What Is Passive Income? Material Participation and Rental Rules

For federal tax purposes, passive income is money you earn from a trade or business in which you don’t materially participate, plus almost all rental income. The label matters because the IRS walls passive activities off from the rest of your return: losses from them generally can’t reduce your wages, your interest and dividends, or your capital gains. They can only offset income from other passive activities.

The Three Income Categories

The tax code sorts every dollar you earn into one of three buckets, and the bucket controls what you can do with a loss from that source.

Active or earned income covers wages, salaries, commissions, tips, and net earnings from a business you actually run. If you’re meaningfully involved in producing the income, it’s active.
Portfolio income is the return on investments you hold: interest, dividends, and capital gains from selling stocks or bonds. It sits in its own lane and generally can’t be reduced by passive losses either.
Passive income comes from a trade or business in which you don’t materially participate, plus nearly all rental income. This category has the tightest loss rules.

A few things that sound passive in ordinary speech aren’t passive for tax purposes. Savings account interest, stock dividends, and gains from selling securities are all portfolio income. Royalties can go either way depending on your involvement with the underlying property; if you license a patent and just collect checks, that’s usually portfolio income, but a royalty flowing through a business where you don’t materially participate can be passive.

What Triggers the Passive Label

Two situations produce passive income or loss under Internal Revenue Code Section 469.

The first is any trade or business you have an ownership stake in but don’t materially participate in. You might own part of a restaurant franchise and never set foot in the kitchen. Your share of the profit or loss is passive.

The second is rental activity. By default, rent you collect is passive regardless of how many hours you spend on it. You could repaint every unit yourself, screen every tenant, and take every repair call, and the activity still starts out passive. There are important carve-outs for real estate, covered below, but the starting point is clear.

Material Participation: How Business Income Escapes the Label

For a business (not a rental), whether your share of the income is active or passive comes down to one question: did you materially participate? The IRS gives you seven tests, and passing any one of them for the year is enough.¹

You participated more than 500 hours during the year. This is the test most taxpayers rely on.
Your participation was substantially all of the participation by everyone involved, including non-owners.
You participated more than 100 hours, and no one else participated more.
You participated more than 100 hours each in several activities and your combined hours across them exceed 500.
You materially participated in the activity in any five of the previous ten tax years.
The activity is a personal service field (health, law, accounting, consulting, and similar), and you materially participated in any three prior tax years.
Under all facts and circumstances, you participated more than 100 hours on a regular, continuous, and substantial basis and no one else was paid to manage the activity. This one is hardest to rely on because the IRS has wide discretion in evaluating it.

Documentation is what makes any of this stick. The IRS expects contemporaneous records, ideally daily logs or calendars. Reconstructing hours after the fact, especially during an audit, rarely works.

Limited partners face a narrower set. A limited partner can establish material participation only through the 500-hour test, the five-of-ten-years test, or the personal service activity test. The other four are off the table.¹ LLC members and S corporation shareholders keep access to all seven tests.

The Loss Rule and What Happens to Blocked Losses

The core rule is blunt. Losses from passive activities can only be deducted against income from other passive activities. If your rental property loses $30,000 this year and your only other income is a $150,000 salary, that rental loss generally can’t reduce your tax bill at all.¹

When passive losses exceed passive income, the excess doesn’t vanish. It becomes a suspended loss that carries forward indefinitely, waiting for future passive income to absorb it. Suspended losses stay attached to the specific activity that created them, and you track them activity by activity on Form 8582.²

The main way suspended losses come free is a complete disposition. Sell your entire interest in the activity in a fully taxable transaction and all the accumulated losses from that activity become deductible at once, against any type of income. A partial sale won’t do it. A gift won’t do it, because it isn’t taxable to you. If the owner dies, suspended losses are allowed on the final return only to the extent they exceed the step-up in basis the heir receives, so a portion can be permanently lost at death.

One sequencing point trips people up. Before the passive activity rules apply, your loss is first limited by the at-risk rules of IRC Section 465, and for partners and S corporation shareholders, tax basis in the entity comes ahead of that. A loss blocked by basis or at-risk never reaches the passive activity calculation. Taxpayers who assume the passive rules are their only obstacle sometimes find the real bottleneck sits upstream.¹

Rental Real Estate Carve-Outs

Because rentals are passive by default, Congress created two significant exceptions, plus a definitional one, that reshape how real estate investors are taxed.

The $25,000 Special Allowance

If you actively participate in a rental real estate activity, you can deduct up to $25,000 of net rental losses against non-passive income like your salary.¹ Active participation is a lower bar than material participation: you need to own at least 10% of the property and make management decisions such as approving tenants, setting rent, and authorizing repairs.

Income phases the allowance out. It shrinks by 50 cents for every dollar your modified adjusted gross income exceeds $100,000 and disappears entirely at $150,000. For married couples filing separately who lived together during the year, the allowance is halved to $12,500 with a phase-out starting at $50,000. None of these thresholds are indexed for inflation.

Real Estate Professional Status

The more powerful exception is qualifying as a real estate professional. A taxpayer who meets the standard can treat rental real estate as non-passive, so rental losses can offset wages, business income, and portfolio returns without any dollar cap.¹

Two tests must be met during the year. More than half of the personal services you perform across every trade or business must be in real property trades or businesses where you materially participate, and you must log more than 750 hours in those real property activities. For married couples, only one spouse needs to qualify, and the hours of the two spouses cannot be combined to reach the threshold.

Clearing those hurdles gets you the designation, but it doesn’t automatically make each rental non-passive. You still need to show material participation in each individual rental, or make a grouping election to treat all your rentals as a single activity and satisfy a material participation test for the group. Without that step, the losses stay passive even with the professional status.

Short-Term Rentals Aren’t Rental Activities

If the average period of customer use is seven days or less, the IRS doesn’t classify the property as a rental activity at all.¹ Vacation rentals, Airbnb-style operations, and hotel arrangements often fall into this bucket. Because the activity isn’t a rental activity, it escapes the automatic passive label and is treated like any other trade or business. If you manage the property hands-on and pass one of the seven material participation tests, the income and any losses are active.

Recharacterization Traps

The IRS anticipated that taxpayers would try to manufacture passive income to soak up suspended passive losses. Recharacterization rules reclassify certain passive income as non-passive so it can’t be used that way.

The self-rental rule is the most common trap. If you rent property to a business in which you materially participate, the net rental income from that property is recharacterized as non-passive.¹ A business owner who rents a building to their own company might expect the rent to be passive and use it to absorb losses from other passive investments. The rule blocks that. Net rental income gets reclassified as active, while a net rental loss stays passive. The asymmetry is intentional.

A similar rule applies to significant participation activities, meaning businesses where you put in more than 100 hours but don’t meet any material participation test. If the combined net income from all your significant participation activities is positive, that net income is recharacterized as active.¹

When an activity that used to be passive becomes one you materially participate in, it becomes a former passive activity. The old suspended losses don’t unlock against all your income. They can only offset income the same activity now generates, until you fully dispose of it.

The 3.8% Surtax on Passive Income

Being classified as passive carries a cost beyond the loss rules. The 3.8% Net Investment Income Tax applies to individuals with modified adjusted gross income above $200,000 (single), $250,000 (married filing jointly), or $125,000 (married filing separately), and the tax is calculated on the lesser of your net investment income or the amount your MAGI exceeds the threshold.³

Income from a trade or business that is passive to you counts as net investment income for this surtax. So does rental income and gain from selling passive business interests. Active business income is excluded. Two taxpayers with identical business income can face different effective tax rates based only on whether they materially participate. The thresholds are not indexed for inflation, so more taxpayers cross them each year.

1
Internal Revenue Service. Publication 925 (2025), Passive Activity and At-Risk Rules
2
Internal Revenue Service. Form 8582 – Passive Activity Loss Limitations (2025)
3
Internal Revenue Service. Topic No. 559, Net Investment Income Tax