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Section 1033 Condemnation Award Replacement Property Rules and Timeline

The two replacement tests, severance damages and special assessments on a partial taking, the period arithmetic, the election and the amended-return duty.

By Breakwater Exchange · Reviewed by our 1031 advisory team · Last reviewed

The short answer

Two tests decide what you may buy. The default is property similar or related in service or use, judged for an owner-investor by whether the new property carries the same business risks, management burden and tenant services as the old one. Condemned real property held for business or investment escapes that test: section 1033(g) substitutes the like-kind standard of section 1031, but only for seizure, requisition or condemnation, never destruction. The period ends two years after the close of the first tax year in which any part of the gain is realized, three years in the like-kind case, and you elect by leaving the gain out of income with a statement attached. The replacement that fits is a whole property; a DST interest has no authority under section 1033 and needs a counsel opinion. For the owner's sequence from the first agency letter to the award, see the eminent domain page.

At a glance

Default testSimilar or related in service or use, under section 1033(a)
Owner-investor version of the testSame business risks, same management activity and same services to tenants, per Publication 544
Condemned real propertyLike-kind real property held for business or investment qualifies, under section 1033(g)
Destruction excludedReg. section 1.1033(g)-1 applies the like-kind rule to seizure, requisition or condemnation but not destruction
Severance damagesNet severance damages are the amount realized on the retained property and reduce its basis; any excess is gain
Special assessmentsAn assessment the agency withholds from the award is subtracted in computing the net award
Extension requestFiled before the period expires, with reasonable cause, under Reg. section 1.1033(a)-2
Outdoor advertising displaysAn election under Reg. section 1.1033(g)-1 treats them as real property for replacement

The similar-use test asks what the property does for you, and for an investor that means risk, management and services

Section 1033(a)(2)(A) defers gain when, for the purpose of replacing the converted property, you purchase other property similar or related in service or use. Publication 544 splits the test by who you are. An owner-user must buy property that functions in the same way as the property it replaces; a warehouse the business ran is replaced by a warehouse the business will run. An owner-investor must buy property that keeps the same relationship to the owner, compared by the business risks, the management the owner provides and the services the owner performs for tenants.

That investor test is where passive replacements struggle. A landlord who managed a 12-unit building, screened tenants and handled repairs is in a different relationship with a net-leased pharmacy whose tenant does everything, and the test looks at the relationship rather than the asset class. For a destroyed rental the test applies in full, which is why the insurance proceeds guide treats a passive replacement as the weaker position.

Condemnation of business or investment real property swaps in the like-kind standard, and destruction does not

Section 1033(g)(1) provides that where real property held for productive use in a trade or business or for investment is compulsorily or involuntarily converted by seizure, requisition or condemnation, or the threat or imminence of it, property of a like kind to be held for either purpose is treated as similar or related in service or use. Reg. section 1.1033(g)-1 repeats the rule with the parenthetical that matters: seizure, requisition or condemnation, but not destruction, and it points to the section 1031 regulations for what like kind means.

The same regulation carries a narrow election many owners never see: a taxpayer may elect to treat an outdoor advertising display, a rigidly assembled sign or device used to display advertising, as real property, after which real property of a like kind counts as its replacement. Billboard owners whose structures are taken for a road widening should raise it with their CPA.

Partial takings: severance damages and special assessments change the amount you must replace

When only part of a parcel is taken, the award often has two parts: payment for the land taken and severance damages for the loss in value of what you keep. Publication 544 treats net severance damages as the amount realized from an involuntary conversion of the retained property. You first reduce the basis of the retained property by the net severance damages, and if the damages exceed that basis the excess is gain, which can be postponed by buying replacement property. If the damage falls on a specific part of the retained land, only that part's basis is reduced.

Special assessments cut the other way. Reg. section 1.1033(a)-2 and Publication 544 both provide that where the government retains funds from the award to satisfy a special assessment levied against the remaining property, for a street widening or sewer for example, the amount retained is deducted from the gross award in determining the net award. An assessment you pay separately does not change the net award.

The net award, meaning the gross award less the costs of obtaining it, is the amount realized on the part taken. Gain on that part is the net award less the basis allocated to it, and the allocation between the part taken and the part kept is a factual exercise that the appraisal in the condemnation file usually supports.

The period is counted from a tax-year end, and an extension must be asked for before it runs out

Section 1033(a)(2)(B) runs the replacement period from the earlier of the disposition of the converted property or the earliest date of the threat or imminence of requisition or condemnation, and ends it two years after the close of the first taxable year in which any part of the gain upon the conversion is realized. Section 1033(g)(4) substitutes three years for the condemned real property described in section 1033(g)(1). Main homes in federally declared disaster areas have a four-year period under section 1033(h) that the condemned-or-destroyed answer covers.

Reg. section 1.1033(a)-2(c)(3) permits an application for an extension, made before the period expires unless reasonable cause for lateness is shown, and granted only on a showing of reasonable cause for not replacing within the period. A scarce market, a pending zoning approval or a title dispute on the chosen replacement are the kinds of facts the application should document.

Electing, reporting and undoing: the statement, the amended return and the related-party bar

Under Reg. section 1.1033(a)-2(c)(2) you elect by including in gross income for the year only the gain that the statute recognizes, and reporting the details of the conversion on that year's return; Publication 544 describes the statement that shows the conversion, the award and the replacement plan. If you then fail to replace within the period, or replace for less than the amount realized, the tax for the election year is recomputed on an amended return.

Two further rules shape the purchase. Section 1033(i) denies deferral when the replacement is acquired from a related person, for an individual once the realized gain on converted property for the year exceeds $100,000, unless the related person bought it from an unrelated person during the replacement period. And section 1033(b)(2) sets the replacement's basis at its cost decreased by the gain not recognized, so the deferred gain carries into the new property.

Hypothetical, round numbers: a strip of a $900,000 rental parcel with a $300,000 basis is taken for $200,000, plus $100,000 of severance damages, less a $20,000 sewer assessment the county withholds. Allocate $60,000 of basis to the strip. The net award for the strip is $180,000 and its gain $120,000; the $100,000 of severance damages reduces the retained basis from $240,000 to $140,000 with no gain. Buying $180,000 of like-kind real property by the end of the third year after the year of receipt defers the $120,000; buying nothing means an amended return for that year. Work the allocation with your CPA and the appraisal before you file.

What the rules mean for the replacement you choose, and the DST question that stays open

For a condemned rental or business parcel the like-kind standard makes a whole property the straightforward replacement: fee title to real estate, bought in the owner's name or through an entity counsel approves, costing at least the net award. Owners who want fee title without hands-on management can look at a direct title security, which the client structures around a single property held in an entity the investor controls; whether a given structure is like-kind real property is a question for the owner's counsel on the actual documents.

A DST interest sits in a gap. Rev. Rul. 2004-86 treats the holder as owning an undivided fractional interest in the trust's real property for section 1031; nothing extends that to section 1033, which speaks of purchasing property, and no ruling or case has tested it. The DST for 1033 proceeds answer lays out both sides. Treat the question as open and get a written opinion before committing an award to a trust interest, which is also illiquid, can see its distributions reduced and can lose principal.

Related questions

My building burned and I want a net-leased replacement. Which test applies?

The similar-use test, because the like-kind substitute in section 1033(g) covers seizure, requisition and condemnation but not destruction. For an owner-investor the comparison is business risk, management and tenant services, and a passive net lease replacing a managed building is a weak match.

Do severance damages have to be reinvested?

Only to the extent they exceed the basis of the property you keep. Net severance damages first reduce that basis; any excess is gain from an involuntary conversion that can be deferred by buying replacement property.

When exactly does my three-year period end?

Three years after the close of the first tax year in which any part of the gain is realized. For a calendar-year owner who receives any of the award in 2026, that is December 31, 2029.

Can I ask for more time if I cannot find a replacement?

Yes, by an application under Reg. section 1.1033(a)-2(c)(3) filed before the period ends, showing reasonable cause for not replacing in time. A late application is accepted only with reasonable cause for the lateness as well.

Can I buy the replacement from my brother?

Not if your realized gain on converted property for the year exceeds $100,000, unless your brother bought the property from an unrelated person during your replacement period. Below that threshold the bar does not apply to individuals.

Sources

Checked against these publications on October 8, 2026. Rules and figures change; confirm the current version with your CPA or attorney before you act. This page is general information, not tax or legal advice.

  1. 26 U.S.C. section 1033 (involuntary conversions)
  2. Treas. Reg. section 1.1033(a)-1 (involuntary conversions; nonrecognition of gain)
  3. Treas. Reg. section 1.1033(a)-2 (involuntary conversion into similar property, money or other property)
  4. Treas. Reg. section 1.1033(g)-1 (condemnation of real property held for productive use in trade or business or for investment)
  5. IRS Publication 544, Sales and Other Dispositions of Assets (involuntary conversions)
  6. Rev. Rul. 2004-86, 2004-33 I.R.B. 191 (Delaware statutory trust interests and section 1031)

Working out a condemnation award?

Send the award breakdown and the taking date and we will outline the replacement routes that fit the period you have, and flag the ones that need a counsel opinion.

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