Do you owe capital gains tax when you sell your home in Texas?
Most homeowners selling a primary residence in Texas owe nothing in capital gains tax, because the federal home sale exclusion lets a married couple filing jointly exclude up to $500,000 in gains ($250,000 for single filers), and Texas has no separate state capital gains tax on top of that. You qualify if you owned and lived in the home for at least two of the last five years. The people who do owe something are usually long-tenured owners in fast-appreciating markets like Flower Mound, Southlake, and Argyle, where years of appreciation can push gains past the exclusion.
By Brian White | July 9, 2026
I get some version of this question from almost every seller who's owned their home more than five or six years: "How much am I going to lose to taxes on this sale?" Usually the honest answer is close to nothing. Here's the actual math, and who should actually be paying attention.
The exclusion that covers most sellers
If you've owned and lived in your home as your primary residence for at least two of the five years before the sale, you can exclude up to $250,000 of gain if you file single, or $500,000 if you're married filing jointly. That's not a deduction, it's an exclusion. Gain up to that amount simply isn't taxed.
You don't have to reinvest the proceeds into a more expensive home to qualify. That was a real rule decades ago, but it hasn't been the law since 1997. You can sell, take the exclusion, and do whatever you want with the money, whether that's buying up, buying down, or not buying at all.
The two years of ownership and use don't have to be one continuous stretch. They can add up across the five-year window, which matters if you rented the home out for a period or lived elsewhere temporarily.
You also can't use the exclusion twice in a short window. If you already excluded gain on a different home sale within the two years before this one, you don't qualify again until that two-year window resets.
Texas has no state capital gains tax
Texas doesn't levy a state income tax, and it doesn't have a separate state-level capital gains tax either. Whatever you owe on a home sale is a federal question only. That's a real advantage compared to states that tax capital gains as ordinary income on top of the federal bill.
That doesn't mean selling in Texas is entirely tax-free if you exceed the exclusion. It means there's one fewer layer to calculate, not zero layers.
Who actually ends up owing something
This is where it gets relevant for a lot of families I work with. Flower Mound, Southlake, and Argyle have all seen real, sustained appreciation over the past several years. A homeowner who bought 10 or 15 years ago, before the corridor's biggest growth, can be sitting on gains well past $500,000, especially on larger lots or homes that have had significant additions or renovations since purchase.
Here's roughly how the math works:
- Start with your sale price.
- Subtract your original purchase price, plus qualifying improvements (a new roof, a major remodel, an addition, not routine maintenance or repairs).
- Subtract selling costs — agent commissions, title fees, and other transaction costs.
- That's your gain. Subtract $250,000 (single) or $500,000 (married filing jointly) if you meet the ownership and use test.
- Whatever's left is potentially taxable at federal long-term capital gains rates, which depend on your overall income for the year.
A couple who bought a Flower Mound home for $450,000 fifteen years ago and sells today for $1.3 million, after $150,000 in documented improvements and $80,000 in selling costs, has roughly $620,000 in gain before the exclusion. After the $500,000 married exclusion, about $120,000 remains potentially taxable. That's a meaningfully different conversation than "I owe nothing," and it's exactly the kind of number worth running before you list, not after you close.
What actually reduces your taxable gain
Improvements matter more than most sellers realize, and a lot of legitimate ones get forgotten by the time you're ready to sell. Keep records (or reconstruct them) for:
- Additions or structural changes
- Kitchen and bathroom remodels
- New roof, HVAC systems, or major mechanical replacements
- Pool installation or major landscaping structures
- Energy efficiency upgrades
Routine repairs and maintenance, like repainting or fixing a leak, don't count. The distinction between a capital improvement and a repair isn't always obvious, and it's worth a real conversation with a tax professional rather than guessing.
I'm not a tax advisor, and this isn't tax advice. Every situation depends on your specific numbers, your filing status, and years you may have used the home for something other than a primary residence. If you're within range of the exclusion threshold, it's worth running the actual numbers with a CPA before you list, so pricing and timing decisions are made with the full picture, not a rough guess.
Frequently Asked Questions
Do I have to buy a more expensive home to avoid capital gains tax?
No. That reinvestment requirement hasn't been the law since 1997. You can take the $250,000/$500,000 exclusion regardless of whether you buy another home, downsize, or don't buy at all.
Does Texas charge its own capital gains tax on top of the federal one?
No. Texas has no state income tax and no separate state capital gains tax. Any tax owed on a home sale gain is a federal question only.
What counts as an improvement I can add to my cost basis?
Additions, remodels, new roofs or major systems, pool installations, and similar structural or permanent upgrades generally count. Routine repairs and maintenance, like painting or fixing a leaky faucet, generally do not.
How do I know if I'll owe capital gains tax when I sell?
Take your expected sale price, subtract your original purchase price plus qualifying improvements and selling costs, then subtract your exclusion ($250,000 single, $500,000 married filing jointly). If what's left is positive, that portion may be taxable. A CPA can confirm your exact number.
I've owned my Flower Mound or Southlake home for over a decade. Should I be concerned?
It's worth checking. Long ownership in a fast-appreciating market is exactly the profile most likely to exceed the exclusion. Running the numbers before you list gives you time to plan, rather than finding out after closing.
If you're not sure where your numbers land, or want to think through timing and pricing with the full picture in view, schedule a free Move-Up Strategy Call. Thirty minutes, no pitch, just a clear-headed look at where you are and what your best next move looks like.
About Brian White
Brian White helps families in Northwest DFW make their move-up cleanly, selling and buying in one synchronized step. He built BlueFuse Group on a simple standard: other-first service, proactive at every turn, faith and excellence in equal measure. Brian has been married to Tisha for 27 years and is dad to three adult sons. When he's not protecting a family's equity or untangling a tight closing timeline, you'll find him chasing a round of golf or at Valley Creek Church.
Schedule a Move-Up Strategy Call — no pitch, just a clear-headed look at your next move.
