What Are Capital Expenses for Deduction Purposes?

A capital expense is money you spend to buy a long-lasting asset for your rental, or to improve the property by bettering it, restoring it, or adapting it to a new use. You recover a capital expense through depreciation over several years instead of deducting it all in the year you pay. A new roof, an added bathroom, and a replacement refrigerator are capital expenses; fixing a broken lock or repainting a room is generally deductible when the work neither directly benefits nor results from an improvement. Three IRS safe harbors let you deduct some capital-type costs immediately, including any item or invoice of $2,500 or less if you make the de minimis election.

What makes a rental cost a capital expense?

A cost is capital in two situations.

You acquire property that lasts more than a year. The building itself, the closing costs added to its basis (generally its cost for tax purposes), and appliances, carpet, and furniture you buy for the unit are all capital. Land is a capital cost too, but it is never depreciated; you recover it only when you sell.

You improve property you already own. Under the IRS tangible property regulations, work is an improvement if it does one of three things:

• Betterment: fixes a material (significant) condition or defect that existed when you bought the property, enlarges or expands it, or materially increases its capacity, strength, or quality. Adding a deck, finishing a basement into living space, and fixing a significant foundation problem that was there before you bought the house all fall here.
• Restoration: replaces a major component or a substantial structural part, rebuilds the property to like-new condition, or repairs damage after you deducted a casualty loss for it. Replacing the entire roof or the whole HVAC system is a restoration.
• Adaptation: changes the property to a use that doesn't match how you used it when you first placed it in service, such as converting a rental house into a dental office.

Other work that keeps the property in its ordinarily efficient operating condition is generally a repair or maintenance cost, deducted on Schedule E for the year you pay it. Repairs that directly benefit or result from an improvement must be capitalized with it unless an applicable safe harbor permits deduction.

Apply the tests to the right part of the building

For buildings, the IRS applies these tests separately to the building structure and to each key building system: plumbing, electrical, HVAC, elevators, escalators, fire protection and alarms, gas distribution, and security. That is why replacing one failed air-conditioner part is usually a repair, while replacing the whole HVAC system is an improvement. Measured against the HVAC system alone, the full replacement is a major component.

Repair or capital expense: common landlord examples

Real cases depend on the facts: the size of the job compared with the whole system, and whether the property was in working order before the work. Keep the invoice for each job with a short note on what failed and what was replaced, so you can show why you treated it as a repair or an improvement. For the maintenance side of the same decisions, see how to maintain and repair your rental.

Which safe harbors let you deduct capital costs right away?

De minimis safe harbor: $2,500 per item or invoice

If you elect it, you can deduct any item or invoice of $2,500 or less, even if the item would otherwise be depreciated. Landlords without audited financial statements use the $2,500 limit; the limit is $5,000 for businesses with an applicable financial statement, such as a certified audit. A $1,100 refrigerator or a $900 sofa for a furnished unit can be written off the year you buy it instead of over 5 years. The safe harbor can also cover qualifying improvement costs, including parts and materials. Section 263A may still require you to capitalize them as costs of other property you produce or acquire for resale.

To use it, you need an accounting practice at the start of the year of expensing items under your chosen dollar amount in your books, and you attach a statement titled "Section 1.263(a)-1(f) de minimis safe harbor election" to your timely filed return, including extensions. The election is made each year and covers every qualifying purchase that year. Publication 527 says to deduct these amounts on Schedule E, line 19.

Routine maintenance safe harbor

Recurring work you expect to do to keep a building system or the structure in normal working order is deductible, even if it would otherwise count as a restoration, if you expected when you placed the building in service to do that work more than once in 10 years. Scheduled furnace servicing that includes replacing worn parts, or resealing a flat roof on a regular cycle, are typical examples. The safe harbor never covers betterments, and no election statement is needed.

Small taxpayer safe harbor

This one lets you deduct everything you spend on a building in a year, improvements included, when all three conditions are met:

1. Your average annual gross receipts are $10 million or less.
2. The building's unadjusted basis is $1 million or less. For a building you bought, this generally means its purchase cost plus eligible closing costs and capital improvements, excluding land and before subtracting depreciation.
3. Your total spending that year on repairs, maintenance, and improvements to that building is no more than the lesser of 2% of its unadjusted basis or $10,000.

Example. A rental house with an unadjusted basis of $300,000 has a cap of $6,000 (2% of $300,000, which is less than $10,000). If you spend $4,500 on a new water heater and $1,200 on other repairs, the $5,700 total is under the cap, and you can deduct all of it. If the total were $6,500, the safe harbor would not apply to any of that building's costs for the year, and each item would go back through the normal repair-or-improvement analysis. You elect it each year, building by building, with a statement attached to your timely filed return.

How are capital expenses recovered?

Capital costs you can't deduct under a safe harbor are depreciated. The building and its structural components, including a replacement roof or HVAC system, use 27.5 years; appliances, carpet, and furniture use 5 years; fences, driveways, and shrubbery use 15 years. See how long each depreciation period lasts and how to calculate rental property depreciation for the math.

Shorter-lived items can often be written off faster. Publication 946 allows a 100% special depreciation allowance (bonus depreciation) for qualified property with a recovery period of 20 years or less acquired and placed in service after January 19, 2025, unless you elect out, so appliances, carpet, and fences can qualify while the building and roof cannot. Section 179 expensing is a separate election with its own limits.

Capitalized costs increase your basis, but depreciation you deducted or could have deducted, including bonus depreciation, reduces it. Only the remaining basis from those costs reduces your gain when you sell. Publication 527 tells landlords to keep repair and improvement costs separate in their records, because you need the improvement totals both for depreciation and for figuring gain at sale. For how capital costs fit with the rest of your write-offs, see what rental expenses you can deduct as a landlord.