Cost Segregation For Residential Rental Property: Is It Worth It?

For years, cost segregation was seen as a strategy for large commercial buildings. That has changed. Remote and software-assisted providers now produce studies for single-family rentals, condos and short-term rentals for a few hundred to a few thousand dollars, and 100% bonus depreciation for qualifying property acquired after January 19, 2025 has made the first-year benefit larger again.

But a study is not right for every rental. This guide looks at when cost segregation is worth it for residential property, and when it is not.

This guide is general information for investors, not tax or legal advice. Tax rules change and depend on your facts, so confirm any strategy with a qualified CPA or tax attorney before acting on it.

Why Residential Rentals Can Benefit

Residential rental buildings are depreciated over 27.5 years. A study can move a share of the basis, often around 15% to 35% depending on the property, into five-year property such as appliances, flooring and finishes, and fifteen-year land improvements such as driveways, fencing and landscaping. Furnished short-term rentals usually fall at the higher end of that range because of furniture and fixtures.

Our guide to how cost segregation works includes a worked example showing how a $480,000 building basis can generate a first-year deduction of more than $130,000 with a study and bonus depreciation, compared with about $17,500 without one.

When Cost Segregation Is Usually Worth It

• You can use the losses now, because you qualify for the short-term rental exception with material participation, you are a real estate professional, or you have passive income to offset.
• The building basis is large enough that the extra deduction clearly exceeds the study fee. With low-cost providers, that threshold can be a few hundred thousand dollars.
• You plan to hold the property for several years, or to exchange it rather than sell for cash.
• The property is furnished or recently renovated, which increases the share of short-lived components.

When It May Not Be Worth It

• Your losses are passive, you have no passive income and you do not qualify for the short-term rental or real estate professional routes. The deduction will carry forward, and the benefit may be years away.
• You plan to sell within a year or two in a taxable sale, so much of the benefit is offset by depreciation recapture.
• The building basis is small, so the extra deduction barely exceeds the fee.
• You are in a low tax bracket, so each dollar of deduction is worth less.

Single-Family, Condo, STR And Small Multifamily

One provider, Cost Seg Smart, reports reclassification ranges from its own studies of roughly 19% to 39% for short-term rentals, 9% to 32% for single-family rentals and 10% to 17% for condos. Your result will depend on the property.

The Questions To Ask Before Ordering

Can I Use The Losses This Year?

This is the most important question. Read our guides to the short-term rental tax loophole and real estate professional status, then confirm with your CPA.

How Long Will I Hold The Property?

Longer holds and exchanges favor cost segregation. A quick taxable sale reduces the benefit. See our guide to depreciation recapture on rental property.

What Will The Study Cost?

Residential studies range from about $495 for software or remote reports to a few thousand dollars for fully engineered studies. Our guide to cost segregation study costs covers pricing in detail.

Does My State Follow Federal Bonus Depreciation?

Not every state does. California, for example, does not, so the state return will show a smaller benefit. See our list of top cost segregation firms in California.

Where To Find A Provider

Compare residential and short-term rental specialists in our list of the top cost segregation companies for short-term rentals, small and large apartment providers in our list of the top cost segregation firms for multifamily investors, or the wider market in our roundup of the best cost segregation companies.

Frequently Asked Questions

Is cost segregation worth it on a $300,000 rental?

It can be, if you can use the losses now and choose a low-cost provider. The extra first-year deduction on a building basis of around $240,000 could be tens of thousands of dollars, compared with a fee of a few hundred to a couple of thousand dollars.

Can I do cost segregation on a property I bought years ago?

Yes. A look-back study lets your CPA claim the missed depreciation in the current year through Form 3115, without amending prior returns.

Does a cost segregation study require a site visit?

Not always. Many residential studies are done remotely from documents, photos and public records, with a video walkthrough when needed. Larger or complex properties often get an on-site inspection.

Will cost segregation cause problems when I sell?

It increases depreciation recapture, with personal property recaptured at ordinary rates. Planning with a 1031 exchange or a long holding period can reduce the impact.