The STR Tracker blog

A new article every day for short-term rental owners: what counts as an hour, how the tests work, and how to keep a record your CPA can actually use.

record-keepingmaterial participation100-hour testSTR loopholeCPAauditmaintenance7-day rulefirst year750-hour testREPSW-2 RSS
A coastal holiday house seen from the beach

· 6 min read

The Facts and Circumstances Participation Test

Treas. Reg. 1.469-5T(a)(7) allows participation on a facts-and-circumstances basis, with a 100-hour floor and limits that surprise most owners.

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A coastal holiday house seen from the beach

· 6 min read

Significant Participation: The Other 500-Hour Rule

Treas. Reg. 1.469-5T(a)(4) adds up activities of more than 100 hours each toward 500. What the test is, and when a short-term rental fits it.

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A coastal holiday house seen from the beach

· 7 min read

Do Storm Damage and Insurance Claim Hours Count?

Damage closes a property but not the work. How repair, adjuster and claim hours read against the material participation tests, and how to log them.

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A hand holding a paper receipt

· 6 min read

Amending a Return After Rebuilding an Hours Log

What changes and what does not when a rebuilt hours log supports a different position on a filed return, and why the rebuild matters most.

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A coastal holiday house seen from the beach

· 6 min read

Form 8582 for Short-Term Rental Owners

Where a short-term rental shows up on Form 8582, why a non-passive STR may not appear on it at all, and which hours records sit behind the answer.

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A coastal holiday house seen from the beach

· 6 min read

Rental Arbitrage: Hours When You Do Not Own It

Subletting a leased property short-term changes the hours question. What the rental definition and the participation tests look at when there is no title.

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A coastal holiday house seen from the beach

· 6 min read

How Long Should You Keep Your STR Hours Log?

Hours records support a return, and some matter for years after. General retention periods, and why an hours log outlives the usual three years.

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A coastal holiday house seen from the beach

· 6 min read

No Bookings This Year: Where Do You Stand?

A property that was available but never booked has hours and no guests. What the average-stay test measures when there is no customer use at all.

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An open monthly planner

· 7 min read

Seasonal STR: Reaching the Hours in a Short Season

A rental open five months a year faces the same annual hour thresholds as one open twelve. Where off-season hours come from, and how to log them.

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A coastal holiday house seen from the beach

· 6 min read

Do Permit and City Compliance Hours Count?

Registrations, inspections, HOA approvals and lodging tax filings take real time. How those compliance hours read against the participation tests.

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A coastal holiday house seen from the beach

· 5 min read

Do Bookkeeping Hours Count Toward the Tests?

Bookkeeping, categorizing expenses and CPA meetings all take time. Which of those hours the regulations treat as participation, and which they do not.

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A coastal holiday house seen from the beach

· 6 min read

Sold Your STR Mid-Year: What Your Hours Log Needs

A sale ends the activity but not the record-keeping. Which hours still count in the year of sale, and the package to keep after the property is gone.

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A coastal holiday house seen from the beach

· 6 min read

STR in a Self-Directed IRA: Can Your Hours Count?

A rental held inside a retirement account raises a different question than material participation. Why the hours tests generally do not reach it.

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A coastal holiday house seen from the beach

· 6 min read

Grouping Multiple STRs: What It Does to Your Hours

The section 469 grouping rules can combine properties into one activity. What grouping changes about the hours tests, and what your log needs either way.

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A coastal holiday house seen from the beach

· 6 min read

Do Pricing and Calendar Hours Count as Participation?

Revenue management is real work on a short-term rental. Which pricing, calendar and listing hours read as operations and which read as investing.

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A hand holding a paper receipt

· 6 min read

Photos, Timestamps and GPS as Proof of Your Hours

A log states your hours; corroboration makes them credible. Which everyday digital traces support an entry, and what each one actually proves.

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A coastal holiday house seen from the beach

· 6 min read

Do Supply Runs Count as Material Participation?

Shopping for a short-term rental generally counts, but padded and commingled errand entries are where logs lose credibility. How to record a supply run.

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A coastal holiday house seen from the beach

· 6 min read

Converting Your Home to an STR: When Hours Start

A house that becomes a rental mid-year has a conversion date. What counts before it, what counts after, and what the first partial year needs in the log.

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A coastal holiday house seen from the beach

· 6 min read

STR in an LLC: Whose Hours Count for the Tests?

Holding a short-term rental in an LLC or partnership does not create or pool hours. Who gets measured, which tests narrow, and how many logs you need.

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Cleaning supplies lined up on a counter

· 6 min read

Peak Season: Logging Hours When Turnovers Are Daily

Peak weeks produce most of a short-term rental's hours and its weakest entries. A same-day batching routine that keeps the log credible without extra work.

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A coastal holiday house seen from the beach

· 6 min read

Do Hours Spent Shopping for Your Next STR Count?

Touring properties and underwriting deals is investor work for an activity you do not own yet. Where acquisition hours can and cannot go.

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Hands typing a message on a phone

· 6 min read

Do Automated Guest Messages Still Count as Hours?

Scheduled messages and AI replies cut the minutes you actually spend. What remains loggable, and why a full inbox is not a full hours column.

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A tax form beside a calculator and notes

· 5 min read

Suspended Losses From Past Years: Getting Them Out

Losses disallowed in earlier years do not disappear. How they carry forward, what releases them, and why the hours record matters retroactively.

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A coastal holiday house seen from the beach

· 6 min read

Asked for Your Hours Log: What Gets Requested

What an examiner typically asks for when material participation is at issue, in what order, and how a log answers each request without extra work.

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A coastal holiday house seen from the beach

· 6 min read

Personal-Use Days vs Logged Hours: The Overlap

A night you stay at your rental can be a personal-use day and still contain real work hours. How the two records differ and why both are needed.

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A tax form beside a calculator and notes

· 6 min read

Cost Segregation and Hours: Which Comes First?

A cost segregation study sizes the deduction; your hours decide whether it can land against non-passive income. How the two pieces depend on each other.

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A coastal holiday house seen from the beach

· 6 min read

Is There an Income Limit for the STR Loophole?

The $25,000 rental allowance phases out between $100k and $150k, but the short-term rental exception has no income cap. Here is what does limit a loss.

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An open monthly planner

· 6 min read

Tax Deadlines for STR Hosts: Oct 2026 to Oct 2027

The dates a short-term rental host works to from October 2026 through October 2027, and the hours-log checkpoint that belongs with each one.

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A coastal holiday house seen from the beach

· 6 min read

Two Hosts, One Log: How Couples Track Hours

Married co-owners can combine hours for material participation but not for the 750-hour test. How to log each person so both can be computed.

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A coastal holiday house seen from the beach

· 5 min read

Is Google Calendar Good Enough for Your Hours Log?

Calendar entries have timestamps but lack per-property totals, other participants and exports. Where a calendar works, where it fails, how to bridge.

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A coastal holiday house seen from the beach

· 6 min read

Do Courses, Podcasts and Research Count as Hours?

Courses, podcasts and market research are usually investor activity, not participation. What the regulation says, and the exceptions worth logging.

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Screwdrivers and a wrench laid out on a work surface

· 6 min read

DIY Repairs: How to Log Them So They Hold Up

Repairs are usually the most believable hours in a host's log. How to record a repair with proportionate time, parts receipts and before-and-after photos.

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A coastal holiday house seen from the beach

· 6 min read

First-Year Airbnb Host: What to Log From Day One

The five numbers your first short-term rental tax return will ask for: your hours, everyone else's hours, stays and nights, personal-use days, receipts.

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A coastal holiday house seen from the beach

· 6 min read

Do Setup Hours Before Your First Guest Count?

Furnishing, photographing and listing a new short-term rental takes dozens of hours. Whether pre-opening hours count, and why placed in service matters.

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A coastal holiday house seen from the beach

· 6 min read

Do Hours Supervising Contractors Count?

Actively directing a contractor at your short-term rental can count toward material participation. Standing by while they work generally does not.

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An open monthly planner

· 6 min read

The 30-Day Rule and Substantial Services, Explained

The second exception in Treas. Reg. 1.469-1T(e)(3): average stays of 30 days or less plus significant personal services, what counts, and the trade-off.

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Cleaning supplies lined up on a counter

· 6 min read

How to Track Your Cleaner's Hours (and Why You Must)

The 100-hour test compares your hours to every individual, including your cleaner. How to estimate and document a cleaner's or handyman's time defensibly.

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A tax form beside a calculator and notes

· 6 min read

Can a Full-Time W-2 Employee Qualify for REPS?

The more-than-half test makes real estate professional status very hard to reach with a full-time job. What the two prongs require and what to log.

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A coastal holiday house seen from the beach

· 6 min read

Can Airbnb or PMS Data Prove Your Hours?

Booking exports, message timestamps and PMS task logs corroborate a short-term rental hours log but cannot replace it. What to export, and how often.

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A hand holding a paper receipt

· 4 min read

Anatomy of a Log Entry That Holds Up

Ten short-term rental log entries rewritten from vague to credible, with the five fields every entry needs and the patterns the Tax Court has criticised.

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An open monthly planner

· 5 min read

100 vs 500 Hours: Which Material Participation Test?

The 500-hour test, the 100-hour-and-more-than-anyone test, and the substantially-all test compared for short-term rental owners, with the log each one needs.

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A coastal holiday house seen from the beach

· 5 min read

Per Property or Combined? Hours Across Multiple STRs

Whether material participation hours are counted per short-term rental or across all of them, what a grouping election changes, and how to log so either answer works.

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A road seen through a car windscreen

· 6 min read

Out-of-State STR: Can You Still Materially Participate?

Owning a short-term rental hundreds of miles away does not bar material participation, but it changes which hours you can claim and how you prove them.

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A tax form beside a calculator and notes

· 6 min read

STR Loophole for Physicians: The Hours Problem

High-W-2 physicians hear about the STR strategy first. The part that fails is finding and proving 100+ hours around a clinical schedule. A realistic plan.

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Hands typing a message on a phone

· 5 min read

Do Guest Messages Count as Material Participation?

Replying to guests, inquiries and reviews is operational work. How to log messaging time by event, not in blocks, and how platform timestamps back it up.

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Hands typing a message on a phone

· 5 min read

Does Being "On Call" Count as Material Participation?

Being available for guest emergencies is not participation. What Moss and Mirch said about on-call hours, and how to log the time you actually work.

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A tax form beside a calculator and notes

· 6 min read

100% Bonus Depreciation Is Back: What STR Hosts Must Prove

100% bonus depreciation returned for property acquired after Jan 19, 2025. Why the deduction still hinges on material participation hours, not the cost seg.

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An open monthly planner

· 6 min read

Bought an STR in the Fall? Can You Still Qualify This Year?

What placed-in-service date, partial-year hours and the 7-day average mean if you close on a short-term rental in September through December.

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Keys being handed over at the door of a home

· 5 min read

Do Co-Host Hours Count Against You? 100-Hour Test

If your Airbnb co-host logs more hours than you, the "more than anyone else" prong fails. How to track a co-host's time and keep the 100-hour test.

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A shelf of bound law reports

· 7 min read

Why 932 Logged Hours Still Failed: Hairston

Hairston v. Commissioner (2019): 932 hours, log still rejected. One-hour entries for trivial tasks, "watching paint dry," and 150 hours of inflation.

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A tax form beside a calculator and notes

· 6 min read

How STR Losses Reach Your W-2 Income on the Return

Follow a short-term rental loss from Schedule E through Form 8582 to Form 1040, and see exactly where material participation hours decide the outcome.

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Cleaning supplies lined up on a counter

· 5 min read

How to Log Turnover Hours for Your Short-Term Rental

A turnover is the most common STR hour. How to log cleaning, inspection, restock and laundry so entries are specific, proportionate and corroborated.

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A coastal holiday house seen from the beach

· 6 min read

Investor Hours Don't Count. Here's the Line

Reviewing statements, researching markets and analyzing deals are "investor" hours the IRS excludes from material participation. What to log instead.

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A shelf of bound law reports

· 6 min read

Mirch v. Commissioner: 944.5 STR Hours, Under 100 Counted

A 2025 Tax Court case where a short-term rental owner's log claimed 944.5 hours and fell short of 100. What the log looked like, why "on call" failed, and the cleaning contradiction.

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An open monthly planner

· 5 min read

One Long Booking Can Break Your 7-Day Average Stay

How a single 30-day off-season booking can push your average stay over 7 days and flip the activity to passive. How to monitor the average all year.

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An open monthly planner

· 6 min read

Behind on Hours in Q4? A 12-Week Catch-Up Plan

A week-by-week plan to finish the 100-hour test honestly before December 31: which real tasks generate hours, and what not to do to pad the log.

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Hands typing a message on a phone

· 6 min read

Forgot to Log? Rebuilding STR Hours From Real Evidence

How to rebuild short-term rental hours from platform messages, booking calendars, receipts and photos, and why courts accept some rebuilds and not others.

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A tax form beside a calculator and notes

· 6 min read

REPS vs the STR Loophole: Which One Do You Need?

Real estate professional status and the short-term rental exception solve different problems. Why STR hours may not count to 750, and which log to keep.

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A tax form beside a calculator and notes

· 5 min read

What to Send Your CPA: The STR Hours Package

The files a CPA needs to defend STR material participation: dated hours log, per-property totals, other participants, average-stay math, and receipts.

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A tax form beside a calculator and notes

· 5 min read

Airbnb on Schedule C or Schedule E? The Services Test

Why most short-term rentals report on Schedule E, when substantial services push you to Schedule C, and why the answer changes your hours log and SE tax.

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A coastal holiday house seen from the beach

· 6 min read

7 Situations Where the STR Loophole Does Not Work

The short-term rental loophole fails more often than it succeeds: average stay over 7 days, no material participation, personal use, state non-conformity.

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Keys being handed over at the door of a home

· 6 min read

Can You Pass the 100-Hour Test With a Property Manager?

How the "more than any other individual" test works when a property manager or co-host runs your STR, what Pohoski decided, and which hours are yours.

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Charts and figures on a computer screen

· 5 min read

Spreadsheet vs App for Material Participation Hours

An honest comparison of a spreadsheet, a calendar and a dedicated app for tracking short-term rental material participation hours - timestamps, per-property totals, other participants and exports.

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A road seen through a car windscreen

· 5 min read

Does Travel Time Count Toward Material Participation?

Whether drive time to your short-term rental counts as material participation hours, how the Tax Court has split on it, and how to log a trip so the work survives even if the drive does not.

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A coastal holiday house seen from the beach

· 5 min read

Sorting STR Hours: What Counts, What Does Not, Grey Areas

Which activities count toward the 100-hour and 750-hour tests for a short-term rental, which do not, and how to write them down so they hold up.

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