Expense Tracking for Airbnb Hosts: Categories, Deductions, and Best Practices

Most vacation rental owners undercount their deductible expenses by 15-30%. It is not because the deductions do not exist. It is because expenses happen in small increments throughout the year and never get recorded. A $12 light bulb pack here, a $45 Walmart run for supplies there, a $200 plumber visit that gets buried in your personal credit card statement. By tax time, thousands of dollars in legitimate deductions have evaporated.

Essential Expense Categories for STR Owners

• Cleaning and turnover: Cleaning service fees, laundry costs, cleaning supplies, restocking consumables between guests.
• Repairs and maintenance: Plumbing fixes, appliance repairs, HVAC servicing, pest control, general handyman work.
• Supplies and amenities: Linens, towels, toiletries, kitchen essentials, welcome baskets, coffee, paper goods.
• Utilities: Electric, gas, water, sewer, trash, internet, cable or streaming services provided to guests.
• Insurance: STR-specific insurance, umbrella policy premiums, any rider for rental activity.
• Platform and software fees: Airbnb host fees, VRBO fees, property management software subscriptions, smart lock subscriptions.
• Advertising and marketing: Professional photography, website hosting, paid ads, business cards, signage.
• Travel: Mileage to and from the property for maintenance, supplies, and inspections (track with a mileage app).
• Professional services: Accountant or CPA fees, legal consultations, property manager fees.
• Mortgage interest, property taxes, and HOA dues: Deductible on Schedule E proportional to rental use.

The Separate Account Rule

The single most impactful thing you can do for expense tracking is to open a dedicated bank account and credit card for your rental business. Every property-related purchase goes on the business card. Every rental income deposit goes into the business account. At the end of the year, your bank statement is essentially your expense report. No more digging through personal transactions to find that Home Depot receipt from July.

Repairs vs. Improvements: A Critical Distinction

The IRS draws a sharp line between repairs (deductible in the current year) and improvements (capitalized and depreciated over time). Fixing a broken dishwasher is a repair. Replacing it with a new one is an improvement. Patching drywall is a repair. Renovating a bathroom is an improvement. The distinction matters because a $5,000 bathroom renovation cannot be deducted in one year. It must be depreciated over 27.5 years, yielding only about $182 per year in deductions instead of the full $5,000.

Monthly Expense Review Habit

Set aside 30 minutes on the first of every month to review and categorize the previous month's expenses. This is dramatically easier than doing it quarterly or annually. Most property management tools let you log expenses with categories and attach receipt photos. If you stay current monthly, your year-end tax preparation becomes a simple export rather than a multi-day forensic accounting exercise.

What Most Hosts Forget to Deduct

• Mileage to and from the property (70 cents per mile for 2026, the IRS standard). Hosts who live near their rental and visit frequently often rack up significant deductible mileage.
• A portion of your phone and internet bill if you use them for property management.
• Home office deduction if you manage the rental from a dedicated space in your primary home.
• Depreciation of furniture, appliances, and other furnishings (typically over 5-7 years).
• Startup costs from before you received your first booking, including initial furnishing and setup expenses.