Aurelian tax blog
Is there a limit to how much income an Airbnb can offset?
Yes. A short term rental loss can offset your W-2 income, but only up to a yearly cap. Anything above it is not lost. It carries forward to later years.
The short answer for 2026
Your loss can offset up to $256,000 of W-2 and investment income if you file single, or $512,000 if you file married jointly. Profit from a business you actively run adds to that room. The cap goes up with inflation each year.
Why there is a cap
The rule is called the excess business loss limitation. It is in section 461(l) of the tax code. In 2025 Congress made it permanent. Each year, your losses from all your businesses together can only go past your income from those businesses by a set amount. That amount is the cap above.
A short term rental with an average guest stay of 7 days or less, where you materially participate, counts as a business for this rule. So a big cost seg write-off on it is a business loss, and the cap applies.
W-2 income, business profit and capital gains
- W-2 wages do not count as business income. The law says so directly. So a high salary does not raise your cap. The loss offsets wages only up to the cap.
- Profit from a business you run does count. If you own a business that shows a profit on your return, the rental loss offsets that profit dollar for dollar, plus up to the cap on top.
- Capital gains from investments do not count. Gains on stocks, crypto or funds, plus interest and dividends, sit on the same side as wages. The loss offsets them only within the cap. Gains count as business income only when they come from a business.
Three examples
Married, $1,000,000 of W-2 income, a $1,000,000 property.
With 20% land and 25% reclassified by cost seg, the write-off is about $200,000. That is under the $512,000 cap, so all of it is used this year.
Single, $3,000,000 of W-2 income, a $3,000,000 property.
The write-off is about $600,000. Only $256,000 is used this year. The other $344,000 carries forward.
Married business owner, $1,500,000 of business profit, a $3,000,000 property.
The write-off is about $600,000. Business profit plus the cap gives about $2,012,000 of room, so all of it is used this year.
What carries forward means
The part above the cap becomes a net operating loss. It does not expire. In later years it can offset up to 80% of your taxable income, and the yearly cap does not apply to it again. So the deduction is delayed, not lost.
So can you buy as big a property as you want?
You can, but a bigger property does not mean a bigger write-off this year once you hit the cap. Size the purchase with the cap in mind. Some buyers spread purchases over two tax years. Others are fine carrying the rest forward. Your CPA can run both ways.
Two rules come first
The cap only matters if the loss is not passive. That takes an average guest stay of 7 days or less, counted from actual stays, and material participation. Most owners use the 100 hour test: more than 100 hours and more than any other person, each cleaner included. If you don’t meet a test, the loss is passive and carries forward against passive income instead.
Want to see your own numbers? The Aurelian calculator adds your state and the yearly cap.
Sources
- IRC 461(l), excess business loss: uscode.house.gov
- Rev. Proc. 2025-32, section 4.31 (2026 amounts): irs.gov
- Form 461 instructions (wages, capital gains, carryforward): irs.gov
- 2025 law, section 70601 (made permanent): bill text
- Net operating losses, 80% limit: IRM 4.11.11
- Material participation tests, Treas. Reg. 1.469-5T: ecfr.gov
- 7 day average stay, Treas. Reg. 1.469-1T(e)(3): ecfr.gov
Last checked October 31, 2026.
Educational, not tax advice. Tax rules change and depend on your income, filing status, hours, how the property is used and your state. Nothing here is a promise of any deduction or tax result. BNB Portfolio is not a CPA firm, law firm, real estate broker or lender. We work with licensed agent partners and CPAs.