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Start here · The flagship guide

The STR Tax Strategy Playbook

How short-term rentals are taxed, start to finish: the classification gate, material participation, how income is reported, depreciation, and the documentation that makes it defensible.

New to Builders Finance? Start here. This guide introduces the whole Tax Strategy system, and links to every supporting guide you'll need as you put it in place.

Reading time20 min
Edition2026.1
AuthorMatt Nunn
Living reference — kept current as rules, tools, and operating practices change.
What it covers
  • The classification-first discipline
  • Material participation & the loophole
  • How STR income is reported (and the 1099-K)
  • What actually defends a deduction
Read the Tax Playbook →

Start with the flagship above — everything else in Tax Strategy supports it.

Supporting guides

The guides, in order

In dependency order — Classification first. Everything else follows.

01
Classify

How an STR Is Classified for Tax

The gate that decides which rules apply — average stay, Schedule E vs. C.

02
Participate

Material Participation & §469

Why rental losses are trapped, and what makes STR losses non-passive.

03
Report

How STR Income Is Reported

Which schedule, which forms, the 1099-K, and estimated taxes.

04
Depreciate

Depreciation for Short-Term Rentals

27.5 vs 39 years, cost segregation, and 100% bonus depreciation.

05
Document

Documentation & Substantiation

The records that support each position — and how to keep them.

Browse all Tax Strategy guides chronologically →
Decision guides

When there's a real choice

Judgment calls, not how-tos — each weighs the options for your situation.

Decision Guide

The STR Tax Loophole: Do I Qualify?

Whether you can offset your W-2 income — the classification and participation tests, honestly.

Work through it →
Decision Guide

Is Cost Segregation Worth It?

When the study pays for itself, and when it doesn't.

Work through it →
Templates & tools

The tools that do the most

The guide teaches; the tool implements.

Tool

Material-Participation Time-Log Tracker

The §469 substantiation the loophole depends on.

Pairs · Material Participation
Checklist

STR Tax Mistake Checklist

The errors that show up most in STR books, and how to catch them before filing.

Pairs · Documentation
The Informed Operator

Stay ahead of the changes.

A weekly email on the financial side of short-term rentals — what changed, why it matters, and what owners should understand. Plus the STR Tax Mistake Checklist.

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