What counts as a threat of condemnation under section 1033?

The statute says "threat or imminence", and the IRS reads that as a decision communicated to you

Section 1033(a) covers property converted through "seizure, requisition, or condemnation or threat or imminence thereof", and section 1033(a)(2)(E)(ii) treats "the sale or exchange of such property under threat or imminence of requisition or condemnation" as the disposition. The word threat is doing a lot of work, and Publication 544 gives it content: an authorized representative or official informs you the body has decided to acquire your property, and you reasonably believe that refusing to sell will lead to condemnation.

Both halves are needed. A corridor study or a councillor's remark that your block is in the way is not a decision communicated by someone with authority to acquire. An offer letter from the agency's right-of-way office, citing its statutory power and stating that it will condemn if terms cannot be agreed, is the paradigm case.

Publication 544 accepts that the information may come to you through the press, but only if "a representative of a government body or a public official" then confirms it. If you rely on oral statements, "the IRS may ask you to get written confirmation", so ask for the letter at the time rather than years later.

You do not have to sell to the authority for the sale to be involuntary

A common pattern is a sale to a private buyer, often a developer or an adjoining owner, after the threat has been made but before the taking. Publication 544 says such a sale "will also qualify as an involuntary conversion, provided you have reasonable grounds to believe that your property will be condemned", and the same is true where the buyer knew the property would be condemned and resold it to the authority.

What matters is your reasonable belief at the time of sale, judged on what you knew then. Keep the authority's letters, minutes or resolutions showing the decision, because they are the evidence that the belief was reasonable.

Granting an easement under the same pressure is treated the same way. Publication 544 says that where an easement is granted under condemnation or threat of it, "you are considered to have made a forced sale, even though you keep the legal title", and the gain or loss is a condemnation gain or loss. Pipeline and transmission-line easements are usually taken this way; exchanging easements and air rights under section 1031 covers the voluntary version.

The date of the threat is the earliest the replacement period can begin

Section 1033(a)(2)(B) opens the replacement period on "the date of the disposition of the converted property, or the earliest date of the threat or imminence of requisition or condemnation", whichever is earlier. The period's end is tied to the first tax year in which any gain is realized, so an early threat date does not shorten the window; what it does is widen the set of purchases that can count.

Under section 1033(a)(2)(A)(i) property bought before the disposition is replacement property only if you still hold it on the disposition date, and Publication 544 frames the same rule as a purchase made "after there is a threat of condemnation". Hypothetically, a transit agency writes to you in March 2026 stating it has resolved to acquire your warehouse and will condemn if necessary; you buy another warehouse in September 2026; the taking closes in May 2027. The September purchase counts because it followed the threat and was still held at the taking. A purchase in January 2026, before the letter, would not.

What happens when the award is paid in installments explains how the gain year is fixed, and the replacement property rules and timeline page carries the full timeline.

A sale under threat of real property gets the like-kind rule and the third year

Reg. section 1.1033(g)-1(a) defines a disposition, for the like-kind rule, as the seizure, requisition or condemnation of real property held for business or investment, "or the sale or exchange of such property under threat or imminence" of one of those. A negotiated sale that meets the threat test therefore gets the same two advantages a formal taking gets: replacement property judged by the like-kind standard of section 1031, and three years rather than two under section 1033(g)(4).

That is why the threat finding is worth documenting even when you expected to sell anyway. Without it the sale is voluntary, deferral needs a 1031 exchange with an intermediary and 45 and 180-day deadlines, and the proceeds cannot pass through your hands. With it you may hold the money and have three years, as the qualified intermediary question under section 1033 explains. Property held primarily for sale is excluded from the like-kind rule by section 1033(g)(1).

Situations the sources do not settle

Publication 544 speaks of a government body or public official. Many pipeline, electric and railroad takings are by private companies exercising delegated eminent-domain power, and whether a letter from such a company is a threat for section 1033 is not addressed in the text opened for this page. Treat it as a question for tax counsel, and ask the company to cite the statute it is acting under.

Two more open points: how far a representative's authority must be established before you may rely on it, and whether a withdrawn threat still supports a sale made in the meantime. The practical rule is the same in every case: get the decision in writing from the acquiring body, dated, before you sign. Property taken by eminent domain picks up the decision from there.

If the money is destined for a DST interest, the interest is illiquid, the equity can be lost, and whether a trust interest is section 1033 replacement property has no published answer; raise it with your tax counsel.