OP unit distributions, phantom income, and conversion to REIT shares

When does a 721 UPREIT holder actually owe tax? Not at contribution, but the years that follow bring two distinct exposures: taxable income allocations that can outrun cash distributions, and a conversion right whose tax treatment depends entirely on the agreement the investor signed.

Last reviewed: July 8, 2026

Distributions and "phantom income"

OP unitholders receive partnership distributions, which are governed by the partnership agreement and the underlying cash flows of the contributed and related properties. Distributions reduce the investor's outside basis in the OP units but are not themselves taxable, up to the extent of basis.

The complication is that the operating partnership also allocates net taxable income to its partners. When taxable allocations exceed cash distributions, the unitholder may owe tax on income that has not been received in cash, the so-called phantom income problem. Investors converting from direct property ownership, where cash flow and taxable income generally track together, are sometimes surprised by the divergence inside a partnership structure.

Conversion to REIT shares: the second taxable moment

Most OP unit agreements include a conversion right. After an initial lock-up period, typically twelve to twenty-four months, the unitholder can convert OP units one-for-one (or at a specified ratio) into shares of the public REIT.

Conversion is the second taxable moment in the UPREIT lifecycle. Some UPREIT agreements treat conversion as a taxable redemption: the unitholder is treated as having sold the OP units to the REIT for cash equal to the fair market value of the shares, recognizing the deferred gain in full. Others structure conversion as a Section 1036 exchange of partnership interests for shares, or rely on more complex provisions to defer recognition further.

There is no single answer. The conversion-tax treatment is determined by the specific UPREIT contribution agreement, and a favorable contribution structure with an unfavorable conversion structure may not deliver the long-term deferral the investor expected. Investors evaluating a 721 contribution should read the conversion provisions of the offered REIT carefully, ideally with tax counsel, before signing.

The contribution mechanics and the endgame at death are covered in the Section 721 UPREIT tax treatment overview.