The Short-Term Rental Tax Strategy: Using Rental Losses Against W-2 Income

The "short-term rental loophole" is one of the most talked-about tax strategies for high earners who invest in real estate. It is not a loophole at all. It comes from how the passive activity rules define a rental. Used correctly, it lets losses from a vacation rental, often created by cost segregation and bonus depreciation, offset wages and business income. Used carelessly, it is a common audit target.

Why rental losses are usually stuck

Rental real estate is normally a passive activity. Losses from passive activities can only offset passive income, so for most high earners a depreciation loss on a rental just carries forward. The two usual ways out are real estate professional status, which requires more than 750 hours a year in real estate and more time in real estate than in any other job, or having income low enough for the $25,000 allowance, which phases out completely at $150,000 of modified AGI.

The short-term rental exception

Under the passive activity regulations, a property is not treated as a rental activity if the average period of customer use is seven days or less. A typical Airbnb or Vrbo property with short guest stays meets that test.

That does not make the losses non-passive by itself. It means the property is treated like any other business, so the question becomes whether you materially participate. If you do, losses from the property are non-passive and can offset your other income, even if you work full time in another field and do not qualify as a real estate professional.

Meeting material participation

The tests most short-term rental owners rely on are:

• More than 500 hours in the activity during the year, or
• More than 100 hours, and at least as much as anyone else, including cleaners, property managers, and contractors, or
• Substantially all of the participation in the activity.

Investor-type work, such as reviewing statements, does not count. Guest communication, cleaning turnovers, maintenance, purchasing supplies, managing bookings, and handling repairs do. A property run by a full-service manager rarely qualifies, because the manager's hours usually exceed yours.

Where cost segregation fits

A cost segregation study breaks the building into parts with shorter lives, such as furniture, fixtures, appliances, and site improvements. Those parts can be written off right away with 100% bonus depreciation, which is permanent for property acquired after January 19, 2025. Furnished short-term rentals tend to have a large share of short-life property.

For example, an investor buys a furnished mountain property for $900,000, of which $750,000 is building. A cost segregation study allocates $210,000 to 5-, 7-, and 15-year property. With bonus depreciation and normal depreciation on the rest, the first-year deduction could be about $220,000. If the investor materially participates and the average stay is under seven days, that loss can offset W-2 or business income in the same year.

Records that win audits

• A contemporaneous time log with dates, tasks, and hours, kept during the year
• Records of everyone else's hours, including invoices from cleaners and managers
• Booking platform reports showing each stay's length, to prove the seven-day average
• Personal use days, which can turn the property into a residence and limit deductions

Things to watch

• Recapture on sale. Accelerated depreciation is recaptured when you sell, and part of it can be taxed as ordinary income. A 1031 exchange can defer it.
• The test is applied each year. A year with longer stays or less of your time can make the losses passive again.
• State rules. Some states do not follow federal bonus depreciation, so the state benefit may be much smaller.
• Local rules. Lodging taxes and short-term rental permits apply in many cities and counties.

OICPA's real estate tax team reviews whether a property qualifies, and our cost segregation coordination team works with engineering firms to size and document the study. For more on the depreciation side, see when cost segregation makes sense.

Frequently asked questions

Does my spouse's time count toward material participation?

Yes. For material participation, a spouse's hours are combined with yours, even if the spouse is not on the title.

Can I use a property manager and still qualify?

It is possible but difficult. You would usually need to show more than 500 hours yourself, or that your hours exceed the manager's and you have more than 100 hours.

Is the seven-day average calculated per guest or per year?

It is calculated by dividing the total rental days by the number of separate stays during the year.

Does a 30-day minimum rental qualify?

No. Average stays longer than seven days fall outside this exception, though stays of 30 days or less with significant services can qualify under a separate test.