Short-term rental loophole: mileage and material participation hours
The short-term rental strategy only holds up if you can prove two things: that you materially participated, and that every property trip you deducted actually happened. Both come down to contemporaneous records โ here is what to track and how to keep it.
How the loophole actually works
Rental income is normally passive, so losses can't offset wages or business income unless you're a real estate professional. There's an exception: if the average guest stay is seven days or less, the activity isn't treated as a rental activity for the passive loss rules. Add material participation and the losses โ often driven by cost segregation and bonus depreciation โ become non-passive.
Average stay of 7 days or less across the year (or 30 days or less with substantial personal services). Track it from your booking data.
You materially participate โ proven with a dated hour-by-hour log of the work you personally performed for that property.
The material participation tests hosts actually use
There are seven tests in the regulations. Short-term rental owners almost always rely on one of these four.
You participate in the activity for more than 500 hours during the tax year.
You participate more than 100 hours and no other individual โ cleaner, co-host, manager, contractor โ participates more than you do.
Your participation is substantially all of the participation by everyone involved in the activity for the year.
You participate more than 100 hours and, on the facts, your involvement is regular, continuous and substantial.
Where do your hours land?
A quick read on the two tests most hosts use. This is an estimate to help you plan your logging, not tax advice.
Hours only count if they're your own work on the activity and documented as you go. Investor-type activity and, in most cases, travel time are excluded.
Property mileage is a separate claim
Drives to handle a turnover, meet a contractor, buy supplies or inspect the property are deductible business miles even when the drive time doesn't count toward participation hours. Each trip needs the date, destination, business purpose and miles โ and the miles need to be tied to the right property when you own more than one.
How to log both in MileWise
- Add each property
Create a property for every short-term rental and set the one you visit most as your default so entries prefill.
- Log the drive by voice or odometer photo
Say where you went and why, or snap the odometer at the start and end. MileWise fills the date, miles and purpose and tags the property.
- Record work hours against the property
Log hours with the work performed โ turnover, guest messaging, repairs, restocking โ dated as you go, so the participation log builds itself.
- Export for your CPA
Export a tax-ready table of trips, hours, receipts and expenses per property, or schedule the backup weekly, monthly or quarterly.
Short-term rental log FAQ
Does drive time count toward material participation?
Treat it as excluded unless your advisor says otherwise โ travel time is heavily scrutinized. Keep drive time and on-site work hours in separate records so one can't contaminate the other.
Do I need a separate hour log per property?
Yes, unless you make a valid grouping election. Log hours and miles against the specific property so each activity can stand on its own.
Is a spreadsheet built in December good enough?
It's the weakest possible record. Contemporaneous logs โ entered the day the work happened โ are what hold up when participation hours are challenged.
What counts as an STR work hour?
Work you personally perform for the activity: cleaning and turnovers, guest communication, maintenance and repairs, restocking, listing management, and coordinating vendors on site.
Track property miles and participation hours in one place
MileWise logs trips by voice, scans receipts, and keeps dated work hours per property โ then exports the whole thing as a tax-ready table.
This page is general information, not tax advice. Material participation and the short-term rental rules are fact-specific โ confirm your position with a qualified tax professional before filing.