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Essential Tax Pitfalls Homeowners and Investors Must Avoid Before Selling Property

  • Writer: Monty Iceman
    Monty Iceman
  • Dec 17, 2025
  • 4 min read

Selling property can be a rewarding financial move, but many homeowners and investors overlook critical tax issues that can lead to unexpected costs. Understanding these tax pitfalls before selling helps you keep more of your profit and avoid costly mistakes. This post breaks down the most common tax traps and offers practical advice to navigate them confidently.


Eye-level view of a suburban house with a "For Sale" sign in the front yard
Common tax pitfalls to avoid when selling property

Understanding Capital Gains Tax and Its Impact


One of the biggest tax concerns when selling property is capital gains tax (CGT). This tax applies to the profit made from selling an asset, including real estate. The key is knowing how much gain is taxable and what exemptions or exclusions you can claim.


  • Primary Residence Exclusion

Homeowners can exclude up to $250,000 of capital gains ($500,000 for married couples filing jointly) if the property was their primary residence for at least two of the last five years. Missing this requirement means the entire gain could be taxable.


  • Investment Property Gains

Gains from investment properties do not qualify for the primary residence exclusion. These gains are fully taxable, often at higher rates. Planning ahead to minimize gains through strategies like 1031 exchanges can help defer taxes.


  • Calculating the Gain Correctly

The gain equals the selling price minus the purchase price and allowable costs, such as improvements and selling expenses. Many sellers forget to include these costs, which can reduce taxable gain significantly.


Overlooking Depreciation Recapture


Investors who rented out their property likely claimed depreciation deductions. When selling, the IRS requires recapturing this depreciation, which means paying tax on the amount depreciated, usually at a higher rate than capital gains.


  • What Is Depreciation Recapture?

It is the process of taxing the depreciation deductions taken during ownership as ordinary income, up to a maximum rate of 25%.


  • Example

If you claimed $30,000 in depreciation, you must pay tax on that amount when you sell, even if your overall gain is small.


  • Avoiding Surprises

Consult a tax professional to calculate depreciation recapture before selling. This helps you plan for the tax hit and explore options like 1031 exchanges to defer it.


Ignoring State and Local Taxes


Federal taxes are only part of the picture. Many states and localities impose their own taxes on property sales, which can add up.


  • State Capital Gains Taxes

Some states tax capital gains as ordinary income, while others have specific rates. For example, California taxes gains up to 13.3%, significantly higher than the federal rate.


  • Transfer Taxes and Recording Fees

Local governments may charge transfer taxes or fees when property changes hands. These costs vary widely and can affect your net proceeds.


  • Planning Tip

Research your state and local tax rules early. Factor these costs into your selling price or negotiate with buyers to share some fees.


Missing the Opportunity to Use a 1031 Exchange


Investors can defer capital gains taxes by using a 1031 exchange, which allows swapping one investment property for another without immediate tax consequences.


  • How It Works

You must identify a replacement property within 45 days and close within 180 days. The new property must be of equal or greater value.


  • Benefits

Defers taxes, allowing you to reinvest more capital into your next property.


  • Common Pitfalls

Missing deadlines or not following IRS rules can disqualify the exchange, triggering taxes.


  • Advice

Work with a qualified intermediary and tax advisor to ensure compliance.


Forgetting to Report the Sale Properly


Failing to report the sale or reporting it incorrectly can lead to penalties and interest.


  • Reporting Requirements

You must report the sale on IRS Form 8949 and Schedule D, even if you qualify for the primary residence exclusion.


  • Documentation

Keep records of purchase price, improvements, selling expenses, and depreciation claimed.


  • Example

A seller who excludes gains but does not report the sale may face audits or fines.


Overestimating the Basis of Your Property


The property's basis is its original cost plus improvements. Overestimating this basis reduces taxable gain but can cause problems if audited.


  • Common Mistakes

Including repairs as improvements or inflating improvement costs.


  • Correct Approach

Only capital improvements that add value or extend the property's life count toward basis.


  • Example

Painting walls is a repair, not an improvement. Adding a new roof counts as an improvement.


Not Considering the Impact of Selling Costs


Selling costs reduce your taxable gain but are often overlooked.


  • Include These Costs

Real estate agent commissions, advertising fees, legal fees, and closing costs.


  • Example

If you sell for $400,000 and pay $30,000 in commissions, your taxable gain calculation should subtract that $30,000.


  • Tip

Keep detailed records of all selling expenses.


Overlooking Tax Implications of Selling Inherited Property


Inherited property has special tax rules that can affect gains.


  • Step-Up in Basis

The basis is "stepped up" to the property's fair market value at the date of the previous owner's death, often reducing taxable gain.


  • Selling Soon After Inheritance

If sold quickly, gains may be minimal due to the stepped-up basis.


  • Long-Term Ownership

If the heir holds the property for years, improvements and depreciation affect basis and gain.


  • Advice

Get a professional appraisal at inheritance to establish basis.


Failing to Plan for Estimated Tax Payments


Selling property can trigger a large tax bill. If you don’t plan for estimated tax payments, you may face penalties.


  • When to Pay

Taxes on gains are due with your annual tax return, but large gains may require quarterly estimated payments.


  • Avoiding Penalties

Pay at least 90% of your tax liability during the year or 100% of last year’s tax to avoid underpayment penalties.


  • Tip

Use IRS Form 1040-ES to calculate and submit estimated payments.


Not Consulting a Tax Professional Early


Tax laws are complex and change frequently. Waiting until after the sale to get advice can cost you.


  • Benefits of Early Consultation

Identify tax-saving strategies, avoid pitfalls, and plan timing of sale.


  • Examples of Strategies

Timing sales to offset gains with losses, using 1031 exchanges, or maximizing exclusions.


  • Finding Help

Look for a CPA or tax advisor with real estate experience.


For more info: MontyIceman@aol.com 818 521-2568 TopLARealEstate.com


 
 
 

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