Prove material participation. Protect your tax deductions.

HourProof is the definitive tool for STR and LTR property owners who need to document material participation hours — the IRS-required standard that lets you deduct rental losses against ordinary income.

Why HourProof?

The IRS requires 750 hours of material participation for Long-Term Rentals and 100 hours for Short-Term Rentals. Without contemporaneous records, those deductions vanish under audit. HourProof builds your audit-proof log in minutes a day.

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Key Features

AI-Assisted Logging
Describe your activity in plain language — HourProof extracts the category, duration, and description automatically. No manual data entry.

Voice Input
Speak your activities hands-free. Perfect for logging time while you're still on-site.

Multi-Property Management
Track hours across any number of STR and LTR properties. Group properties together for consolidated reporting.

Evidence Attachments
Attach photos, receipts, documents, and emails directly to activity logs — exactly what your CPA needs at tax time.

Real-Time Goal Tracking
See your progress toward the 750-hr or 100-hr threshold at a glance. Know where you stand before year-end, not after.

CPA-Ready Reports
Export a professional PDF summary your accountant can attach directly to your tax filing.

Built for Investors
Designed with STR investors and tax professionals in mind. Every activity category maps to IRS-recognized material participation criteria.

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Who It's For
- Short-term rental (Airbnb, VRBO) hosts claiming active participation
- Long-term landlords tracking the 750-hour real estate professional test
- Property managers logging client-property hours
- Anyone whose CPA has said "you need better records"

Download HourProof and turn every hour you work into a documented, defensible tax deduction.