Handing a Building to a Trust for Units Instead of Cash
An owner with a highly appreciated property faces a large tax bill on sale. Contributing it to a real estate partnership in exchange for units defers that tax while converting an illiquid building into something closer to a security.
The Owner Who Cannot Afford to Sell
Consider a family that built an apartment portfolio over forty years. The buildings were depreciated for tax purposes throughout, so the tax basis is close to zero while the market value is very large.
Selling triggers capital gains tax on the full appreciation plus depreciation recapture on everything previously deducted. The combined bill can consume a substantial share of the proceeds.
So the family is locked in. It cannot diversify, cannot retire from active management, and cannot easily divide the asset among heirs. Meanwhile a listed real estate trust would very much like to own those buildings and can only offer cash, which triggers exactly the tax the family is trying to avoid.
The Structure That Resolves It
The umbrella partnership real estate investment trust, universally called an UPREIT, restructures the trust so it does not hold property directly. Instead the trust is the general partner of an operating partnership, and the operating partnership owns the real estate.
A property owner contributes a building to the operating partnership and receives operating partnership units rather than cash or shares. Under partnership tax rules, contributing property to a partnership in exchange for a partnership interest is generally not a taxable event.
The owner has converted a single building into a proportionate interest in a diversified portfolio, without a sale and without a tax bill.
| Selling for Cash | Contributing for Units | |
|---|---|---|
| Immediate tax | Capital gain plus recapture | Generally deferred |
| Diversification | Yes, after tax | Yes, immediately |
| Liquidity | Immediate | After a lockup, via conversion |
| Ongoing income | Whatever the proceeds are invested in | Distributions matching the trust |
How the Units Behave
Operating partnership units are economically equivalent to the trust listed shares. They receive distributions at the same rate and their value tracks the share price.
They are not shares, which matters in several ways. They do not carry a vote in the trust. They are not listed, so they cannot be sold on an exchange. And after a lockup period, typically one year, the holder can generally require redemption, with the trust electing to satisfy it in cash or in listed shares.
That redemption is the moment the deferral ends. Converting units into shares or cash is a taxable disposition, which means the deferral lasts precisely as long as the holder is willing to keep holding units.
The structure does not eliminate the tax. It converts an unavoidable event into an event the holder controls the timing of, which for an elderly owner planning an estate is very nearly the same thing.
The Estate Planning Endpoint
The reason this matters so much to family owners is what happens on death. Under current rules, assets receive a step up in basis to fair market value when the owner dies, eliminating the built in gain for the heirs.
An owner who contributes property for units, holds them for life, and passes them to heirs has therefore converted an illiquid concentrated building into a diversified income producing asset, avoided tax throughout, and delivered it to the next generation with the gain permanently erased.
That sequence is the actual reason the structure exists in the form it does, and it explains why holders frequently decline to convert even when they could.
The Complication Nobody Mentions at Closing
The deferral is not free of consequences, and the sharpest one concerns debt.
A contributed property usually carries a mortgage. When the operating partnership assumes that debt, the contributor share of partnership liabilities changes, and if the relief exceeds the contributor basis, gain is recognised immediately. Managing this requires careful structuring, often including debt guarantees under which the contributor personally guarantees a portion of partnership debt in order to maintain the allocation of liabilities that supports their basis.
Those guarantees create a strange position: a passive investor who is personally on the hook for debt on a property they no longer control, purely for tax reasons.
There are also tax protection agreements, under which the trust agrees not to sell the contributed property for a defined period, or to indemnify the contributor if it does. These can constrain the trust portfolio management for a decade or more, and they are a real limitation on an acquirer that an outside investor should know about.
Why It Mattered Strategically
The structure was not merely a tax convenience, it changed what listed real estate trusts could acquire. Before it existed, a trust competing for a family owned portfolio had to offer enough cash to make the seller whole after tax, which meant paying a premium a rational buyer would not pay.
With units available, the trust can offer an economically equivalent consideration that is worth substantially more to the seller after tax, and therefore win the asset at a lower gross price. That is a genuine competitive advantage over private buyers who cannot offer the same structure, and it is one reason listed trusts consolidated so much family owned property.
The Bottom Line
The UPREIT is a tax structure that solved a real transaction problem: owners of appreciated property could not afford to sell, and buyers could not afford to pay them enough to make selling worthwhile. Contributing for partnership units defers the tax, provides diversification and income, and lets the holder choose when the bill arrives, or arrange for it never to. The costs are hidden in the debt allocation mechanics and the tax protection agreements, which constrain both parties for years after the deal that everyone described as clean.