In this guide
- Why the direct exchange fails
- The two-step path: 1031 → DST → 721 → OP units
- How the 721 contribution actually works
- The one-way door
- The timeline, end to end
- What you gain, what you give up
- Optional vs. mandatory 721 programs — read the documents
- Who the UPREIT endgame fits
- Frequently asked questions
Why the direct exchange fails
Section 1031 applies to real property held for investment or business use — and since 2018, only real property. A REIT share is a security: personal property, however real the buildings underneath it (the full DST vs REIT comparison covers ownership, income character, and liquidity side by side). Wiring exchange proceeds into REIT stock isn't a flawed exchange; it's no exchange at all — a taxable sale followed by a stock purchase, with the full recapture-first tax stack due for the year of sale. The same logic bars partnership interests, real estate mutual funds, and ETFs. One asymmetry worth knowing: real estate a REIT is selling is ordinary real property — you can absolutely 1031 into a building whose seller happens to be a REIT. What you can't do directly is exchange into ownership of the REIT. For that, the tax code offers a different section entirely.
The two-step path: 1031 → DST → 721 → OP units
Step one is a normal exchange: sell your property and 1031 into a Delaware Statutory Trust interest — like-kind real estate under Rev. Rul. 2004-86, closeable inside your 45-day identification window, full deferral preserved. Step two comes years later: the REIT sponsoring the program acquires the trust's property, and instead of cashing you out, offers (or requires — see below) that you contribute your interest to its operating partnership under §721, receiving OP units. A §721 contribution to a partnership is tax-free by its own statute — no gain recognized, your old basis carries into the units. Net result across both steps: from a fee-simple building to units economically mirroring a diversified REIT, with the original gain still deferred and not a dollar of tax paid on the way.
How the 721 contribution actually works
Most large REITs are structured as UPREITs — the REIT itself owns little real estate directly; an umbrella operating partnership holds the portfolio, and the REIT is its general partner. That architecture exists precisely to absorb property tax-free: contributors receive OP units that typically pay the same distributions as REIT shares and are convertible into shares (or cash, at the REIT's election) one-for-one. The conversion is the tax event — exchanging units for shares recognizes the deferred gain — so long-term holders simply keep units, collect distributions, and treat convertibility as a liquidity option to be exercised in slices if ever. Depreciation keeps flowing through the partnership, your carried-over basis stays low, and the K-1 replaces the DST's simpler reporting — one of several operational changes your CPA will notice before you do.
The one-way door
Here is the sentence to read twice before signing anything: once you hold OP units, you can never do a 1031 exchange with that capital again. Units are partnership interests; shares are securities; neither is like-kind to anything. The exits from an UPREIT position are exactly three: sell or convert (recognizing every dollar of gain deferred across every exchange in the chain, at whatever rates then apply); hold for income indefinitely; or hold until death, when the basis step-up under current law delivers the chain's famous ending — heirs take units at market basis and the deferred tax evaporates (the policy durability of that ending is its own question — see the policy watch page). Compare that with staying in DSTs or fee-simple property, where every trust sale or building sale opens another 45-day window and the exchange treadmill keeps running at your option. The 721 trades optionality for permanence; it should be chosen the way permanence is chosen.
The timeline, end to end
| Phase | What happens | Tax result |
|---|---|---|
| Year 0 | Sell your property; 1031 into a 721-program DST via your QI, inside the 45/180-day windows | Full deferral |
| Years 0–2/3 | Hold the DST as genuine investment real estate; collect distributions | Rental income taxed normally; depreciation flows through |
| Year ~2–3 | REIT's operating partnership acquires the trust property; you contribute your interest under §721 for OP units | No gain recognized; basis carries over |
| Years 3+ | Hold units; distributions continue; convert slices to shares/cash only if liquidity is needed | Conversions/sales taxable as they occur |
| Endgame | Hold until death | Basis step-up under current law — deferred gain eliminated for heirs |
What you gain, what you give up
Gained: diversification across an institutional portfolio instead of one trust's properties; distributions backed by that whole portfolio; a liquidity option no building or DST offers (convert units in any increment, on your schedule, after any lockup); freedom from every future 45-day scramble; and the cleanest estate asset in real estate — units divide among heirs without co-owning buildings. Given up: all future exchanges; control over the tax timing of a forced unit redemption in some structures; DST-style simple reporting (K-1s now); exposure to the REIT's share-price and rate sensitivity rather than one property's appraisal; and a second layer of fees — the REIT's — on top of what the DST's fee load already cost on the way in. None of this is disqualifying; all of it belongs in the comparison the sales material won't run for you.
Optional vs. mandatory 721 programs — read the documents
DST programs marketed with a REIT affiliation come in two shapes, and the difference is the whole ballgame. In an optional program, when the trust's property is sold you choose: take proceeds and 1031 onward, or accept the 721 roll. In a mandatory (or practically mandatory) program, the 721 contribution is baked into the exit — buying the DST was the decision to end your exchange chain, whether or not that page of the private placement memorandum got read aloud. Neither structure is wrong; undisclosed permanence is. The diligence questions: is the 721 optional at my election, what's the lockup on converting units, at whose election is cash vs. shares, and what happens if I die between the DST and the roll. A sponsor who answers those crisply in writing is telling you something; so is one who doesn't — the sponsor directory covers how to compare the firms behind these programs.
Who the UPREIT endgame fits
The honest profile: an investor done with real estate operations permanently, whose plan is income now and the step-up later; who values liquidity-in-slices over exchange optionality; whose estate benefits from divisible units rather than buildings; and who accepts REIT-market risk as the price of diversification. That's a real and large constituency — it's the natural final chapter of the “swap till you drop” story for owners who no longer want the swapping. The wrong profile is just as clear: anyone who might want to buy real estate again, harvest a partial cash-out through a future exchange, or keep tax-timing control. If you're not sure which investor you are, the answer is to stay one more round in exchangeable property — the door into the UPREIT is always open next cycle; the door out doesn't exist.