How a Short-Term Rental Can Cut Six Figures Off a $500K Earner's Federal Tax Bill

I'll be honest about where I stand before I explain any of this. I find it hard to watch this administration work. The chaos, and the way norms get treated as suggestions. Plenty of my clients feel the same unease, and I'm not going to write around it.

But my job is helping people build wealth inside the rules as they actually exist, and the tax bill Trump signed in July 2025 contains the most generous depreciation rule I've seen in my 16 years around real estate. You can dislike the man and still read the code. If you earn good money on a W-2, the code is currently written for you, and it would be a strange kind of protest to leave six figures on the table while people you disagree with collect it.

So here's what changed, and a real example with the numbers spelled out.

What Changed in July 2025

The One Big Beautiful Bill Act made 100 percent bonus depreciation permanent for property acquired after January 19, 2025. Before that, the write-off was phasing out: 40 percent in 2025, headed to zero by 2027. Now it's back at full strength with no sunset date.

In plain terms: when you buy a rental property, certain components of it (appliances, flooring, cabinetry, driveways, landscaping, furniture) can be written off entirely in year one instead of over 27.5 or 39 years. An engineering firm runs what's called a cost segregation study on the property, typically for $3,000 to $4,500, and identifies which pieces qualify. On a single-family home, that's usually 20 to 30 percent of the building's value.

A big first-year write-off only matters if you can use it. Which brings us to the part most high earners have never heard of.

Why Your Rental Losses Normally Can't Touch Your Paycheck

Since 1986, the tax code has treated rental losses as passive. Passive losses offset passive income only. Your salary is untouchable. There's a small exception worth up to $25,000, and it phases out completely at $150,000 of income, so it does nothing for the people reading this post.

The full exception is real estate professional status, which requires 750 hours a year and more than half your total working time in real estate. If you have a full-time job, you can't get there.

But there's a second door, and it's been sitting in the Treasury regulations since 1988. If the average guest stay at your property is seven days or less, the IRS doesn't classify it as a rental activity at all. It's a business, like a restaurant or a shop. And if you materially participate in running that business, its losses are fully deductible against your W-2 income. No professional status required, no income cap.

That's the short-term rental strategy. A furnished cabin with three-night Airbnb stays lives under a different section of the tax code than a house with a twelve-month tenant. The 2025 bill didn't create this door. It just made the deduction on the other side of it much larger.

The Example: $500K Salary, $1.2M Cabin

One thing California residents need to hear before celebrating: the state never adopted bonus depreciation. Your California return adds the deduction back and depreciates the property on the slow schedule, so the year-one savings are federal only. At a $500,000 income you'll still owe Sacramento its 9.3 to 11.3 percent. Every dollar figure above is federal.

The Time Requirement, Honestly

Material participation is the whole game, and the IRS has been auditing this exact strategy harder since 2025. There are seven tests and you only need to pass one. The two that matter for someone with a day job:

• Spend more than 500 hours a year on the property, or
• Spend more than 100 hours and more than any other single person, including your cleaner and any co-host.

The 100-hour route is the realistic one, and it means you actually run the place. You answer the guest messages. You schedule the turnovers and handle the pricing. You deal with the hot tub guy. Two to three hours a week gets you there, and setup year is the easy year because furnishing and listing work counts. What doesn't count: time spent shopping for properties and reading about the strategy, plus most driving. Hours your spouse puts in count toward yours.

Hand the keys to a full-service property manager and the strategy dies, because their hours beat yours. This is the honest filter for whether the play is for you. The IRS position has survived in court when owners kept contemporaneous logs and lost when they reconstructed hours at year-end. In one Tax Court case the judge singled out an entry claiming two hours shopping for coffee filters. Keep a running log from day one. A notes app is fine.

And keep your average stay at seven nights or under. One year of month-long winter tenants and the losses snap back to passive.

Readers asked how all this squares with holding a full-time job. It does, and the details matter enough that I wrote a follow-up post walking through the two hour tests and what self-managing means for your taxes.

Where You Can Actually Do This

Not San Francisco. The city only allows short-term rentals in your primary residence, where you live 275 nights a year, and fines start at $484 per day. There is no investment-property version of this inside city limits, so the play for an SF earner is to keep your life here and put the property where permits exist.

Within driving distance, the map moved a lot in the last 18 months. A judge struck down South Lake Tahoe's Measure T in March 2025, and as of April 2026 the city is issuing vacation-rental permits in residential zones again under a 900-permit cap. Placer County, covering the north shore, had roughly 300 permits left under its cap as of June. Palm Springs still issues certificates, now limited to 26 bookings a year. Truckee's waitlist runs 16 months or more, and Sonoma, Napa, and coastal Monterey are mostly closed to new investor permits.

Two more reasons to take permits seriously. A new state law, SB 346, took effect in January 2026 and lets cities pull per-property booking data straight from Airbnb and VRBO, so operating unpermitted now gets caught. And the permit has to come before the purchase in your sequence of decisions, because a property you can't legally rent nightly is just an expensive second home. Driving distance helps your hours log too.

What If You Fix It Up First? BRRRR Meets the Write-Off

Some readers will recognize the BRRRR strategy: buy a dated property, renovate it, rent it, refinance to pull your cash back out, hold. Run the rental phase as a short-term rental and the two strategies stack, with one calendar rule to respect.

Rehab dollars are disproportionately bonus-eligible. On a purchase, the cost segregation study usually finds 20 to 30 percent in short-life components. On a renovation budget, the share often passes half, because a remodel is mostly finishes: flooring, cabinets, appliances, decks, the driveway. A $1 million purchase plus a $200,000 rehab can produce a bigger first-year deduction than a $1.2 million turnkey. Structural work like the roof and framing still depreciates slowly. And when you demo the old kitchen, an election called a partial disposition lets you write off the remaining basis of what went in the dumpster.

The calendar rule: nothing is deductible while the property sits in renovation. Every pre-listing dollar stacks into basis, and the whole deduction fires in the year the property is placed in service. Buy in October, renovate through March, list in April, and the write-off lands on next year's return. If you need the deduction this year, the rehab has to finish this year.

The refinance step costs you nothing in tax. Cash-out proceeds aren't income and the refi doesn't trigger recapture. Your depreciation schedule doesn't move. Pull the capital out, buy the next one, and each new property gets its own study and its own first-year deduction. The limits are the ones above: your hours have to keep up across the whole portfolio, and the annual loss cap still applies. Past two or three of these, material participation gets hard to defend with a day job.

The Catches

The deduction defers tax. It doesn't erase it. When you sell, the depreciation you took gets recaptured, some of it at ordinary rates. The move investors make is holding long, or rolling into the next property through a 1031 exchange, the same family of tools I covered in why real estate is the ultimate wealth builder. Held that way, deferral compounds in your favor for decades, and equity you build can be borrowed against along the lines of the strategy the ultra-wealthy use.

The property must be in service by December 31 to take the deduction this year. In service means furnished and actually listed, with the permit done. An October close works. A December 28 close doesn't.

And the property has to work as a business, because you'll own it long after the deduction clears. National short-term rental occupancy is running about 57 percent this year. Underwrite the revenue like the deduction doesn't exist, then let the deduction make a good deal great. A bad cabin with a great write-off is still a bad cabin.

Who This Is For

Someone earning above $150,000, where the small-landlord exception is gone, with around $300,000 of cash to put to work. It also takes a genuine willingness to spend a hundred-plus hours a year running the place, logged. If either piece is missing, wait, or look at the slower wealth-building paths in my piece on investing tech money.

If both are there, this is one of the few places in the code where a W-2 earner gets treated like an owner. My politics didn't write this rule. But it's on the books and it's permanent for now. The people it was written for are using it, and I'd rather my clients understand it than fund it.

If you want to talk through whether it fits your situation, and what a Tahoe or Palm Springs purchase would look like next to your SF plans, the conversation is free. You can reach me at (415) 517-7071.