How to Depreciate Rental Property Improvements: IRS Rules

To depreciate rental property improvements, you capitalize the cost, assign it the correct MACRS recovery period (27.5 years for most structural work, 15 years for land improvements), and claim straight-line depreciation each year on Form 4562, carrying the deduction to Schedule E of your Form 1040.¹ Before you set up a depreciation schedule, though, confirm the expense is actually an improvement. Some costs qualify as repairs you can deduct in full the year you pay them, and two IRS safe harbors let smaller landlords write off certain improvements immediately.

Is It Actually an Improvement?

The IRS separates deductible repairs from capitalized improvements using what practitioners call the BAR test: betterment, adaptation, or restoration.² If your expense hits any one of those three, it’s an improvement and has to be depreciated.

A betterment fixes a pre-existing defect or materially increases the building’s capacity, quality, or strength. Upgrading single-pane windows to double-pane is a betterment. Adding a second story is too. An adaptation changes how the property is used, like converting a garage into a rental studio. A restoration replaces a major component or substantial structural part: a full roof replacement, or installing an entirely new HVAC system.³

The IRS identifies HVAC, plumbing, electrical, fire protection, gas distribution, elevator, escalator, and security systems as key building systems. Replacing one of those systems in its entirety is almost always an improvement, not a repair.³

Anything that doesn’t meet the BAR test is a repair. Patching a few shingles, snaking a clogged drain, or repainting a room maintains the property without extending its life. Those go straight to Schedule E as current-year expenses.

Get the classification wrong and you can’t simply fix it with an amended return. If you deducted a capital improvement as a repair, you’ll need to change your accounting method by filing Form 3115, and the resulting adjustment rolls the missed capitalization back into income for the year of change.³

Safe Harbors That Let You Deduct It Now

Even when an expense qualifies as an improvement under the BAR test, two elections can let you skip depreciation and take the deduction in one year. Both are annual elections, so you decide fresh each tax year whether to use them.

De Minimis Safe Harbor

Without audited financial statements (most individual landlords don’t have them), you can deduct any single item or invoice costing $2,500 or less as a current expense. Landlords with audited financials get a $5,000 per-item threshold.³ To claim it, attach a statement titled “Section 1.263(a)-1(f) de minimis safe harbor election” to your return. A new water heater installed for $1,800 can be written off entirely under this safe harbor.

Safe Harbor for Small Taxpayers

This election applies to the building as a whole and requires all three of the following:³

Average annual gross receipts of $10 million or less over the prior three tax years.
Unadjusted building basis of $1 million or less.
Total repair, maintenance, and improvement costs for that building during the year no greater than the lesser of $10,000 or 2% of the building’s unadjusted basis.

For a rental with an unadjusted basis of $300,000, the cap is $6,000. Stay under it and you can deduct the full amount for the year instead of capitalizing any of it.

Recovery Periods for Rental Improvements

If the improvement has to be capitalized, its recovery period determines how many years you spread the deduction across. Additions and improvements are treated as separate property items, so each one starts its own clock regardless of how old the building itself is.¹

Structural Improvements: 27.5 Years

Improvements to the building structure or its key systems get a 27.5-year recovery period under the General Depreciation System, using the straight-line method with a mid-month convention. The first and last years are prorated by the month the improvement was placed in service. A new roof placed in service in July gives you 5.5 months of depreciation in the first year.¹

Land Improvements: 15 Years

Improvements to the land itself, rather than the building, get a 15-year recovery period. Permanent fences, paved driveways, sidewalks, and landscaping all fall here. Basis includes the purchase price plus sales tax and installation charges.⁴

Shorter-Lived Components

Not everything inside a rental gets 27.5 years. Appliances typically qualify as 5-year property. Carpeting and cabinetry can fall into 5-year or 7-year recovery periods. A cost segregation study identifies these components and moves them out of the 27.5-year bucket, producing larger deductions in the early years of ownership.

Why Bonus Depreciation and Section 179 Rarely Help

Bonus depreciation under Section 168(k) covers “qualified property” with a recovery period of 20 years or less.⁵ Structural improvements to residential rental property have a 27.5-year recovery period, so they don’t qualify. The One, Big, Beautiful Bill restored 100% bonus depreciation for qualifying property placed in service after January 19, 2025, but it did not change the 20-year-or-less requirement.⁶ There’s one useful opening: components reclassified into 5-year, 7-year, or 15-year property through a cost segregation study do qualify for bonus depreciation.

Section 179 expensing for qualified real property is limited to improvements to nonresidential real property, like offices and retail buildings. Residential rental property is excluded.⁷ You can still use Section 179 for personal property inside the rental (appliances, for instance), but not for structural improvements.

How to Claim the Deduction

Form 4562

Each new improvement goes on Form 4562, Depreciation and Amortization. You enter a description, the date placed in service, cost, business-use percentage, and the resulting basis for depreciation.⁸

“Placed in service” means the day the improvement was ready and available for tenant use, not the day a tenant moved in. Finish a kitchen renovation on March 15 and advertise the unit that week, and March is when depreciation starts, even if the unit doesn’t rent until May.¹

You only file Form 4562 the year you first place an improvement in service or claim a Section 179 deduction. In later years, the depreciation carries forward on Schedule E without reattaching Form 4562, unless you add new depreciable assets that year.⁹

Schedule E

The annual depreciation calculated on Form 4562 goes on Line 18 of Schedule E, where it offsets rental income along with insurance, repairs, property taxes, and other deductible expenses.⁹

Form 8582 If Depreciation Creates a Loss

Depreciation often turns a modest rental profit into a paper loss. You’re exempt from filing Form 8582 only if your only passive activities are rental real estate in which you actively participate, your total rental loss is $25,000 or less, your modified adjusted gross income is $100,000 or less, and you have no prior-year unallowed passive losses or credits.¹⁰ Miss any of those, and Form 8582 determines how much of the loss actually reaches your return.

Passive Loss Limits That Can Cap the Deduction

If you actively participate in managing the rental (choosing tenants, approving repairs, setting lease terms), you can deduct up to $25,000 in rental losses against non-rental income each year. That allowance phases out when modified adjusted gross income exceeds $100,000 and disappears entirely at $150,000. Married taxpayers filing separately who lived apart the entire year get half those numbers, with a $12,500 allowance phasing out between $50,000 and $75,000 MAGI.¹¹

Losses you can’t use in the current year aren’t lost. They carry forward and can offset rental income in future years or be released when you sell the property.¹¹

Partial Disposition When You Replace a Component

When you replace a major component like a roof or furnace, the new item starts its own depreciation schedule. Without a further step, the old component’s remaining undepreciated basis stays buried in your overall property basis and keeps depreciating on the original schedule as if nothing had changed.

The partial disposition election under Treasury Regulation 1.168(i)-8 lets you recognize a loss on the disposed component.¹² If your original roof had $8,000 of undepreciated basis when you tore it off, the election lets you write off that $8,000 as a loss in the year of replacement. You make it on a timely filed return for that year. It’s easy to miss and expensive to correct later, so flag it whenever you replace a system or structural component.

Recapture When You Sell

Depreciation lowers taxable income each year, but the IRS collects that benefit back at sale. Total depreciation you claimed (or were allowed to claim) reduces your adjusted basis, which increases your taxable gain.

For residential rental property depreciated straight-line, the recaptured depreciation is taxed as unrecaptured Section 1250 gain at a maximum rate of 25%.¹³ Any gain above the recapture amount is taxed at regular long-term capital gains rates of 0%, 15%, or 20% depending on income.

Here’s the catch. Even if you never claimed depreciation, recapture is calculated on depreciation “allowed or allowable.” Skipping the annual deduction doesn’t spare you the recapture tax. It just means you paid more income tax along the way without getting the offsetting deduction. So taking depreciation each year isn’t really optional, even though nothing forces you to file Form 4562.

Catching Up on Missed Depreciation

If you failed to claim depreciation in prior years, don’t file amended returns. File Form 3115, Application for Change in Accounting Method, to switch from your current (incorrect) method to the correct one. The IRS treats this as an automatic consent change under Designated Change Number 7, so you don’t need advance permission or a user fee.¹⁴

The mechanism is a Section 481(a) adjustment. The IRS calculates the cumulative difference between what you should have taken and what you did take, then applies it as a single adjustment in the year of change. If you underclaimed, the adjustment is a deduction, and the entire catch-up generally lands in one year. You attach Form 3115 to a timely filed return and send a signed copy to the IRS National Office.¹⁴

Records to Keep

Keep receipts, invoices, contracts, and permit documentation for every improvement.² Record the exact date each improvement was placed in service and the total cost including materials, paid labor (not your own), sales tax, and installation fees.¹

The retention period for depreciation records is far longer than the general three-year rule most taxpayers know. Keep records related to depreciable property until the statute of limitations expires for the year you sell or dispose of the property.¹⁵ For a rental you hold for 20 years, that’s over two decades of records. You need them to calculate depreciation each year, to support a partial disposition election, and to determine gain or loss at sale. Digital backups of every contract, invoice, and Form 4562 filing are worth maintaining from day one, because reconstructing basis 15 years after the fact rarely ends well.

1
Internal Revenue Service. Publication 527, Residential Rental Property
2
Internal Revenue Service. Tips on Rental Real Estate Income, Deductions and Recordkeeping
3
Internal Revenue Service. Tangible Property Final Regulations
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Internal Revenue Service. Publication 946, How To Depreciate Property
5
Office of the Law Revision Counsel. 26 USC 168 – Accelerated Cost Recovery System
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Internal Revenue Service. Treasury, IRS Issue Guidance on the Additional First Year Depreciation Deduction Amended as Part of the One, Big, Beautiful Bill
7
Internal Revenue Service. Instructions for Form 4562
8
Internal Revenue Service. Instructions for Form 4562
9
Internal Revenue Service. Instructions for Schedule E (Form 1040)
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Internal Revenue Service. Instructions for Form 8582
11
Internal Revenue Service. Publication 925, Passive Activity and At-Risk Rules
12
eCFR. 26 CFR 1.168(i)-8 – Dispositions of MACRS Property
13
Internal Revenue Service. Topic No. 409, Capital Gains and Losses
14
Internal Revenue Service. Instructions for Form 3115, Application for Change in Accounting Method
15
Internal Revenue Service. How Long Should I Keep Records