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Library · taxes · Published 10/13/2026 · Re-read against its sources 10/13/2026

tax treatment of real estate partnerships: k-1s and passive activity rules

A real estate partnership passes income and losses to each partner on a Schedule K 1, and passive losses from rentals can only offset passive income unless you qualify for an exception.

In short

A friend of mine bought into a real estate partnership last spring and then sat staring at a tax form she did not understand. If you are in the same spot, take heart, because the form tells a story you can learn to read. The partnership files its own return, but it does not pay the tax. Each partner reports a share of the income, loss, and credits on a personal return, and the Schedule K-1 is the paper that shows that share. Losses from a rental business are usually called passive, and passive losses can only offset passive income unless an exception applies. A loss you cannot use this year is not gone. It carries forward on Form 8582 until you have passive income or you sell. Keep every K-1 and every basis record for as long as you own the interest.

The whole of it

What it is

I once watched a neighbor try to explain a partnership return at a church supper, and by dessert half the table was nodding politely and lost. So let me start small. A real estate partnership is a group of people who pool money to own property. The group might own an apartment building, a shopping center, or a handful of rental homes. The law treats the partnership as a pass through. That means the partnership itself does not owe income tax. The money passes through to the partners, and the partners owe the tax on their own returns.

Each year the partnership sends every partner a Schedule K-1, Form 1065. Think of it as a report card for your share. It lists your part of the rental income, your part of the deductions, and any gains, credits, or other items. You then carry those numbers to your own Form 1040, usually by way of Schedule E.

Here is the part that surprises folks. You can owe tax on income you never received in cash. If the partnership earned $40,000 and kept the money to pay down a loan, a partner who owns 10 percent still reports $4,000. The tax follows the earnings, not the check in the mailbox.

How it works

If you are holding a K-1, you have probably noticed it is crowded with boxes and codes. Box 1 usually shows ordinary business income or loss. Box 2 shows net rental real estate income or loss, and that box is the one most rental partners care about. The IRS publishes instructions for Schedule K-1 that explain what each box and code means, and those instructions are the best place to check yours.

Now the passive activity rules. Congress wrote them in Section 469 of the Internal Revenue Code. The idea is simple enough. Income from a business you do not run day to day is passive. Rental activity is treated as passive by default, even if you work at it. So a limited partner who simply invests is passive almost by definition.

The rule bites on losses. A passive loss can offset passive income, such as profit from another rental. It generally cannot offset wages, interest, or stock gains. Say a partner has a $6,000 passive loss and no other passive income. That loss cannot reduce the paycheck. It waits.

There are two ways around the wall, and both are narrow. The first is a special allowance for small landlords who actively participate in a rental. It lets some people deduct a limited amount of rental loss against other income. It phases out as income rises. The second is real estate professional status, which asks for a large number of hours in real estate work, and the rules for it are strict. A limited partner in a syndicate seldom meets either one. Active participation also tends to be hard to show when you only wrote a check.

Before any of this, two other limits come first. The loss cannot exceed your basis, which is your stake in the partnership. It also cannot exceed the amount you have at risk. Then the passive rules apply. The order matters, so I will say it plainly. Basis first. At risk second. Passive third.

Basis starts with what you paid in. It goes up with your share of income and goes down with your share of losses and with cash distributions. Partnership debt can count toward basis in some cases, which is why real estate partners often have more basis than the cash they put in. Partners generally track basis in their own records, year by year, starting with what they paid in. The partnership's K-1 and the IRS instructions for Schedule K-1 help show the yearly changes.

The numbers, and where to find yours

I like to tell people that most of the figures they need are printed somewhere already, and the work is knowing where to look. Your own share is on your K-1, in the boxes for income, loss, and distributions. Your ownership percentage is shown on the K-1 too, and the IRS instructions for Schedule K-1 explain where to find it on the version for your tax year. The amount you contributed shows in the capital account section, and the K-1 reports your share of partnership debt too.

The limits set by law change from year to year, so I will not guess at them here. The special allowance for small landlords is the current figure, which the official source publishes each year. The income level where that allowance begins to phase out is the current figure, which the official source publishes each year. Both are listed in the instructions for Form 8582 and in IRS Publication 925, which is titled Passive Activity and At Risk Rules. Check the version for the tax year you are filing.

Your suspended losses, the ones carried forward, show up on your own Form 8582 from prior years. Keep last year's copy. If you do not have it, your old return will.

A worked example

A woman named Dolores, a school bus dispatcher, put $20,000 into a partnership that owns a small apartment building. Her salary is $52,000. Her share of the partnership is 5 percent.

In her first year the building produced a tax loss of $60,000 after depreciation. Depreciation is a deduction for the wear on the building, and it often creates a paper loss even when rents cover the bills. Dolores gets 5 percent of that loss. Five percent of $60,000 is $3,000.

Now run the checks in order. First, basis. She paid $20,000, so her basis is at least $20,000. Suppose her share of partnership debt adds another $15,000. Her basis is then $35,000, and a $3,000 loss fits easily. Second, at risk. Her cash is at risk, so she passes that test too. Third, passive rules. The apartment building is a rental, so the $3,000 loss is passive. Dolores has no other passive income. Her income is wages.

Her modified adjusted gross income is $52,000, which is below the point where the small landlord allowance starts to shrink. But she only invested. She did not take part in managing the building in a way that meets the participation test. So she cannot use the special allowance. The $3,000 loss is suspended.

She reports it on Form 8582 and carries it forward. Nothing is lost, but nothing is deducted yet.

Year two, the building has a good year. It earns $20,000 of taxable income. Dolores's 5 percent share is $1,000. That $1,000 is passive income. She uses $1,000 of her suspended loss to wipe it out, so she owes no tax on it. The leftover suspended loss is $3,000 minus $1,000, which is $2,000. That $2,000 carries forward again.

Years later, the partnership sells the building. When Dolores's whole interest is sold in a fully taxable sale, the remaining suspended losses are generally released. She can then use them against other income. In her case that is the last $2,000, plus any new losses. The tax code ties that release to a complete disposition, so a partial sale does not do it.

Where it goes wrong

I have seen smart people trip on this, and the trip is usually small. The first stumble is missing the K-1 entirely. Partnerships often send them late, sometimes after the usual filing season, so many partners file an extension. Filing without it and then correcting later is a headache you can avoid.

The second is forgetting suspended losses. If the carryforward is not tracked on Form 8582 each year, the deduction can vanish into the fog of old paperwork. Write it down. Keep a simple page that shows the balance each year.

The third is mixing up basis and passive limits. A loss can be blocked by basis, by at risk rules, or by the passive rules, and each one has its own carryforward. They are not the same pile.

The fourth is assuming that because a partner works hard, the work counts. The IRS looks at the type of involvement and the hours, and those hours must be backed up by records. A log kept as you go beats a guess made in April.

The fifth is state tax. Many states have their own rules for pass through income, and some partnerships also send a separate state form. Read what comes in the mail.

Last, a distribution is not income by itself. Cash you receive reduces basis. If distributions exceed basis, the excess can be taxed as a gain. That is worth knowing before a big payout lands.

Questions to answer before you leave this page

Do you have the K-1 for each partnership you own, and did you read Box 2 and the capital account section? Have you kept last year's Form 8582 so you can see any suspended losses carried forward? Do you know your basis, and have you kept your own notes of what you paid in and what each year added or took away? Could you show, with a log, whether you took part in running the property, or did you only invest? Is your income below the point where the small landlord allowance starts to phase out, and did you check the figure for your tax year in the Form 8582 instructions? If the partnership sells the property, do you know how a full sale releases the losses you carried forward? And if all this feels like too much to sort alone, have you thought about sitting down with a tax professional who can look at your actual papers?

Sources

irs.gov · read 10/13/2026
irs.gov · read 10/13/2026
irs.gov · read 10/13/2026
irs.gov · read 10/13/2026
irs.gov · read 10/13/2026
law.cornell.edu · read 10/13/2026

Each figure on this page was found, word for word, on the official page beside it, on the date shown, and is read again on a schedule. A figure that changes on its page comes down until the page is rewritten.

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