Do You Owe Capital Gains Tax When You Sell an Inherited House?

3 min read · Last updated 2026-08-03 · Reviewed by Joseph Mena, CFO of Cash Flow Deals.

Most people who sell an inherited house owe little or no federal capital gains tax. The IRS resets the home's tax basis to its fair market value on the date the original owner died, a rule called step-up in basis. Tax applies only to gain above that reset value, not the original purchase price. With Cash Flow Deals, you choose between the Fast Cash Offer, where we buy your house as-is and close, and the Premium Cash Offer, where a pre-approved FHA or conventional buyer we already have, ready to go, pays more and buys directly from you.

Factor	Traditional Route	Cash Flow Deals
Repairs before selling	Heir often pays for repairs and updates before listing	For your Fast Cash Offer or Premium Cash Offer, the number is agreed before any work starts, and it changes only if you agree. The one exception: if something structural surfaces that was not visible or disclosed before we signed — foundation issues, hidden moisture, old wiring, cast-iron drain failure — we re-cost it and bring the number back to you. You decide. You can walk away. We disclose what we know at offer time so this almost never happens.
Timeline to close	Weeks to months of showings and negotiations	Fast Cash Offer: 30 business days. Premium Cash Offer: 45 to 60 business days. You help pick the date.
Who pays the fee	Commission negotiated separately, per the 2024 NAR Sitzer/Burnett settlement (effective August 17, 2024)	Paid as a separate line item on the closing statement, not a markup on price

How Step-Up in Basis Resets the Tax Math

The IRS does not tax an inherited house based on what the original owner paid for it decades ago. Under federal tax law, the home's basis resets to its fair market value on the date the original owner died. This is called step-up in basis, and it applies automatically, without any paperwork filed at the time of death. If a parent bought a house for $40,000 in 1985 and it was worth $380,000 the day they died, $380,000 becomes the new basis for the heir who inherits it. Selling at $380,000 produces no taxable gain at all.

What Counts as Taxable Gain on an Inherited House

Taxable gain is the sale price minus the stepped-up basis minus qualifying selling costs like commissions, transfer taxes, and closing fees. If the stepped-up basis is $380,000 and the house sells for $400,000 after $20,000 in selling costs, taxable gain is zero. If it sells for $430,000 after the same costs, taxable gain is $30,000, and federal long-term capital gains rates of 0%, 15%, or 20% apply depending on the seller's income. Most heirs sell close to the stepped-up value, since that value was typically set by a recent appraisal or the local market at the time of death, which is why most inherited-house sales generate little or no federal tax.

Inherited Property Gets Long-Term Treatment Automatically

Federal tax law treats property acquired through inheritance as held long-term, even if the heir sells it the same week they receive it. This matters because long-term capital gains rates of 0%, 15%, or 20% are almost always lower than short-term rates, which are taxed as ordinary income. An heir does not need to hold the house for a year to get the long-term rate. This rule exists specifically for inherited property and does not apply to property an heir buys on their own.

State Estate and Inheritance Taxes Are a Separate Question

Federal capital gains tax is only one piece of the picture. A small number of states charge their own estate tax or inheritance tax, separate from the federal step-up in basis rule described here, and the rules on who owes what vary significantly by state. Anyone selling an inherited house should confirm the specific state and county requirements with a licensed local attorney or CPA before assuming the federal rule is the whole story.

Selling an Inherited House Fast: Cash Flow Deals as One Option

If you inherit a house, you may want to sell quickly, especially if it sits empty, needs repairs, or is being split among siblings. With Cash Flow Deals, you choose between the Fast Cash Offer, where we buy your house as-is and close, and the Premium Cash Offer, where a pre-approved FHA or conventional buyer we already have, ready to go, pays more and buys directly from you. We cover repair costs, and we figure out a way, so nothing comes out of your pocket. With Premium, only what the buyer's lender requires gets fixed, with costs settled from the sale proceeds from our share; with Fast Cash, you sell as-is without making repairs. The number is agreed before any work starts, and it changes only if you agree. The one exception: if something structural surfaces that was not visible or disclosed before we signed — foundation issues, hidden moisture, old wiring, cast-iron drain failure — we re-cost it and bring the number back to you. You decide. You can walk away. We disclose what we know at offer time so this almost never happens. If the buyer's loan falls through, that is our problem, not yours: you can still choose the Fast Cash Offer at its own number instead of the Premium Cash Offer. You can compare both options while working through the estate, the tax return, and decisions with other heirs.

Reporting the Sale on a Federal Tax Return

A sale of an inherited house is reported on Schedule D and Form 8949 with the individual federal income tax return for the year of the sale, using the stepped-up basis as the cost basis. Some inherited property sales also require Form 1099-S from the closing agent. A CPA or tax preparer can confirm exactly which forms apply to a specific estate and sale.

Common questions

Do I owe capital gains tax on the full sale price of an inherited house?

No. Tax applies only to the amount the sale price exceeds the stepped-up basis, which is the home's fair market value on the date the original owner died, not the amount anyone originally paid for it.

Is inherited property always taxed as long-term capital gains?

Yes. Federal tax law treats inherited property as long-term regardless of how long the heir actually owns it before selling, which usually means a lower tax rate than short-term gains.

What if I sell the inherited house for less than its stepped-up value?

Selling below the stepped-up basis produces a capital loss rather than a gain. Personal-use property losses generally are not deductible, so an heir should confirm the specific treatment with a CPA before assuming a refund is coming.

Does Cash Flow Deals change how my capital gains are calculated?

No. The stepped-up basis and the sale price determine the tax math regardless of who buys the house or how the sale is arranged. Cash Flow Deals affects the net price and process, not the federal tax formula.

Do state estate taxes work the same way as the federal step-up in basis rule?

No. A handful of states apply their own estate or inheritance tax with separate rules and thresholds. Confirm the specific requirements in the property's state with a licensed local attorney.