Unrecaptured Section 1250 Gain: Definition and How the 25% Rate Works

Unrecaptured Section 1250 gain is the portion of gain from selling depreciable real property that equals previously deducted straight-line depreciation, taxed federally at a maximum rate of 25% under IRC §1(h)(1)(D). This rate is higher than the standard preferential long-term capital gain rates of 0%, 15%, or 20%, but lower than ordinary income rates of up to 37%. The term is specific to real property — the IRS designed it to partially recapture, at a moderate rate, the tax benefit of depreciation deductions taken over the life of the asset.

How Unrecaptured Section 1250 Gain Arises

When a taxpayer sells depreciable real property — commercial buildings, residential rental property, or structural components — the gain is analyzed in layers:

  1. Depreciation recapture (§1250 "additional depreciation"): Under IRC §1250, if a taxpayer used accelerated depreciation (more than straight-line), the excess over straight-line is taxed as ordinary income. For post-1986 MACRS property, straight-line is mandated for real property, so this layer rarely applies to modern real estate.
  2. Unrecaptured §1250 gain: The accumulated straight-line depreciation — which is not recaptured as ordinary income under §1250 — is taxed at up to 25% rather than at the 0%/15%/20% preferential rates.
  3. Remaining §1231 gain: Any appreciation above the original purchase price (the "true" capital appreciation) enters the Section 1231 hotchpot and is taxed at standard long-term capital gain rates.

Example: A taxpayer purchased a rental property for $400,000 and claimed $90,000 in MACRS straight-line depreciation. Adjusted tax basis is $310,000. The property sells for $500,000, generating a $190,000 gain. Of this: $90,000 is unrecaptured §1250 gain (taxed at up to 25%) and $100,000 is §1231 gain eligible for the 15%/20% preferential rate.

Which Property Types Produce This Gain

Unrecaptured §1250 gain applies to depreciable real property held longer than one year, including:

  • Residential rental property (depreciated over 27.5 years under MACRS)
  • Commercial real property (depreciated over 39 years under MACRS)
  • Qualified improvement property (15-year MACRS)
  • Land improvements (15-year MACRS)

It does not apply to personal property such as equipment, vehicles, or machinery — those assets are governed by §1245, which taxes all prior depreciation as ordinary income. It also does not apply to land, which is not depreciable.

A cost segregation study reclassifies portions of a building into shorter-lived §1245 personal property. Any depreciation on those reclassified components is §1245 recapture (ordinary income) when the property sells — not unrecaptured §1250 gain. This distinction is critical for projecting the tax liability on a real estate disposition.

The 25% Rate Is a Cap, Not a Floor

The 25% rate is a ceiling, not a guaranteed rate. A taxpayer in the 12% or 22% ordinary income bracket will pay their marginal rate on unrecaptured §1250 gain if that rate is below 25%. The 25% cap only limits the rate for higher-income taxpayers who would otherwise pay 28%, 32%, 35%, or 37% on ordinary income.

The computation is done on the Unrecaptured Section 1250 Gain Worksheet in the Schedule D Tax Worksheet instructions. The gain flows to Schedule D and is separated from the standard long-term capital gain calculation to ensure it is taxed at the correct rate.

Reporting: Form 4797 and Schedule D

The transaction starts on Form 4797 (Sales of Business Property):

  • Part I computes the §1231 gain
  • Part III computes any §1250 "additional depreciation" (ordinary income, rare for post-1986 property)

The unrecaptured §1250 gain amount then flows from Form 4797 to the Unrecaptured Section 1250 Gain Worksheet (Schedule D instructions), which calculates the tax at the correct rate. For pass-through entities (S corporations, partnerships, trusts), the unrecaptured §1250 gain character is passed through to owners on Schedule K-1, preserving the 25% rate treatment at the individual level.

Net Investment Income Tax Interaction

For taxpayers whose Modified Adjusted Gross Income (MAGI) exceeds $200,000 (single) or $250,000 (married filing jointly), the 3.8% Net Investment Income Tax (NIIT) under IRC §1411 applies to net investment income, which includes gain from real property sales. Unrecaptured §1250 gain is included in net investment income — so the effective federal rate on this gain can reach 28.8% (25% cap + 3.8% NIIT) for high-income taxpayers. See Net Investment Income Tax.

Planning Strategies

1031 exchange: A like-kind exchange under IRC §1031 defers both §1231 gain and unrecaptured §1250 gain. The accumulated depreciation carries into the replacement property's basis, preserving the tax liability for a future disposition. If the taxpayer holds the replacement property until death, the step-up in basis at death eliminates both gains entirely.

Installment sale: Under IRC §453, if a real property sale is structured as an installment sale, the unrecaptured §1250 gain component is spread proportionally across installment payments using the gross profit ratio. Unlike §1245 recapture (which must be recognized entirely in the year of sale), §1250 unrecaptured gain follows the installment method.

Charitable remainder trusts: Donating appreciated real estate to a charitable remainder trust can defer and potentially reduce the tax on unrecaptured §1250 gain, though the structure must meet strict IRC §664 requirements.

How CPAs and Brokers Use This in Practice

CPAs routinely calculate projected unrecaptured §1250 gain when advising clients considering a real estate disposition. The analysis determines whether a 1031 exchange, installment sale, or outright sale produces the best after-tax result. For S corporation or partnership real estate, tracking accumulated depreciation at the entity and owner level is essential so that K-1 amounts are correctly characterized on the owner's individual return.

Insurance brokers encounter unrecaptured §1250 gain indirectly when discussing buy-sell agreements or business succession for real estate-holding entities. Understanding how real estate gain is taxed helps brokers position life insurance and key person coverage as funding mechanisms for buyouts that would otherwise trigger a taxable disposition.

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