Mortgage interestFully deductible on investment property — no cap, PMI included
Property taxesDeducted in full against rental income
Cleaning & turnoversHousekeeping, laundry, restocking toiletries and supplies
Repairs & maintenancePool service, landscaping, plumbing — deductible the year incurred
Utilities & internetPower, water, gas, trash, WiFi, streaming for guests
STR insuranceLiability, guest damage, and loss-of-income coverage
Furnishings & appliancesFurniture, arcade machines, hot tubs — expensed via bonus depreciation or §179
Platform & management feesAirbnb host fees, channel managers, co-host splits
Software & pricing toolsPMS, dynamic pricing, smart locks, noise monitoring
Marketing & photographyListing photos, direct-booking site, promotion
Travel & mileageTrips to the property for management, at the IRS standard rate
Professional feesCPA, legal, permits, and the cost segregation study itself