How to Avoid or Reduce Capital Gains Tax When Selling Your House in Texas

Mark Buskuhl
17 hours ago
3 min read

Capital gains tax is one of the most misunderstood aspects of selling a home. Many homeowners either panic unnecessarily about a tax bill they won't actually face, or they miss strategies that could legally reduce what they owe.

This guide covers the main legal strategies for Texas homeowners. It's general information — consult a CPA for advice specific to your situation.

Strategy 1: The Primary Residence Exclusion

Under IRS Section 121, if the home being sold was your primary residence for at least 2 of the last 5 years, you can exclude:

Up to $250,000 of profit from capital gains tax (single filers)
Up to $500,000 of profit (married filing jointly)

This is the most powerful and most commonly applicable strategy for Texas homeowners. If your home has appreciated less than these thresholds since you bought it, you likely owe nothing in federal capital gains.

Key rules to be aware of:

You must have owned AND used the home as your primary residence for 2 of the 5 years before the sale (they don't need to be consecutive)
You can only use this exclusion once every 2 years
Partial exclusions may be available if you don't meet the full 2-year rule due to certain hardship circumstances (job relocation, health issues, unforeseen events)

Strategy 2: Track Your Cost Basis Accurately

Your taxable gain is calculated on the difference between your sale price and your adjusted cost basis — not just your original purchase price. Your adjusted cost basis includes:

Original purchase price
Closing costs you paid when buying
Capital improvements made during ownership (new roof, addition, HVAC replacement, kitchen remodel — not repairs, but genuine improvements)
Selling costs (realtor commissions, closing costs paid at sale)

Many homeowners significantly underestimate their cost basis because they don't track improvements over the years. If you've been in your home for 10+ years and made meaningful capital improvements, these additions to your basis reduce your taxable gain dollar for dollar.

Strategy 3: 1031 Exchange (Investment Properties)

If the property being sold is an investment property rather than your primary residence, a 1031 exchange allows you to defer capital gains tax by reinvesting the proceeds into a like-kind investment property.

Strict rules apply:

You must identify a replacement property within 45 days of the sale
You must close on the replacement property within 180 days
The exchange must be handled through a qualified intermediary
The replacement property must be of equal or greater value

A 1031 exchange defers tax — it doesn't eliminate it. But deferring indefinitely through successive exchanges is a legitimate long-term wealth-building strategy.

Strategy 4: Sell in a Low-Income Year

Federal long-term capital gains tax rates are 0% for taxpayers in the lower income brackets. If you expect a year with significantly lower income (retirement, career change, extended leave), selling in that year may result in zero federal capital gains tax even if you don't qualify for the full primary residence exclusion.

This requires forward planning, but it's a legitimate and legal strategy.

Texas's Tax Advantage

Unlike California, New York, and many other states, Texas has no state income tax and no state capital gains tax. Your entire capital gains exposure is federal. This is a meaningful advantage compared to selling in most other states.

If you're trying to understand what taxes might apply to your specific sale situation, our post on whether you'll owe taxes if you sell your house fast in Dallas covers the primary residence rules in more detail.