Pool, Sauna & Hot Tub Depreciation for Short-Term Rentals: 5-Year, 15-Year or 27.5-Year?

By: Dominic Springer | October 16, 2026

Hot Tub Depreciation for Short-Term Rental Owners

Hot tubs, swimming amenities, and saunas are popular upgrades for short-term rental properties. These features can improve the guest experience, strengthen booking appeal, and make a vacation home more competitive.

However, installing a hot tub also creates an important tax question: Can the owner deduct the expense immediately, or must it be recovered over several years?

The answer depends on the asset's Modified Accelerated Cost Recovery System (MACRS) classification, installation, and eligibility for bonus depreciation.

Unlike physical depreciation or declining resale value, tax depreciation follows statutory recovery periods.

A hot tub may remain functional for many years while qualifying for an accelerated deduction when its tax classification supports that treatment.

Understanding these distinctions is essential when evaluating accelerated depreciation for short-term rentals.

TL;DR: How Are Outdoor Amenities Depreciated?

• 5-year depreciation: Certain qualifying portable equipment, furnishings, and spas may receive shorter recovery periods.
• 15-year depreciation: Qualifying land improvements include certain fencing, patios, and walkways.
• 27.5-year depreciation: Structural components of qualifying residential rental buildings generally follow the building's depreciation period.
• 100% bonus depreciation: Eligible property acquired and placed in service after January 19, 2025, may qualify for a full first-year federal deduction.
• Installation matters: Portable hot tubs and permanently constructed amenities can receive different tax classifications.

Quick Answer: It Depends How It's Installed

Two vacation rentals may offer similar spas but receive different tax treatment.

A self-contained hot tub installed on an existing patio may qualify as shorter-life equipment. A permanently constructed spa integrated into a building may instead be treated as a structural component.

The same principles apply to saunas, swimming installations, and outdoor improvements.

Amenity Depreciation Comparison

These classifications are illustrative. Certain assets may require seven-year, 39-year, or other recovery periods depending on their characteristics and applicable tax authority.

For properties with substantial improvements, cost segregation studies can help identify separately depreciable equipment, land improvements, and structural components.

Recovery Periods Explained: 5, 15, and 27.5 Years

Internal Revenue Code §168 establishes different depreciation periods based on an asset's classification.

Five-Year Personal Property

Certain furnishings, appliances, and equipment used in residential rental activities commonly receive five-year MACRS treatment.

A portable hot tub may qualify for shorter-life treatment when its applicable asset class supports that period.

However, movable equipment does not automatically qualify as five-year property.

The IRS considers the asset's function, installation, and classification rather than its advertised lifespan.

Fifteen-Year Land Improvements

Qualifying land improvements generally receive a 15-year recovery period.

Revenue Procedure 87-56, asset class 00.3, includes certain depreciable improvements such as fencing, roads, sidewalks, and paved areas.

Examples relevant to vacation rentals include:

• Exterior walkways and paved surfaces.
• Qualifying privacy fencing.
• Certain drainage improvements.
• Detached patios and landscaping improvements.

Outdoor spas and recreational structures require separate analysis. Being outside does not automatically establish 15-year eligibility.

Residential Building Improvements

Qualifying residential rental buildings generally use a 27.5-year recovery period.

Some short-term lodging properties may instead qualify as nonresidential real property, requiring a 39-year depreciation period.

This distinction matters when evaluating permanently integrated amenities and other structural improvements.

It also affects broader short-term rental taxation, including depreciation schedules and rental activity reporting.

Hot Tubs: Portable vs. Built-In Installations

A hot tub can range from a self-contained manufactured unit to a permanently constructed spa surrounded by concrete, plumbing, and decking.

The correct classification depends on the equipment's function and attachment to the property.

Portable Equipment

A portable hot tub typically includes a manufactured shell, heating system, circulation equipment, and independent controls.

Relevant characteristics include:

• Whether the unit can be disconnected and relocated.
• Whether removal would damage surrounding structures.
• Whether the equipment operates independently.
• Whether permanent construction was required.

A qualifying portable unit may receive shorter-life treatment, but the applicable asset class must support that conclusion.

A hot tub designed for rental guests may qualify as separately depreciable equipment when its installation and applicable MACRS classification support shorter-life treatment.

Built-In Spas

Permanently constructed spas require more detailed classification.

An integrated installation may include concrete construction, electrical infrastructure, plumbing, pumps, and surrounding improvements.

Some components may qualify as equipment, while others may be land improvements or building components.

Outdoor spas with permanent plumbing and structural connections require careful evaluation because different components may qualify for different depreciation periods.

Concrete Pads, Electrical Work, and Fencing

Consider a hypothetical hot tub installation involving:

• Spa equipment: $10,000.
• Concrete pad: $2,500.
• Electrical installation: $1,500.
• Privacy fencing: $3,000.

The entire project totals $17,000, but its components do not automatically receive identical treatment.

The equipment may qualify for shorter-life depreciation, while the concrete pad and fencing may be land improvements.

Dedicated electrical connections require evaluation based on what they serve and whether they are part of the building's general infrastructure.

All project figures are illustrative.

Swimming Pools: In-Ground, Above-Ground, and Indoor Features

Swimming pools can involve substantial construction, making accurate classification particularly important.

In-Ground Outdoor Installations

Certain outdoor pools may qualify as 15-year land improvements when supported by the relevant facts and tax authority.

However, permanent outdoor construction does not automatically establish eligibility.

An installation may include excavation, concrete structures, filtration systems, electrical connections, and surrounding improvements.

For vacation rentals, pools and surrounding improvements should be evaluated separately to determine whether specific components qualify as depreciable land improvements.

Above-Ground Installations

Above-ground swimming equipment may differ significantly depending on construction.

A removable system may have different characteristics from one permanently integrated with structural decking or foundations.

The specific installation determines whether shorter-life equipment treatment is supportable.

Indoor Swimming Installations

An indoor swimming feature permanently integrated into a rental building may qualify as a structural component.

For qualifying residential rental property, such improvements generally follow a 27.5-year period.

For nonresidential real property, the relevant building period generally is 39 years.

Saunas and Cold Plunges: What About a Sauna?

Saunas and cold plunges have become common wellness amenities at vacation rentals.

Their depreciation treatment depends on whether they qualify as equipment, separate structures, or building improvements.

Freestanding Outdoor Saunas

A prefabricated outdoor sauna may have characteristics supporting personal-property treatment.

Relevant factors include its foundation, mobility, heating system, and whether it functions as a separate building.

Certain freestanding installations may qualify for shorter recovery periods, but five-year treatment is not guaranteed.

Built-In Indoor Saunas

An indoor sauna permanently integrated with flooring, walls, ventilation, and electrical infrastructure may qualify as a building improvement.

Its recovery period generally follows the applicable building classification.

Cold Plunges and Swim Spas

Portable cold plunges may qualify as separately depreciable equipment when supported by their characteristics.

A swim spa or permanently installed plunge feature may require additional analysis.

Water systems, cooling equipment, permanent construction, and surrounding improvements may not receive identical depreciation treatment.

Decks, Patios, Fire Pits, and Other Outdoor Amenities

Outdoor upgrades frequently include improvements beyond the primary amenity.

Qualifying patios, pathways, fencing, and certain landscaping work may fall within 15-year land-improvement classifications.

A deck structurally integrated with a rental home may instead follow the building's depreciation schedule.

Portable fire pits and outdoor furnishings may have different tax characteristics from permanently constructed fireplaces or masonry kitchens.

For owners considering a hot tub alongside other upgrades, separating equipment from structural improvements can help establish a more accurate depreciation schedule.

The objective is to classify each asset properly rather than assign one recovery period to an entire renovation.

Bonus Depreciation and Placed-in-Service Timing

Under IRC §168(k), eligible depreciable property acquired after January 19, 2025, may qualify for 100% bonus depreciation when all applicable statutory requirements are satisfied.

This can allow qualifying shorter-life assets to be deducted during the first year they are placed in service.

The broader requirements are explained in bonus depreciation for short-term rentals.

First-Year Deduction Example

Suppose an Airbnb owner purchases qualifying spa equipment for $12,000 during 2026.

Assume the equipment qualifies as eligible five-year property, is used entirely for business, and satisfies the applicable bonus depreciation requirements.

The illustrative calculation is:

• Eligible depreciable basis: $12,000.
• Applicable bonus percentage: 100%.
• Potential first-year deduction: $12,000.
• Remaining depreciable basis: $0.

The deduction does not represent a dollar-for-dollar reduction in federal income taxes.

Why the Placed-in-Service Date Matters

Depreciation generally begins when equipment becomes ready and available for its intended business use.

A spa purchased in December 2026 but not operational until January 2027 would generally begin depreciation in 2027.

Both acquisition and placed-in-service dates matter when determining bonus depreciation eligibility.

Can the Deduction Offset W-2 Income?

A depreciation deduction does not automatically offset employment income.

The short-term rental tax loophole involves separate rules concerning rental activity classification and the potential treatment of losses as nonpassive.

Meeting the applicable material participation requirements can affect the classification of rental losses.

However, the passive activity loss rules may restrict deductions.

The distinction between active vs. material participation matters because these concepts have different tax consequences.

What Happens After Year 1?

Without full bonus depreciation, remaining eligible basis generally continues through the applicable MACRS schedule.

For example, a qualifying $10,000 five-year asset using the 200% declining-balance method and half-year convention, without bonus depreciation or Section 179, may receive:

• Year 1: $2,000.
• Year 2: $3,200.
• Year 3: $1,920.
• Year 4: $1,152.
• Year 5: $1,152.
• Year 6: $576.

Although the category is called five-year property, the half-year convention generally spreads deductions across six tax years.

If 100% bonus depreciation eliminates the eligible basis, no depreciable basis ordinarily remains for later years.

Significant deductions may also be subject to the excess business loss limitation.

When an asset or rental property is sold, reduced adjusted basis may affect taxable gains and depreciation recapture.

Documentation, Invoices, and Ownership Expenses

Accurate records help establish the classification, tax basis, and placed-in-service date of rental amenities.

Owners should retain itemized invoices, equipment specifications, installation documents, permits, and photographs.

The $2,500 De Minimis Safe Harbor

Under Treasury Regulation §1.263(a)-1(f), qualifying taxpayers without an applicable financial statement may elect to expense eligible tangible-property purchases of up to $2,500 per invoice or item, as substantiated by the invoice.

Certain taxpayers with applicable financial statements may qualify for a $5,000 threshold.

The election is subject to accounting requirements and annual filing procedures.

A substantial improvement cannot simply be divided into artificial smaller purchases to obtain the safe harbor.

Repairs vs. Capital Improvements

Routine care, cleaning, and ordinary maintenance may qualify as operating expenses.

A tub owner may incur recurring expenses for chemicals, utilities, filters, and professional servicing.

These ownership costs are different from capital improvements.

Regular hot tub maintenance helps preserve the guest experience, but routine servicing and capital improvements receive different federal tax treatment.

Replacing an entire unit or making substantial restorations may require capitalization under Treasury Regulation §1.263(a)-3.

Final Thoughts:

Hot tubs, saunas, and outdoor recreational features can improve the guest experience while creating potential depreciation deductions for short-term rental owners.

However, equipment, land improvements, and structural building components do not necessarily follow identical depreciation periods.

For a hot tub owner, the correct classification depends on installation, function, and applicable tax rules—not simply the equipment's expected lifespan.

Proper documentation also matters when determining when assets become available for rental use and how deductions are reported over time.

These considerations form part of broader short-term rental tax advisory, including asset classification, depreciation planning, and applicable loss limitations.

Frequently Asked Questions