Why a Rental Loss Does Not Reduce Your Tax
A rental property that runs at a loss on paper — after depreciation, interest and expenses — looks as though it should reduce the tax on everything else. Usually it does not. Rental activity is passive by default, and passive losses can only offset passive income, with one limited exception that disappears as income rises.
- Passive by default:: Rental activity is treated as passive regardless of how much work you do, with narrow exceptions.
- A limited allowance:: An active participant may deduct up to a set amount against other income.
- It phases out:: The allowance falls by half of modified adjusted gross income above a threshold and reaches zero above a higher one.
- Suspended, not lost:: Losses that cannot be used carry forward and are released in full when the property is disposed of.
Where the AI summary above gets this wrong
"Rental losses reduce your taxable income."
That's surface-true. Here's what it misses:
- Passive losses cannot offset ordinary income — A rental loss offsets passive income — income from other passive activities — and not salary, pension, interest or dividends. For a household whose only passive activity is the one rental, that means the loss frequently does nothing in the year it arises.
- The allowance disappears at a modest income — The special allowance for an active participant is reduced by half of modified adjusted gross income above a threshold, and reaches zero well before what most people would consider a high income. A working household with a rental frequently gets none of it.
- Suspended losses are released on disposal, all at once — Every year of suspended loss carries forward and becomes deductible when the entire interest in the activity is disposed of in a taxable transaction. That can be a large deduction in the year of sale — and it is one reason a sale year is worth planning rather than allowing to happen.
01 Why rental income is passive
The passive activity rules divide income into three categories: active income from work, portfolio income from investments, and passive income from activities in which you do not materially participate. Losses from passive activities can only offset passive income.
Rental activity is treated as passive by rule, regardless of how much time you spend on it. The narrow exception is for a real estate professional meeting substantial time and participation tests, which very few people with another occupation satisfy.
The result is that a rental producing a paper loss — common once depreciation is taken into account — frequently produces no current tax benefit at all, which surprises owners who bought partly for that reason.
Source: Publication 925
02 The special allowance
An exception permits an individual who actively participates in a rental to deduct a limited amount of loss against other income. Active participation is a lower bar than material participation: making management decisions such as approving tenants and setting rents can be enough.
The allowance is reduced by half of modified adjusted gross income above a threshold, and disappears entirely above a higher one. Because the thresholds are not indexed, they reach further down the income distribution each year.
For a retired household the position can improve. Income frequently falls after work stops, which can bring the allowance back into range — and that interacts with the size of any Roth conversion in those years, since conversion income counts toward the same threshold.
Shows: how much of a rental loss is suspended once the special allowance is reduced by half of income above the threshold. Ignores: the active participation requirement the allowance depends on, real estate professional status, other passive income that could absorb the loss, and the release of suspended losses on disposal.
Source: Publication 527
03 What happens to the suspended losses
Losses that cannot be used are suspended and carried forward indefinitely, attached to the activity that produced them. They offset future income from the same activity, or other passive income in later years.
The release comes on disposal. When the entire interest in the activity is disposed of in a fully taxable transaction to an unrelated party, the accumulated suspended losses become deductible in full — against the gain first, and then against other income.
That has a planning consequence that changes decisions. A property sold with a large gain and a large suspended loss produces a much smaller net figure than the gain alone suggests, which changes the comparison against a continued hold or an exchange. It also means the losses are lost if the property is given away or passes at death rather than being sold.
Two things about this are worth acting on. The first is that a paper loss on a rental probably is not reducing your tax at all, so any purchase justified on that basis deserves rechecking. The second is more useful: those suspended losses are an asset that is released when you sell, and they make the sale considerably cheaper than the headline gain suggests. Before deciding to hold a rental forever for tax reasons, find out how large the suspended loss has become.
FAQ
Why can I not deduct my rental loss?
Rental activity is generally passive, and passive losses can only offset passive income rather than salary, pension or investment income. A limited special allowance exists for active participants but phases out with income.
What happens to a suspended rental loss?
It carries forward indefinitely and is released in full when the entire interest in the activity is disposed of in a fully taxable transaction, deductible against the gain and then other income.
Does the allowance come back if my income falls?
Yes. The allowance depends on modified adjusted gross income for the year, so a household whose income falls after retiring may be able to use losses it could not use while working.
Sources
Regulator references
- Publication 925 · Internal Revenue Service · 2026The passive activity rules, the material participation tests, and the special rental allowance.Last verified: 2026-09-07
- Publication 527 · Internal Revenue Service · 2026How rental income and expenses are reported before the limitation applies.Last verified: 2026-09-07
- Topic 409: capital gains and losses · Internal Revenue Service · 2026The disposition that finally releases suspended losses.Last verified: 2026-09-07
Calculator unit tests · the assertions this page's worked example is checked against, and their last result
Changelog
- 2026-09-07 — initial publish (new format)
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Jordan Reeves
Founder of Talk Through Wealth. A software engineer for over a decade before turning to retirement planning, Jordan built the projection engine after watching family members get fragmented, country-by-country advice that never reconciled. He writes about retirement the way the engine computes it: month-by-month, lifetime-long, and skeptical of any rule of thumb that hasn't been run through the math.