How to Capitalize an Asset: Thresholds, Safe Harbor, and Depreciation

To capitalize an asset, record the purchase on your balance sheet as a long-term resource instead of deducting it as an expense, then recover the cost over time through depreciation. The test has two parts: the item must benefit your business for more than twelve months, and its cost must exceed the capitalization threshold your business has set in writing. Get both right and the purchase moves through your books gradually, matching the expense to the years the asset actually earns its keep.

When a Purchase Should Be Capitalized

Every business purchase is either a capital expenditure or an operating expense. A capital expenditure buys something that will generate value across more than one accounting period: a delivery truck, a building renovation, a patent. An operating expense is used up in the current period and deducted right away: rent, utilities, office supplies.

Useful life draws the line. If the purchase will serve the business longer than twelve months, it belongs on the balance sheet as a capitalized asset. If it gets consumed within the year, it goes straight to the income statement. An industrial printer is a capital expenditure. The toner cartridges are not.

Set a Capitalization Threshold First

Useful life alone isn’t enough. A $30 stapler technically lasts for years, and nobody capitalizes a stapler. Before you can classify anything, your business needs a written capitalization policy that sets a minimum dollar amount below which purchases are expensed regardless of how long they last. Most mid-sized businesses set this somewhere between $2,500 and $5,000, though the right number depends on your size and how many small purchases you make.

Consistency is the whole point. Whatever threshold you pick, apply it the same way across every purchase, every year. Auditors and the IRS both look for consistent application. Capitalizing a $3,000 laptop in January and expensing a $3,000 monitor in September invites scrutiny. Write the policy down, name the dollar amount, and make sure everyone with purchasing authority knows the rule.

Calculate the Full Cost Basis

Once a purchase clears the threshold, you have to figure out how much to record. The cost basis is more than the sticker price. It’s every reasonable cost required to get the asset installed and ready for use.

Start with the purchase price, then add sales tax, shipping and freight, installation fees, site preparation, and any professional services needed to make the asset operational. Buy a commercial oven for a restaurant and the cost basis includes the purchase price, the delivery charge, the electrician’s fee to wire the outlet, and the plumber’s fee to connect the gas line. All of that is necessary to make the oven functional, so it all gets capitalized together.

Some related costs stay out. Employee training on how to operate new equipment is an operating expense, not part of the asset’s cost. Same for anything you spend after the asset is fully operational and placed in service. Spend $500 training staff on a CNC machine a week after it’s running, and that $500 is a current-period expense.

Getting this number right matters beyond the current year. Every depreciation calculation for the life of the asset flows from the cost basis, and it determines your taxable gain or loss whenever you eventually sell or dispose of the asset.

Record the Journal Entry

The bookkeeping itself is straightforward. Debit the appropriate fixed asset account (Equipment, Building, Vehicle) and credit either Cash or Accounts Payable depending on how you paid. A $45,000 delivery van bought with cash is a $45,000 debit to Vehicles and a $45,000 credit to Cash. The full cost basis, including all the ancillary charges above, goes into that single debit.

Nothing hits the income statement in the purchase year. The cost sits on the balance sheet and moves gradually into expense through depreciation over the asset’s useful life. That matching is the whole reason to capitalize: the expense lines up with the same periods the asset helps generate revenue.

Faster Ways to Deduct the Cost

Three tax provisions let you accelerate or skip depreciation entirely for property that would otherwise sit on the books for years. Most businesses use some combination of them.

The De Minimis Safe Harbor Election

The IRS offers a shortcut that lets you expense certain low-cost items immediately, even when they’d technically qualify for capitalization. The dollar threshold depends on whether your business has an Applicable Financial Statement, meaning an audited financial statement filed with a federal agency or a certified audited statement used for credit or shareholder reporting. Businesses with an AFS can expense items costing up to $5,000 per invoice or per item. Businesses without one can expense items up to $2,500 per invoice or per item.¹

If you have an AFS, you need written accounting procedures in place at the beginning of the tax year specifying your expense threshold.² Without an AFS, written procedures aren’t strictly required, but you still need a consistent accounting procedure at the start of the year, and you must treat the amounts as expenses on your books.¹

To make the election, attach a statement titled “Section 1.263(a)-1(f) de minimis safe harbor election” to your timely filed original federal tax return (including extensions). The statement needs your name, address, taxpayer identification number, and a declaration that you’re making the election. Once elected, it applies to all qualifying expenditures that year.¹ The safe harbor doesn’t apply to inventory or land, and any purchase above your applicable threshold reverts to standard capitalization rules.

Section 179

Section 179 lets you deduct the full cost of qualifying business property in the year you place it in service instead of spreading it over multiple years. For 2026, the maximum Section 179 deduction is $2,560,000 (inflation-adjusted from the $2,500,000 statutory base). The deduction phases out dollar-for-dollar once your total qualifying property placed in service during the year exceeds $4,090,000.³ Both figures are indexed for inflation.

Qualifying property includes most tangible business equipment, off-the-shelf computer software, and certain interior improvements to nonresidential buildings (HVAC, roofing, fire protection, and security systems installed after the building is placed in service). Building expansions, elevators, and structural framework changes don’t qualify. A separate $25,000 cap applies to sport utility vehicles, subject to its own inflation adjustment.³

One limitation: your Section 179 deduction for the year can’t exceed the taxable income from your active trades or businesses. If the deduction would create a loss, the unused portion carries forward.³

Bonus Depreciation

Bonus depreciation runs alongside Section 179 without the taxable-income limit. The One Big Beautiful Bill Act permanently restored 100% first-year bonus depreciation for qualified property acquired and placed in service after January 19, 2025.⁴

It applies to new and used property with a MACRS recovery period of 20 years or less, as well as certain computer software and qualified improvement property. Unlike Section 179, bonus depreciation can create or increase a net operating loss, which you can then carry forward. Section 179 is an election you make on the assets you choose; bonus depreciation applies automatically unless you elect out. Many businesses take Section 179 first up to the taxable-income limit, then let bonus depreciation handle the rest.

Depreciate What Remains

Any capitalized cost not immediately expensed through the safe harbor, Section 179, or bonus depreciation gets depreciated over the asset’s recovery period. The IRS assigns each type of business property to a class with a predetermined number of years. The most common MACRS recovery periods:⁵

5-year property: automobiles, trucks, computers, copiers, office machinery, and research equipment
7-year property: office furniture and fixtures (desks, filing cabinets, safes), and any property without an assigned class life
15-year property: land improvements like fences, roads, sidewalks, and landscaping
27.5-year property: residential rental buildings
39-year property: nonresidential commercial buildings

The default method depends on the property. Personal property (equipment, vehicles, furniture) uses the 200% declining balance method, which front-loads more expense into the early years and switches to straight-line when that produces a larger deduction. Real property (buildings) uses straight-line, spreading the cost evenly across the recovery period.⁶

The straight-line formula is (cost basis minus salvage value) divided by the number of years in the recovery period. Salvage value is what you expect the asset to be worth when you’re done with it. Capitalize a $70,000 machine with a $10,000 salvage value and a 7-year recovery period, and your annual depreciation is $8,571. For the accelerated calculation, the IRS builds the numbers into published tables, so you don’t need to run the declining balance formula yourself.⁵

Each period’s entry is the same regardless of method: debit Depreciation Expense (hitting your income statement) and credit Accumulated Depreciation (a contra-asset account that reduces the asset’s book value on the balance sheet). Over time the net book value falls toward the salvage value.

Intangibles Follow a Different Rule

Equipment and buildings are one world; intangibles are another. Under Section 197, acquired goodwill, trademarks, trade names, franchises, patents, and covenants not to compete are amortized ratably over 15 years beginning in the month of acquisition. You don’t get a shorter period even if the actual economic life is shorter. A patent acquired with eight years of legal protection remaining still amortizes over 15. Self-created intangibles like internally developed trademarks and trade names fall under the same 15-year rule.⁷ The entry mirrors depreciation: debit Amortization Expense and credit the intangible asset account directly.

When the Asset Leaves the Books

Eventually every capitalized asset is sold, scrapped, or replaced. When that happens, remove both the original cost and the accumulated depreciation from your books. The difference between what you receive and the asset’s remaining book value is your gain or loss.

Sell a fully depreciated delivery van for $5,000 and the entire $5,000 is a gain. If the van still had $8,000 of book value and you sold it for $5,000, you’d recognize a $3,000 loss. Either way, the result hits your income statement in the period of disposal.

When you replace a component of a larger asset, like a roof on a building, you can make a partial disposition election. This writes off the remaining undepreciated cost of the old component so you’re not depreciating something that no longer exists. Make the election by reporting the gain or loss on your timely filed return for the year of replacement; no special form is required. Skip the election and the old roof’s remaining cost stays on your books alongside the new roof, overstating the building’s value and generating depreciation on something sitting in a dumpster. Partial dispositions are mandatory in a few situations: casualty losses, like-kind exchanges involving a portion of an asset, and outright sales of a component.⁸

1
Internal Revenue Service. Tangible Property Final Regulations
2
eCFR. 26 CFR 1.263(a)-1 – Capital Expenditures; In General
3
Office of the Law Revision Counsel. 26 USC 179 – Election to Expense Certain Depreciable Business Assets
4
Internal Revenue Service. Notice 2026-11 – Interim Guidance on Additional First Year Depreciation Deduction
5
Internal Revenue Service. Publication 946 – How to Depreciate Property
6
Office of the Law Revision Counsel. 26 USC 168 – Accelerated Cost Recovery System
7
eCFR. 26 CFR 1.197-2 – Amortization of Goodwill and Certain Other Intangibles
8
Internal Revenue Service. Identifying a Taxpayer Electing a Partial Disposition of a Building