How Income Tax on Rent From Commercial Property Works

Rent you collect from a commercial property is taxed as ordinary income, meaning the income tax on rent from commercial property runs at the same federal rates as wages: 10% to 37% for tax year 2026, based on your total taxable income after deductions.¹ The rate you actually pay depends on where your total income lands in the brackets, and the code gives commercial owners several ways to shrink the taxable number before that rate applies. Depreciation alone can shelter tens of thousands of dollars a year without any cash going out the door.

How Your Rate Gets Set

The IRS does not give commercial rent its own rate.² Net rental profit stacks on top of your other income and gets taxed at your marginal bracket. For 2026, the top 37% rate kicks in above $640,600 for single filers and $768,700 for married couples filing jointly.¹ These are marginal rates, so income at $210,000 pushes only the slice above the 24% threshold into 32%; the earlier dollars stay taxed at the lower rates.

The classification does not change if you hold the property through a partnership or S corporation. Pass-through entities report the income, and it flows to your personal return, where it is taxed at your individual rates. C corporations are the exception and follow their own regime.

You Pay Tax on Net Profit, Not Gross Rent

Every ordinary and necessary expense of operating the property comes off gross rent before the rate applies.³ The usual line items are:

State and local real property taxes, often the single largest deduction on a big retail or industrial building⁴
Mortgage interest on debt used to acquire or improve the property⁵
Insurance premiums for liability, fire, flood, and similar coverage
Repairs and maintenance done in the year (a roof patch, a broken HVAC compressor, a repaint)
Property management fees
Utilities you pay rather than pass through to tenants
Accounting, legal, and tax preparation fees tied to the property

The line between a repair and a capital improvement matters. A patch on a section of roof is a current-year deduction. Replacing the whole roof is a capital improvement recovered through depreciation. Getting the classification wrong in either direction creates problems: deducting a capital improvement too fast draws IRS attention, and depreciating a real repair delays a deduction you could take now.

Vehicle use tied to the property is also deductible. The 2026 standard mileage rate is 72.5 cents per mile, or you can track actual costs.⁶ Keep a log with the date, destination, mileage, and purpose of each trip.

Security Deposits

A security deposit is not income when you receive it, so long as you might have to return it. If you keep it because the tenant broke the lease or damaged the property, you report the retained amount as income that year (and deduct any repair costs against it). One trap: when a deposit is designated as the tenant’s last month’s rent, the IRS treats it as advance rent, taxable in the year you receive it rather than when that final month comes around.²

Depreciation: The Biggest Shelter

Depreciation is the largest tax benefit of owning commercial real estate, and it requires no cash outlay. Commercial (nonresidential) buildings depreciate over 39 years on a straight-line basis.⁷ Divide the building’s depreciable basis by 39 and deduct that amount every year.

Land is not depreciable, so you have to split your purchase price between the structure and the land beneath it. A property tax assessment or a professional appraisal is the standard allocation method. On a $2 million purchase where the land is $400,000, the depreciable basis is $1.6 million, producing roughly $41,000 in annual depreciation.

Cost Segregation Studies

A cost segregation study breaks the building into components and reclassifies certain pieces, such as specialized electrical systems, decorative finishes, parking lot surfaces, and landscaping, into 5-year, 7-year, or 15-year recovery periods instead of 39. Depending on property type, the reclassified portion is commonly 10% to 40% of the depreciable basis, which pulls deductions forward into the early years of ownership. An engineering study typically costs several thousand dollars, and on properties worth $1 million or more the front-loaded savings usually cover the cost many times over.

Bonus Depreciation

The One Big Beautiful Bill Act restored 100% bonus depreciation for 2026. Property with a recovery period of 20 years or less can be fully deducted in the year it is placed in service.⁷ The 39-year building shell itself does not qualify, but the shorter-lived components teased out by a cost segregation study do. Together, cost segregation plus bonus depreciation can produce a first-year deduction worth several hundred thousand dollars on a substantial acquisition.

Qualified Improvement Property

Interior improvements made to a commercial building after it was first placed in service (interior walls, ceilings, lighting, plumbing, fire protection) qualify for a 15-year recovery period rather than 39 years. Structural elements like exterior walls, the roof, and the foundation stay on the 39-year schedule. Because qualified improvement property has a 15-year life, it also qualifies for 100% bonus depreciation in 2026, letting you deduct the full cost of qualifying interior renovations in the year the work is done.

The 20% Qualified Business Income Deduction

If your commercial rental activity rises to the level of a trade or business, you may deduct up to 20% of the net rental income before your rate applies.⁸ Section 199A, sometimes called the QBI deduction, was made permanent by the One Big Beautiful Bill Act in July 2025. It is available to sole proprietors, partnerships, S corporations, and certain trusts and estates. C corporations do not get it.⁹

The hard part is proving your activity is a trade or business rather than a passive investment. The IRS looks at leasing volume, how regularly you’re involved in management, and how much time you put into operations. Cashing checks from a single triple-net tenant who handles everything else is a weak case. Multiple properties, hands-on management, or meaningful tenant services build a stronger one. The deduction is capped at the lesser of 20% of qualified business income or 20% of taxable income minus net capital gains.⁸

Two Additional Taxes to Know

Net Investment Income Tax

An extra 3.8% surtax may apply on top of your regular tax. The net investment income tax kicks in when modified adjusted gross income tops $200,000 (single), $250,000 (married filing jointly), or $125,000 (married filing separately).¹⁰ The 3.8% hits the lesser of your net investment income or the amount above the threshold. Rental income generally counts as investment income for this purpose. Qualifying as a real estate professional who materially participates in the rental can take both the net rental income and any future gain on sale out of the surtax. These thresholds are not indexed for inflation, so more owners cross them each year. Combined with the top 37% bracket, the effective federal rate on commercial rent can approach 41%.

Self-Employment Tax Usually Does Not Apply

Rental income is generally not subject to the 15.3% self-employment tax, which is one of the real advantages of rental property over an active business. The exemption holds as long as you are leasing space and providing the basic services needed to keep the property functional: maintenance, security, utilities. It disappears if you provide substantial services more typical of a hotel or serviced office (concierge, housekeeping, prepared meals, recreational amenities). Whether services are for the tenant’s convenience or for the property’s upkeep is decided case by case.

Passive Loss Rules and the Real Estate Professional Exception

Rental real estate is passive by default no matter how much time you spend on it. Passive losses can only offset passive income, not wages or active business earnings. This is where owners get squeezed in the early years, when depreciation often generates paper losses larger than actual rental profit.

Two exceptions matter. First, if you actively participate in the rental (making tenant, lease, and repair decisions, even with a property manager involved), you can deduct up to $25,000 of passive losses against non-passive income. That allowance phases out at $1 for every $2 of adjusted gross income over $100,000 and disappears entirely at $150,000.¹¹ Second, real estate professionals face no passive loss limit at all. To qualify, more than half your working hours for the year must be in real property businesses where you materially participate, and you must log more than 750 hours in those activities. Clearing that bar lets you deduct rental losses against any type of income, which is why the designation is one of the most valuable positions in commercial real estate.

What Happens When You Sell

Depreciation Recapture

Every dollar of depreciation you claimed comes back when you sell. Accumulated depreciation is taxed as unrecaptured Section 1250 gain at a maximum 25% rate, higher than the long-term capital gains rate most sellers expect.¹² Any gain above the original purchase price is taxed at standard capital gains rates. Owners who used cost segregation and bonus depreciation face proportionally larger recapture bills. That does not make the deduction a bad deal: the savings came earlier when the money had more time to work, and 25% is still below the ordinary rate you would have paid without the deduction.

Section 1031 Exchange

A like-kind exchange defers all gain and recapture if you roll the proceeds into a replacement commercial property. The timeline is unforgiving. You have 45 days from the sale to identify replacement properties in writing, and 180 days to close. The only extension is a presidentially declared disaster. The written identification must go to a qualified intermediary or the seller of the replacement; telling your attorney or accountant does not count.¹³ Miss either deadline and the whole gain is taxable in the year of sale.

Paying and Filing

Quarterly Estimated Payments

Rental income has no withholding. If you expect to owe $1,000 or more after any withholding and credits, you owe quarterly estimated payments. For 2026 the deadlines are April 15, June 15, September 15, and January 15, 2027. You can skip the January installment if you file and pay in full by February 1, 2027. To avoid an underpayment penalty, your payments during the year must equal at least the lesser of 90% of your 2026 tax or 100% of your 2025 tax. The prior-year safe harbor rises to 110% if your 2025 adjusted gross income exceeded $150,000 ($75,000 married filing separately).¹⁴ For most owners, the simpler path is basing payments on last year’s liability, especially when vacancies swing income year to year.

Forms

Individual owners report commercial rental income and expenses on Schedule E of Form 1040.¹⁵ Gross rents go on the income line, expenses go on the designated lines below, and the form walks through depreciation to arrive at net rental income or loss. Property held through a partnership or S corporation reports on Form 8825 at the entity level, and your share reaches your personal return through a Schedule K-1.¹⁶

Penalties

Filing late costs 5% of the unpaid tax per month, up to 25%.¹⁷ Paying late costs 0.5% per month, also capped at 25%. When both run at once, the failure-to-file penalty is reduced by the failure-to-pay amount, so the combined charge during the first five months is 5% per month. The practical rule: if you cannot pay, file anyway. The filing penalty is ten times worse than the payment penalty. Form 4868 buys an automatic six-month extension to file but not to pay, so any balance still needs to be in by the April deadline to stop the payment penalty from running.

Keep receipts, invoices, bank statements, and leases organized by year. Records generally must be kept for three years after filing, six years if you underreport gross income by more than 25%. Depreciation records need to survive longer, because you will need them to compute gain and recapture at sale.¹⁸

1
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026
2
Internal Revenue Service. Topic No. 414, Rental Income and Expenses
3
Office of the Law Revision Counsel. 26 U.S. Code 162 – Trade or Business Expenses
4
Office of the Law Revision Counsel. 26 U.S. Code 164 – Taxes
5
Office of the Law Revision Counsel. 26 U.S. Code 163 – Interest
6
Internal Revenue Service. Standard Mileage Rates Updated for 2026
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Office of the Law Revision Counsel. 26 U.S. Code 168 – Accelerated Cost Recovery System
8
Office of the Law Revision Counsel. 26 U.S. Code 199A – Qualified Business Income
9
Internal Revenue Service. Qualified Business Income Deduction
10
Office of the Law Revision Counsel. 26 U.S. Code 1411 – Imposition of Tax
11
Office of the Law Revision Counsel. 26 U.S. Code 469 – Passive Activity Losses and Credits Limited
12
Internal Revenue Service. Topic No. 409, Capital Gains and Losses
13
Internal Revenue Service. Like-Kind Exchanges Under IRC Section 1031
14
Internal Revenue Service. 2026 Form 1040-ES
15
Internal Revenue Service. Instructions for Schedule E (Form 1040)
16
Internal Revenue Service. About Form 8825, Rental Real Estate Income and Expenses of a Partnership or an S Corporation
17
Office of the Law Revision Counsel. 26 U.S. Code 6651 – Failure to File Tax Return or to Pay Tax
18
Internal Revenue Service. How Long Should I Keep Records