When I was buying houses on the cash side, the first thing I learned about senior sellers was that almost none of them had run the tax math on the sale.
Most had owned the house for 30 or 40 years. They bought it for $60,000, watched it climb to $600,000, and assumed the whole gain was theirs. By the time anyone mentioned capital gains, the contract was already signed and the tax pro was breaking news that should have been broken six months earlier.
That gap, between what families think a senior home sale will net and what it actually nets after taxes, is bigger in 2026 than it has been at any point in the last 30 years. The reason is simple. The federal exclusion on capital gains from a primary home sale has not moved since 1997.
The Cap That Didn't Move
The current rule is straightforward. When you sell your primary home, the first $250,000 of gain is excluded from federal capital gains tax. If you are married and file jointly, the exclusion is $500,000. You have to have owned and lived in the home as your primary residence for at least 24 months out of the 5 years leading up to the sale.
The Internal Revenue Service published this rule in 1997 as part of the Taxpayer Relief Act. The numbers have never been adjusted. Not for inflation, not for the housing market, not for anything.
For comparison, the federal estate tax exemption has been adjusted dozens of times since 1997. The standard deduction adjusts automatically. Social Security benefits adjust automatically. Almost every other dollar threshold in the federal tax code that touches consumer life has some form of inflation indexing built in.
The home sale exclusion does not. Same number. Year after year.
What Inflation Did to the Cap
Consumer price inflation since 1997 has been roughly 100 percent. The dollar in 2026 buys about half of what it bought in 1997. If the home sale exclusion had been indexed to inflation when it was written, the current caps would be approximately $500,000 single and $1 million married.
Housing inflation has been even more aggressive. The national median existing home price has more than tripled since 1997. In a long list of markets, including most of California, the Northeast, the Mountain West, and the major Southern metros, prices have quadrupled or more.
That combination, a frozen exclusion plus aggressive home price appreciation, has produced a specific kind of taxpayer the 1997 rule was never designed to catch.
Who Gets Hit
Take a typical example. A couple bought their house in 1985 for $90,000. They are now in their late 70s. They are ready to downsize. The house is worth $720,000.
Their capital gain is $630,000. If they are married, they exclude $500,000 and pay capital gains tax on $130,000. Depending on their other income and state of residence, that bill can land between $20,000 and $35,000.
If one of them has died and the surviving spouse is selling within two years, the exclusion is still $500,000 because the IRS allows the joint exclusion in that window. Outside that window, the exclusion drops to $250,000 single and the taxable gain jumps to $380,000. The tax bill can exceed $70,000.
According to data cited in the bipartisan More Homes on the Market Act, approximately 1.9 million senior homeowners are currently sitting on gains that already exceed the existing cap. Another 1.4 million sit between the current cap and where an inflation-adjusted cap would be. That is over 3 million households facing a tax bill at sale that earlier generations never saw.
The "Lock-In" Effect
What happens when seniors face a five-figure or six-figure tax bill just for selling? A lot of them stop selling.
This is called the lock-in effect. Economists at the American Enterprise Institute, the Federal Reserve, and the Tax Policy Center have all documented it. When the tax cost of selling exceeds the inconvenience cost of staying, seniors stay. They age in a house that is too big, too old, and increasingly unsafe for them.
That has knock-on effects on the whole housing market. Inventory dries up. First-time buyers can't find starter homes because the seniors who own them can't afford to sell. The U.S. housing market is currently down millions of homes against the demand curve, and the National Association of Realtors estimates that a meaningful portion of the gap is driven by senior homeowners who refuse to sell because of the tax bill at the end.
In other words, the 1997 cap is now actively hurting the people it was written to help.
What's Moving in Congress
The bipartisan fix is the More Homes on the Market Act, introduced as H.R.1340 in the House and S.3332 in the Senate. It would double the exclusion to $500,000 single and $1 million married, and it would index the new caps annually for inflation going forward, so this exact problem cannot happen again.
The bill has 94 cosponsors in the House, including 58 Democrats and 36 Republicans. It is sitting in the House Ways and Means Committee. As of late May 2026, no markup is scheduled.
A second bill, the No Tax on Home Sales Act, has also been introduced. It would eliminate capital gains tax on primary home sales entirely. That bill is more aggressive and has fewer cosponsors.
Neither bill has cleared committee. The tax break could move this year if a larger tax package picks one of them up. It could also keep sitting. Senior sellers planning a 2026 transition should not assume relief is coming.
What Families Can Actually Do
If your parents are within 12 months of selling, here is what to do right now. Most of this is from Module 04 and Module 05 of the Senior Transition Blueprint, and you can pull the same checklist from the free Simple Blueprint.
Pull every capital improvement receipt
Cost basis matters more than people realize. Capital improvements add to the original purchase price and shrink the taxable gain. Roof replacements, kitchen remodels, bathroom renovations, HVAC systems, additions, decks, fences, capitalized landscaping, foundation work, and major plumbing or electrical upgrades all count.
If your parents have owned the house for 40 years, you are looking for 40 years of receipts. Bank statements, credit card records, contractor invoices, permits pulled, anything with a dollar amount tied to a capital improvement. Even rough records, properly documented, are better than no records.
A house that has had $180,000 of documented capital improvements over the years has a higher cost basis. That shrinks the taxable gain by $180,000. At a 20 percent federal rate, that is $36,000 of tax saved.
Time the sale year against other income
Capital gains tax brackets are tied to total taxable income for the year. A senior who has retirement income at the low end of the bracket pays a lower rate on the gain than one who took a big IRA distribution that same year.
If your parents have flexibility on when to sell, run the math against expected Social Security, pension, IRA distributions, and Roth conversions. A January closing vs. a December closing of the same calendar year can move the federal tax rate from 0 percent to 15 percent on the same gain.
Use the Net Proceeds Calculator before listing
The biggest surprise in every senior home sale is the gap between the listed price and the check at closing. Agent commission, title fees, repair credits, loan payoff, prorated taxes, and capital gains all eat into the proceeds. The free calculator walks through every line. Two minutes.
Get a tax pro involved 6 months early
Most families call a tax accountant after the sale closes. By then, every planning opportunity is gone. The sale should be scoped with a tax professional 6 to 12 months before listing, especially if any of the following are true.
Your parents have owned the home for 25 years or more. They are in a market where prices have appreciated significantly. One spouse has died within the last 2 years. There are any home office, rental use, or Section 121 partial-disqualification questions.
The tax pro doesn't have to be expensive. A two-hour consultation with a CPA who specializes in senior real estate can save five figures.
Don't let the tax bill push them into the wrong sale
This is the one I see most often. The tax math scares the family into accepting a low cash offer because "at least it's done." That's almost never the right move. The tax bill is what it is. Selling for $80,000 less than the home is worth to avoid a $20,000 tax bill is a $60,000 mistake.
If the right answer is to list with an agent and do the work, do the work. If the right answer is owner financing or a strategic exit to spread the gain over multiple tax years, do that. Run the math on every option before letting urgency drive the decision. The Strategic Exit Engine walks through all seven sale paths.
A Note on the Politics
The capital gains cap is a tax policy issue with bipartisan support, but it is sitting in a Ways and Means Committee that has dozens of competing priorities. Both Republican and Democratic members have cosponsored the More Homes on the Market Act. Both real estate industry associations and senior advocacy groups support it.
What's blocking it is not opposition. What's blocking it is bandwidth. Tax legislation moves in big packages. The fix to the home sale cap will move when it gets folded into a larger bill, and that timing is unpredictable.
For families planning a 2026 sale, the right answer is to assume nothing changes and plan accordingly. If the law improves before closing, that is a windfall. If it doesn't, you are still positioned to net the most possible.
Frequently Asked Questions
What is the capital gains exclusion on a home sale in 2026?
The federal exclusion is $250,000 of gain for a single seller and $500,000 of gain for married couples filing jointly, assuming the home was your primary residence for at least 24 months out of the 5 years prior to sale. These caps have not been adjusted since 1997.
Is there a special capital gains exclusion for seniors?
No. The old "over-55 home sale exemption" was repealed in 1997 and replaced with the current $250,000 / $500,000 rule that applies to homeowners of all ages. Some states have additional protections, but at the federal level, there is no senior-specific exclusion.
How can I prove cost basis on a home owned for 30 or 40 years?
The IRS allows reasonable substantiation, not perfection. Receipts are best. Bank statements and credit card statements showing payments to contractors are next best. Building permits pulled, contractor sworn statements, and even photos of completed work with dates are accepted. A tax pro who specializes in real estate can help reconstruct basis from imperfect records.
What is the More Homes on the Market Act?
It is a bipartisan bill in Congress, H.R.1340 in the House and S.3332 in the Senate, that would double the home sale capital gains exclusion to $500,000 single and $1 million married, and index it annually for inflation. As of late May 2026, the bill has 94 House cosponsors and remains in the House Ways and Means Committee.
Does the capital gains tax apply if I'm selling a parent's home after they've died?
It depends on whether you inherited the home or whether you were a co-owner. If you inherited the home at death, your cost basis is the fair market value on the date of death (called a "stepped-up basis"), which usually eliminates most or all of the gain on a quick sale. If your parent transferred title to you while alive, you generally inherit their original cost basis, and the gain can be substantial. This is a meaningful enough difference that families should consult an estate planning attorney before any title transfers.
About Ryan Riggins
Ryan Riggins is a senior transition advisor and former house flipper. After 8+ years buying homes from families in transition, he walked away from the cash-buyer side to help families avoid the $50K mistakes he used to profit from. Based in Greensboro, NC. NC Real Estate License #361546, eXp Realty. Founder of Riggins Strategic Solutions and the SeniorSafe app.
Want to run the real math on what your parents will net? The free Net Proceeds Calculator does it in two minutes. No email gate.
Want a step-by-step guide? The free Simple Blueprint walks through every stage of a senior transition: rigginsstrategicsolutions.com/freeguide
Ready for the full system? Senior Transition Blueprint Core, 19 modules and 60+ tools: rigginsstrategicsolutions.com/the-blueprint
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Coordinate your family in one place. SeniorSafe app (web, iPhone, Android): app.seniorsafeapp.com
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Ryan Riggins is the founder of Riggins Strategic Solutions, a consumer protection company for families navigating senior transitions. He spent 8 years in construction project management and house flipping before switching sides. Two books on Amazon. Free resources at rigginsstrategicsolutions.com.
