Vacation Rental Tax Deductions Most Owners Miss

Key Takeaways

Vacation rental properties qualify for significant tax deductions that long-term rental properties don't offer under the same classification
Depreciation on furnishings through MACRS (5-year schedule) and the property structure itself are among the most valuable deductions and are frequently underclaimed
The 14-day rule under IRS Section 280A determines whether your rental activity is classified as a business or a personal residence. Getting this right changes your entire deduction picture
Cleaning, management fees, platform commissions, insurance, and supplies are all deductible as ordinary business expenses
This post provides general educational information. Consult a CPA or tax professional familiar with short-term rental properties before filing

Disclaimer: This article contains general educational information about tax treatment of vacation rental properties. Tax laws change and individual situations vary. This is not tax advice. Consult a qualified CPA or tax professional who is familiar with short-term rental properties before making tax decisions.

Short-term rental investors hold one of the more tax-advantaged positions in real estate. The combination of ordinary business expense deductions, accelerated depreciation options, and specific STR provisions creates a tax profile that most property owners dramatically underutilize.

The most common reason: they're doing their own taxes or working with a general accountant who hasn't specialized in STR properties. General tax software and generalist accountants often miss the nuances that make vacation rental taxation distinct from long-term rental taxation.

Here are the deductions most owners underutilize.

Understanding the 14-Day Rule First

Everything in vacation rental taxation flows from a single IRS threshold under Section 280A. The rules differ fundamentally based on how many days you rent vs. use the property personally.

If you rent for fewer than 15 days per year: You owe no tax on rental income, but you also can't deduct rental expenses. The income is excluded. This applies to the "Augusta Rule" scenario (discussed below) but not to serious STR investing.

If you rent for 15+ days and personal use is 14 days or less (or 10% of rental days, whichever is greater): The property is classified as a rental activity. You can deduct all expenses proportional to rental use. This is the structure most serious STR investors are operating under.

If personal use exceeds the threshold: The property is treated as a mixed-use personal residence. Your deductions are limited and follow different rules that cap your loss deductions at rental income.

If you use your property personally, tracking days carefully matters. Maintenance days don't count as personal use; true recreational use does.

Depreciation: The Most Underused Deduction

Real property depreciates over 27.5 years for residential rental. The land value is excluded. On a $700,000 San Diego property with land value of $300,000, your depreciable basis is $400,000. Annual depreciation deduction: $400,000 ÷ 27.5 = approximately $14,545.

That's a $14,545 annual deduction you receive regardless of whether your property appreciates in value. Most owners claim this. What many don't:

Cost segregation studies. A cost segregation study reclassifies components of the property from 27.5-year depreciation to 5, 7, or 15-year schedules. Personal property (appliances, carpeting, fixtures) depreciates over 5 years. Land improvements (parking, landscaping) over 15 years. For a property with significant improvements, accelerating this depreciation into earlier years creates substantial near-term tax savings.

Cost segregation studies cost $3,000-$10,000 for a residential property but often generate tens of thousands in accelerated deductions. For a property with a $150,000 in improvements, moving $75,000 to 5-year depreciation instead of 27.5-year is a significant difference in year-one and year-two deductions.

Bonus depreciation. Bonus depreciation rules allow certain categories of property to be fully deducted in the year of purchase rather than over their useful life. The rules on bonus depreciation percentage have changed in recent years (it was 100% through 2022, phasing down since then). Check current IRS rules with a CPA for your specific situation.

Furnishings and Equipment: 5-Year MACRS

All furnishings, appliances, and equipment you purchase for your vacation rental are business personal property with a 5-year depreciation schedule under MACRS (Modified Accelerated Cost Recovery System). This includes:

Furniture
Appliances (refrigerator, washer/dryer, dishwasher)
Electronics (TVs, sound systems)
Small appliances (coffee maker, blender, etc.)
Linens, towels, and bedding

The difference between depreciating a $30,000 furnishing budget over 5 years vs. 27.5 years is significant. At 5 years on an accelerated schedule, a meaningful portion of that $30,000 comes back as deductions in the first couple years.

Keep receipts for every furnishing purchase. This is one area where detailed records create genuine tax value.

The Augusta Rule: 14 Days of Tax-Free Income

IRS Section 280A(g) allows homeowners to rent their primary residence for up to 14 days per year with zero tax owed on the resulting income, regardless of the rental rate.

This is commonly called the "Augusta Rule" because it originated in connection with Masters golf tournament homeowners renting their houses. But it applies to any primary residence.

Practical application for owner-occupied STR investors: If you rent your primary residence (or a portion of it) for 14 days per year at market rate, that income is tax-free. For a high-value property, 14 nights at $500-$1,000/night represents $7,000-$14,000 in tax-free income annually.

This works alongside your Tier 2 STRO permit in San Diego, which allows home-sharing in primary residences. Understanding how these interact requires advice from a CPA who knows both the California tax rules and the Augusta Rule application.

Ordinary Business Expense Deductions

For properties classified as rental activities (rented 15+ days, personal use within threshold), these are all deductible:

Property management fees
Platform commissions (Airbnb, VRBO, Booking.com)
Cleaning costs
STR insurance premiums
Transient Occupancy Tax (TOT) when remitted
Repairs and maintenance (not capital improvements)
Utilities paid during rental periods
Smart home devices (smart locks, noise monitors, thermostats)
Supplies and consumables (cleaning products, toiletries, coffee)
Professional photography costs
Marketing expenses
Professional services (accountant, attorney)
Travel to the property for management purposes

Note the distinction between repairs (fully deductible in the year incurred) and capital improvements (depreciated over time). Replacing a broken dishwasher is a repair. Installing a new kitchen is a capital improvement.

The Short-Term Rental Exception to Passive Loss Rules

For most rental properties, losses are passive losses that can only offset other passive income, not your ordinary W-2 income. This is the standard passive activity rule under IRS Section 469.

Short-term rentals with an average guest stay of 7 days or fewer may qualify for an exception. If the average rental period is 7 days or fewer, the activity may be classified as a business activity rather than passive rental, allowing losses to offset active income.

This is a nuanced area that depends on your level of participation in the business, how the property is structured, and your overall income situation. A CPA who specializes in STR properties is essential here. Getting this classification right can meaningfully change your tax picture if you're showing losses in early years.

California-Specific Considerations

California has its own tax treatment rules that don't always mirror federal treatment. Key differences to know:

California does not conform to bonus depreciation rules. Accelerated depreciation elections that reduce federal taxable income may not apply to California income.
California's passive loss rules follow federal rules but with state-specific calculations.
Transient Occupancy Tax (TOT) paid to San Diego and other municipalities is generally deductible as a business expense.

Work with a CPA who understands both federal STR tax treatment and California-specific provisions. A generalist who only knows federal rules will miss the state-level nuances that affect your total tax liability.

Frequently Asked Questions

Can I deduct interest on my mortgage for a vacation rental?

Mortgage interest is deductible for rental property under Schedule E as a rental expense, proportional to rental days vs. total days in the year. If you use the property personally 20% of the year, 80% of the mortgage interest is deductible as a rental expense. The remaining 20% may be deductible as home mortgage interest on Schedule A if it qualifies.

What's the difference between a repair and a capital improvement for tax purposes?

Repairs restore the property to its current condition and are deducted in the year incurred. Capital improvements extend useful life, add value, or adapt the property to a new use, and must be depreciated. Replacing a broken hot water heater is a repair. Adding a hot tub is a capital improvement. Gray areas exist; your CPA makes the determination.

Do I need a separate bank account for my vacation rental?

Not legally required, but strongly recommended. A separate account makes expense tracking far simpler, creates a cleaner paper trail for deductions, and makes your accountant's job faster (and your bill lower). Most CPAs who work with STR owners recommend it strongly.

Can I deduct the cost of furnishing a vacation rental from scratch?

Yes, through depreciation over 5 years for personal property items under MACRS, or potentially faster through bonus depreciation elections (check current rules with your CPA). Major furnishing purchases should be tracked with receipts and itemized, not lumped into a single expense category.

Should I hold my vacation rental in an LLC?

This is a question for a real estate attorney and CPA, not a general guideline. An LLC provides liability protection but doesn't change the fundamental tax treatment of the rental activity. It adds administrative complexity. The right answer depends on your specific asset protection needs, your loan structure, and your state's LLC laws.

The deductions available to vacation rental property owners are meaningful and frequently underclaimed. Working with a CPA who specifically handles short-term rental properties, rather than a generalist, typically pays for itself many times over in identified deductions.

Contact the Stay Classy Homes team for a referral to trusted CPAs in the San Diego area who work specifically with STR property owners.