qualifying purchase costs may enter basis.

Check your recall

What is the basic gain formula?

Realized gain equals amount realized minus adjusted basis.

Which way do improvements and depreciation move basis?

Capital improvements increase basis. Depreciation allowed or allowable reduces it.

What separates short-term from long-term gain?

More than one year is generally long term. One year or less is short term.

2Main-home gain exclusion and the IRA first-home rule

Exam rule

Section 121 may exclude up to $250,000 of gain on a qualifying main home, and a qualifying joint return may exclude up to $500,000. The seller generally must own and use the home for 24 months during the five years before the sale, and those months do not need to be continuous. For the full joint exclusion, either spouse may meet ownership, but both must meet the use test and neither may fail the look-back rule. That rule generally bars another exclusion during the two years before sale. A work move, health event or unforeseen circumstance can support a reduced exclusion, and the available fraction is the shortest qualifying period divided by two years. Gain linked to depreciation allowed or allowable after May 6, 1997 cannot be excluded. Periods of nonqualified use can also reduce the exclusion. A personal loss on the sale remains nondeductible. The IRA first-home rule is different. It can remove the additional early-distribution tax from up to $10,000 of lifetime distributions. First-time usually means no present ownership interest in a main home during the prior two years. Qualified costs include buying, building or rebuilding a main home, and they can also include reasonable settlement, financing and closing costs. The money generally must be used within 120 days. The benefit can cover a home for the taxpayer, spouse, child, grandchild, parent or other ancestor. The distribution can still create ordinary taxable income. It is not a tax-free down payment.

Why it matters

Students often memorize two dollar caps and miss the tests underneath them. The exam can change one spouse, one month or one prior sale.

New York scenario

A couple sells a Queens home for a $620,000 gain. One spouse meets ownership, and both meet use and look-back. Up to $500,000 may be excluded. The remaining $120,000 stays taxable before any depreciation or nonqualified-use adjustment.

Common misconception: The exclusion is not automatic, unlimited or once in a lifetime. The IRA rule avoids an extra penalty only. It does not erase ordinary income tax.

Check your recall

What are the main-home exclusion limits?

Up to $250,000 for a qualifying taxpayer and $500,000 for a qualifying joint return.

How do the joint-return tests work?

Either spouse may meet ownership. Both must meet use, and neither may fail the look-back rule.

What does the IRA first-home exception actually remove?

It removes the additional early-distribution tax on up to $10,000 over the taxpayer's lifetime.

  • Publication 523: Selling Your Home: Selling Your Home, Eligibility Test; Selling Your Home, Determine whether you meet the ownership requirement; Selling Your Home, Determine whether you meet the residence requirement; Selling Your Home, Determine whether you meet the look-back requirement; Selling Your Home, Does Your Home Qualify for a Partial Exclusion of Gain?; Selling Your Home, Business or Rental Use
  • Publication 590-B: Distributions from Individual Retirement Arrangements: Distributions from Individual Retirement Arrangements, First home; Distributions from Individual Retirement Arrangements, Qualified acquisition costs; Distributions from Individual Retirement Arrangements, First-time homebuyer
  • Real Estate Salesperson 77-Hour Curriculum: Subject 17, Income Tax Issues in Real Estate Transactions, item A
3Second homes, rental income and the tax-world formula

Exam rule

A vacation home does not receive the main-home exclusion merely because the owner calls it a second home. Mortgage interest can still qualify under the second-home rules. A second home never offered for rent can be a qualified home. If it is rented, personal use must exceed the greater of 14 days or 10 percent of the days it was rented at a fair rent. A dwelling used as a home and rented fewer than 15 days gets special treatment, because the owner generally does not report that rent or deduct rental expenses. Mixed personal and rental use requires a reasonable allocation. Rental receipts can include advance rent, cancellation payments and property or services received instead of cash. A refundable security deposit is not income when the owner expects to return it. Rental real estate is generally passive, even when the owner makes management decisions. Wages and business earnings are active, while interest and dividends are portfolio income. Passive losses usually offset passive income. Active participation may allow up to $25,000 of rental loss against nonpassive income, and that allowance generally phases out between $100,000 and $150,000 of modified adjusted gross income. At-risk rules come first. A real estate professional also needs material participation before a rental becomes nonpassive. Use this simplified tax-world formula for operations. Taxable rental income equals rents and other income minus deductible expenses, mortgage interest and depreciation. Multiply positive taxable income by the supplied marginal rate when an exam asks for federal tax. Cash flow uses actual receipts and cash expenses instead. Mortgage principal reduces cash but is not a deduction. Depreciation reduces taxable income without a current cash payment. That difference can create a tax shelter, subject to loss limits.

Why it matters

The same property can produce cash and report a tax loss. Keeping the cash world separate from the tax world prevents the most common investment error.

New York scenario

A rental collects $120,000. Operating expenses are $45,000, interest is $20,000 and depreciation is $15,000. Taxable operating income is $40,000. At a supplied 24 percent rate, federal tax is $9,600 before other limits or items.

Common misconception: Do not subtract total debt service in the tax formula. Only qualifying interest is deducted there. Principal belongs in cash flow, while depreciation belongs in taxable income.

Check your recall

What are the three income classes in the syllabus?

Active, passive and portfolio income.

What is the simplified taxable rental-income formula?

Rental income minus deductible expenses, mortgage interest and depreciation.

When is a rented second home a qualified home?

Personal use must exceed the greater of 14 days or 10 percent of fair-rental days.

  • Publication 936: Home Mortgage Interest Deduction: Home Mortgage Interest Deduction, Qualified Home; Home Mortgage Interest Deduction, Second home
  • Publication 527: Residential Rental Property: Residential Rental Property, Rental Income and Expenses; Residential Rental Property, Personal Use of Dwelling Unit; Residential Rental Property, Limits on Rental Losses; Residential Rental Property, Exception for Rental Real Estate With Active Participation; Residential Rental Property, Maximum special allowance
  • Publication 925: Passive Activity and At-Risk Rules: Passive Activity and At-Risk Rules, Passive Activity Income; Passive Activity and At-Risk Rules, Portfolio income; Passive Activity and At-Risk Rules, Activities That Aren’t Passive Activities; Passive Activity and At-Risk Rules, Material participation; Passive Activity and At-Risk Rules, Active participation
  • Real Estate Salesperson 77-Hour Curriculum: Subject 17, Income Tax Issues in Real Estate Transactions, item A
4Property tax, mortgage interest, points and closing costs

Exam rule

A homeowner must itemize to claim personal real-property tax and qualified home-mortgage interest. The 2026 federal SALT cap is $40,400, or $20,200 for married filing separately. It covers state and local income or sales tax, real-property tax and personal-property tax together, and the cap begins shrinking above $505,000 of modified adjusted gross income. The threshold is $252,500 for married filing separately. It cannot fall below $10,000, or $5,000 for married filing separately. Deduct only tax actually paid to the taxing authority, including amounts paid from escrow, because a charge for a specific service or local benefit is generally not deductible as real-property tax. Qualified mortgage interest requires secured debt on a qualified home with an ownership interest. Home-acquisition debt must buy, build or substantially improve the home securing the loan. Debt after December 15, 2017 generally uses a $750,000 cap, and the married-filing-separately cap is $375,000. Earlier acquisition debt generally keeps the $1 million or $500,000 limit. These post-2017 limits continue after 2025. Public Law 119-21 is the federal tax law behind them, and it passed on July 4, 2025. A refinance keeps acquisition treatment only up to the old principal, and extra proceeds qualify only when they meet the secured-home use test. The same rule controls home-equity loans and improvement loans. A home under construction can qualify for up to 24 months when the finished home will qualify. Beginning in 2026, the election to deduct qualified mortgage-insurance premiums is permanent. The insurance contract must have been issued after December 31, 2006. The premiums must relate to home acquisition debt. That debt must be secured by a first or second home. Points are prepaid interest. Purchase points may be deducted in the year paid, but only when every IRS condition is met. Refinance points are generally spread over the new loan term. A qualifying improvement portion can receive different treatment. A true prepayment penalty can be interest if it is not payment for a service or loan cost. Closing costs need sorting. Certain title, legal, recording, survey and transfer costs enter basis. Loan origination charges, lender appraisal fees and credit-report fees generally do not. Deductibility always depends on the tax year and the taxpayer's facts.

Why it matters

A closing statement mixes three kinds of costs. Some are deductions, some change basis, and some are personal. Classify each cost before choosing its treatment.

New York scenario

A buyer takes a $900,000 acquisition mortgage in 2026. The debt exceeds the $750,000 general cap. If all other rules are met, five sixths of the interest relates to debt within that cap.

Common misconception: Paying money through escrow does not prove a deduction. Points are not automatically deductible at once. Cash-out interest follows how the extra proceeds were used.

Check your recall

What is the general post-2017 acquisition-debt cap?

$750,000, or $375,000 for married filing separately.

How are refinance points usually deducted?

Ratable over the term of the new loan.

What is the 2026 SALT cap?

$40,400, or $20,200 for married filing separately, before the income-based reduction.

  • Publication 936: Home Mortgage Interest Deduction: Home Mortgage Interest Deduction, Fully deductible interest; Home Mortgage Interest Deduction, Home Acquisition Debt; Home Mortgage Interest Deduction, Home equity loan interest; Home Mortgage Interest Deduction, Home under construction; Home Mortgage Interest Deduction, Points; Home Mortgage Interest Deduction, Deduction Allowed Ratably; Home Mortgage Interest Deduction, Deduction Allowed in Year Paid; Home Mortgage Interest Deduction, Mortgage prepayment penalty
  • Publication 505 (2026): Tax Withholding and Estimated Tax: Tax Withholding and Estimated Tax, State and local tax deduction increased; Tax Withholding and Estimated Tax, Mortgage insurance premiums
  • Publication 530 (2025): Tax Information for Homeowners: Tax Information for Homeowners, State and Local Real Estate Taxes; Tax Information for Homeowners, Deductible Real Estate Taxes; Tax Information for Homeowners, Cost as Basis; Tax Information for Homeowners, Settlement or closing costs; Tax Information for Homeowners, Points
  • Real Estate Salesperson 77-Hour Curriculum: Subject 17, Income Tax Issues in Real Estate Transactions, item A
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