Tax Bracket and Whether Deductions Are Usable

A deduction is worth what it saves in tax, and it saves tax only when it offsets income that would otherwise be taxed. That simple point explains why two owners with identical buildings can face very different decisions.

Two questions about every deduction

1. Is it allowed against the income I have? Rules in the tax code limit which losses can offset which income. Passive rules are the best known.
2. At what rate would that income have been taxed? A deduction that offsets income taxed at a higher rate is worth more than one offsetting income taxed at a lower rate.

Notice that both questions depend on you, not the building.

Categories of usability

Rental income only. If the property produces positive taxable income before depreciation, extra depreciation offsets that income directly. This is straightforward and does not need any special status. Whether it is enough to matter depends on the size of the income.

Other passive income. Losses from passive activities can generally offset passive income from other sources. An owner with several properties, or with partnership income treated as passive, may be able to use a loss from one against gains from another.

Ordinary income from work or business. Offsetting wages or business income is where the rules become strict. Generally you need to fall into a category such as a real estate professional or a materially participating owner of a short-term rental. See Real Estate Professional Status and Study Decisions and The Short-Term Rental Rules Explained Carefully.

Small-landlord allowance. A limited allowance may permit some rental loss against other income for owners who actively participate and have income below certain thresholds. The allowance phases out as income rises and the amounts are set by law that may change. See The Passive Activity Loss Rules and Cost Segregation.

Rate matters

Consider two hypothetical owners. Owner A has taxable income taxed at a high marginal rate and can use a $40,000 deduction fully. Owner B has taxable income in a lower bracket. Same deduction, different savings. If the deduction pushes Owner B into a lower bracket partway, some of the benefit is at a still lower rate. Real tax computations involve many interacting pieces, so ask your preparer to model your actual return.

Watch for interactions

Large deductions can affect other parts of a return. Examples include the deduction for qualified business income, limits on excess business losses, and income-based phaseouts. These interactions can reduce or increase the effective value of the deduction. A model of only the rental will miss them. See At-Risk and Excess Business Loss Limits.

Carryforwards preserve value, imperfectly

If a loss is suspended, it usually carries forward and can be used against future passive income or when you dispose of the property in a fully taxable transaction. So suspended losses are not worthless. They are, however, delayed, and delay reduces value. See Suspended Losses and Carryforwards.

A usability test you can run

• Write your expected taxable income from all sources for this year and next.
• Write the rental's expected taxable income before any depreciation from a study.
• Write which category of participation you fall into and how many hours you spend.
• Ask your preparer whether the additional deduction would be allowed this year.

If the answer is "yes, fully", proceed to price and timing. If "partly", estimate the used and suspended portions. If "no", read When a Cost Segregation Study May Not Make Sense.

Ownership structures

Deductions are allocated to the person or entity who owns the property for tax purposes. A partnership may pass items to partners, but each partner then faces their own limits. Ask who will actually claim the deduction. See Entities and Who Gets the Deduction.

A simple projection template

Make a small table with two columns: this year without the additional deduction and this year with it. List wages, business income, other rental income, and other income at the top. List deductions below. In the "with" column, add the additional deduction only to the extent your preparer confirms it is allowed. Compare the taxable income and the estimated tax. The difference is the current-year value. Repeat for next year, since a large deduction this year may change the picture next year, for example by leaving less depreciation available later.

Watch the thresholds

Many tax benefits phase in or out with income. A deduction that lowers adjusted gross income may increase eligibility for one benefit and change the value of another. Thresholds are set by law and are updated periodically, so ask your preparer to use current values. Do not rely on the examples in general articles, including this one, for the exact figures.

Rate versus timing

Owners sometimes focus only on the rate. But timing also matters. A deduction usable this year at a moderate rate can be worth more than a deduction usable in ten years at a higher rate, depending on what you can do with the money in between. Consider both.

Where the deduction cannot help

If your taxable income is already very low, additional deductions might create a net operating loss or simply go unused. Some owners in that situation prefer to keep depreciation for later years. See Suspended Losses and Carryforwards.

What this page is not

It is not a forecast of your tax bill. Tax rates, thresholds, and limits are set by law and change, so do not rely on any specific figure you read in general educational material without checking it. Continue to The Passive Activity Loss Rules and Cost Segregation for the framework and Material Participation Tests in Plain Language for the hours tests.