§1231 Gains and Losses: Business Property Character Rules (2026)

Section 1231 is the provision that gives business property sales their character as long-term capital gain or ordinary loss - whichever is more favorable to the taxpayer in a given year. When business property is sold at a net gain for the year, that gain is long-term capital gain. When it is sold at a net loss, the loss is ordinary - fully deductible against ordinary income without the $3,000 annual cap that limits capital losses. But §1231 operates after the recapture rules under §§1245 and 1250 have already extracted the ordinary income portion. Understanding the hierarchy is essential to predicting the actual tax character of any business asset sale.

The §1231 Hierarchy: Three Layers

Layer 1 - §1245 recapture (ordinary income first): All depreciation taken on personal property (equipment, vehicles, §179 expensing, bonus depreciation) is recaptured as ordinary income in the year of sale, up to the total gain. This comes off the top before §1231 applies to the remainder.

Layer 2 - §1250 recapture (real property): For real property held after 1986 under MACRS, there is no §1250 recapture in the classic sense (MACRS uses straight-line for real property). However, unrecaptured §1250 gain (accumulated straight-line depreciation on real property) is taxed at a maximum 25% rate - it is capital gain but not at the preferential 0%/15%/20% qualified rates.

Layer 3 - §1231 gain: Whatever remains after §1245 and §1250 recapture is §1231 gain. Net §1231 gains for the year are long-term capital gain. Net §1231 losses are ordinary loss.

What Is §1231 Property

Section 1231 property is real or depreciable property used in a trade or business and held for more than one year. This includes: buildings and structures, land used in business, equipment, vehicles, furniture and fixtures, and certain timber, livestock, and unharvested crops. It does not include: inventory (always ordinary), property held primarily for sale to customers (dealer property), or copyrights and creative works held by the person who created them.

The Annual Netting Rule

At year end, all §1231 gains and losses from all business property transactions are netted together. If the result is a net gain: treated as long-term capital gain - taxed at 0%, 15%, or 20% depending on income level. If the result is a net loss: treated as ordinary loss - deductible in full against ordinary income, not subject to the capital loss $3,000 annual cap. This asymmetry is the core planning advantage of §1231.

The loss-as-ordinary/gain-as-capital asymmetry is one of the most valuable provisions in the Code for business owners. A business that sells multiple assets in the same year can time transactions to produce a net §1231 loss in a high-income year (full ordinary deduction) and net §1231 gains in a low-income year (capital gain rates). Unlike capital loss limitations, a §1231 loss can offset W-2 income, S-corp income, and other ordinary income without limit.

The 5-Year Look-Back Recapture Rule

IRC §1231(c) contains a trap that catches many taxpayers who benefited from §1231 ordinary loss treatment in prior years. If you had net §1231 losses in any of the five preceding tax years that were treated as ordinary losses, current-year §1231 gains are recharacterized as ordinary income to the extent of those prior ordinary losses - the "look-back recapture." This prevents a taxpayer from taking an ordinary loss deduction in a high-income year and then getting long-term capital gain treatment in a low-income year on what is economically the same appreciation.

Track your §1231 loss history across five years. If you recognized a §1231 ordinary loss in 2022 or 2023, gains from 2026 asset sales may be partially or fully recharacterized as ordinary income through the look-back rule. This is frequently missed in tax planning conversations - practitioners should pull the prior five years of Form 4797 before advising on business asset sales.

§1245 Recapture: Personal Property

When depreciable personal property (equipment, vehicles, furniture, §179 property, bonus depreciation property) is sold at a gain, §1245 requires the seller to recognize ordinary income equal to the lesser of: (a) the total gain on the sale, or (b) the total depreciation and §179/bonus deductions previously taken. This is true regardless of the §1231 netting result. A piece of equipment bought for $100,000, fully depreciated under §179, and sold for $80,000 produces $80,000 of §1245 ordinary income - there is no §1231 treatment at all because the entire gain is within the depreciation taken.

§1250 Recapture: Real Property

For real property placed in service after 1986 under MACRS, §1250 recapture in the traditional sense (ordinary income on excess depreciation over straight-line) rarely applies because MACRS already uses straight-line for residential and commercial real estate. However, §1(h)(1)(D) creates the concept of "unrecaptured §1250 gain" - the accumulated straight-line depreciation on real property - which is taxed at a maximum rate of 25% rather than the 0%/15%/20% capital gain rates. This 25% rate applies to the extent of prior MACRS depreciation on real property, regardless of how long the property was held.

Authority: IRC §1231 (gains and losses from sales or exchanges of certain property - depreciable property and real property used in trade or business held more than 1 year; annual netting; net gain treated as long-term capital gain; net loss treated as ordinary loss; §1231(a)(1) and §1231(a)(2)); IRC §1231(b) (§1231 property defined - real property and depreciable property used in trade or business and held more than 1 year; exclusions for inventory, property held primarily for sale, copyrights created by taxpayer); IRC §1231(c) (recapture of net §1231 losses from five preceding tax years - current-year §1231 gain recharacterized as ordinary income to extent of prior ordinary §1231 losses; prevents ordinary loss/capital gain cycling); IRC §1245 (gain from dispositions of certain depreciable property - ordinary income equal to lesser of total gain or depreciation previously allowed; applies to all §179 expensing and bonus depreciation; applies to personal property and certain real property); IRC §1245(a)(1) (recapture amount equals accumulated depreciation up to gain recognized); IRC §1250 (gain from dispositions of certain depreciable realty - excess depreciation over straight-line is ordinary income; for post-1986 MACRS real property, §1250 ordinary recapture is typically zero because MACRS already uses straight-line); IRC §1(h)(1)(D) (unrecaptured §1250 gain - 25% maximum rate on accumulated straight-line depreciation on real property; capital gain but at higher rate than preferential 0%/15%/20%); Form 4797 (Sales of Business Property - annual computation of §1231 gains and losses; §1245 and §1250 recapture; netting of gains and losses; transfer to Schedule D).