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AIRBNB AND VACATION RENTAL OWNERS

Reviewed August 17, 2026 · Updated for current federal bonus-depreciation guidance

A short-term rental can contain more than one tax life.

A furnished California short-term rental may combine residential building property with appliances, furniture, qualifying finishes, outdoor amenities and land improvements. A cost segregation study documents the supported allocation instead of treating the full building basis as one 27.5-year asset.

  • No study work before payment
  • CPA-ready final report
  • California statewide

WHY IT MATTERS

Move eligible basis into faster recovery periods.

The study and the owner’s tax status are separate questions. Average guest stay, services provided, material participation, passive-loss limitations, acquisition date and placed-in-service date can all affect whether an accelerated deduction is currently usable. The engineering report supports classification; the CPA determines the return treatment.

Plain English: you are not creating a new deduction. You are identifying when supported pieces of the property may be depreciated.

WHAT WE REVIEW

What we review in a vacation rental

01

Furniture, appliances and removable equipment

02

Flooring, cabinetry and qualifying interior finishes

03

Pools, spas, patios and outdoor recreation

04

Driveways, fencing, landscaping and site lighting

05

Renovations completed before or after launch

06

Purchase allocation and separately acquired furnishings

SHOW ME THE NUMBERS

Illustrative California STR example

Illustrative only. This assumes a 37% federal marginal rate where shown and that the owner can currently use the deduction.

Property value
$1,500,000
Estimated depreciable basis
$1,050,000
Potential faster basis
$210,000 to $368,000
Potential upfront federal effect
$78,000 to $136,000
Study or comparison benchmark
$5,000 to $10,000+

This is a timing illustration, not guaranteed permanent tax savings. California commonly requires a separate depreciation schedule because it generally does not conform to federal bonus depreciation.

DOES IT FIT?

Strong candidates usually have four things.

Property is operating as a short-term rental

Building and improvement basis supports the fee

Owner has furnishing and renovation records

CPA confirms loss and participation treatment

PORTFOLIO PRICING

More properties. Lower cost per study.

Order and pay for the properties together to receive a simple portfolio discount.

2 properties5% off3 to 4 properties10% off5+ properties15% off

STRAIGHT ANSWERS

Frequently asked questions.

Does the short-term-rental rule automatically make losses nonpassive?+

No. Tax treatment depends on the facts, including average stay, services and material participation. A cost segregation study does not establish participation or guarantee that a loss can offset other income.

Are furniture and appliances part of the study?+

They may be included when the owner has basis in them and they are not already listed separately on the fixed-asset schedule. The report must prevent duplicate basis.

Is the free estimate a completed study?+

No. It is an illustrative screen using the facts you provide. No engineering takeoff, professional certification or tax opinion is included. Technical work begins only after a signed and paid engagement.

Does my CPA need to approve the study first?+

No. It is smart to ask whether you can currently use additional depreciation, but the paid study does not require advance CPA approval. Your CPA makes the final filing decision.

Do you guarantee tax savings?+

No. A study accelerates the timing of eligible depreciation. Results depend on basis, property facts, placed-in-service dates, passive-loss rules, tax rates and the owner's filing position.

AUTHORITATIVE SOURCES

Reviewed against current IRS and California guidance.

Last reviewed August 17, 2026. Tax rules and procedures can change. Your CPA should confirm the law that applies to your acquisition date, placed-in-service date and return.

IRS Topic 704: DepreciationIRS Cost Segregation Audit Technique GuideIRS Notice 2026-11: 100% bonus depreciation guidanceIRS Notice 2026-16: qualified production propertyCalifornia FTB federal tax change summary

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