Real estate investors aren't dodging taxes. The tax code was written to reward people who provide housing, and most of the savings are sitting in plain sight in IRS publications. The investors who pay less aren't doing anything shady. They just know the rules and they plan before they buy instead of after.

Here are the biggest legal ways rental property owners lower their tax bill in 2026, the Kentucky wrinkle most online articles miss, and the questions to bring to your CPA.

1. Depreciation: the deduction you get without spending a dime

The IRS assumes your building wears out, so it lets you deduct part of its cost every year, even while the property is going up in value. Residential rentals are depreciated over 27.5 years. Commercial buildings, over 39. Land doesn't depreciate, so you split it out first.

Example: you buy a Louisville rental for $250,000. The PVA (Property Valuation Administrator) values the land at $50,000, so the building is $200,000. $200,000 ÷ 27.5 = about $7,273 a year in depreciation. If the property brings in $7,000 of profit after expenses, depreciation can wipe out the taxable income completely. You keep the cash. The IRS sees a loss.

The trade-off: when you sell, the depreciation you took (or could have taken) gets "recaptured" and taxed at up to 25%. That's why investors pair depreciation with the exit strategies further down this list.

2. Cost segregation plus 100% bonus depreciation

A cost segregation study is an engineering report that breaks your property into parts: appliances, carpet, cabinets, certain electrical and plumbing, driveways, fencing, landscaping. Many of those parts qualify for 5-, 7- or 15-year depreciation instead of 27.5 years.

Here's why that matters right now. The 2025 federal tax law (the One Big Beautiful Bill Act) made 100% bonus depreciation permanent for qualifying property acquired after January 19, 2025. Those shorter-life parts can be written off in the first year. The building itself still depreciates over 27.5 or 39 years, but pulling even 20% to 30% of the purchase price into year one can create a very large deduction.

Studies cost money, so they make the most sense on bigger purchases. We cover the commercial side in detail in cost segregation for commercial real estate.

The Kentucky wrinkle: Kentucky does not follow federal bonus depreciation. Under KRS 141.0101, your Kentucky return uses the older federal depreciation rules, so the big first-year write-off applies to your federal return but not your state return. Kentucky's individual income tax rate dropped to 3.5% for 2026, so the state difference is smaller than the federal benefit, but your CPA has to track two sets of depreciation. Make sure yours does.

3. Using rental losses against your other income

Depreciation often makes a profitable rental show a loss on paper. Whether you can use that loss against your paycheck or business income depends on the passive activity rules (IRS Publication 925):

• The $25,000 allowance. If you actively participate (you approve tenants, set rents, approve repairs), you can deduct up to $25,000 of rental losses against other income. It phases out as your modified adjusted gross income goes from $100,000 to $150,000.
• Real estate professional status. If more than half of your working hours are in real estate businesses you materially participate in, and you put in more than 750 hours a year, your rental losses aren't limited by the passive rules. This is huge for full-time investors, agents and households where one spouse works in real estate.
• The short-term rental rule. If the average guest stays 7 days or less, the IRS doesn't treat it as a "rental activity" under the passive rules. If you also materially participate, those losses can offset other income without real estate professional status. Before you buy a short-term rental in Louisville, check Metro's short-term rental registration and zoning rules for that address.
• Losses you can't use yet aren't lost. Disallowed passive losses carry forward to future years and are released when you sell the property.

4. Deduct every real expense

The basics add up: mortgage interest, property taxes, insurance, repairs, property management, advertising, legal and accounting fees, travel to your properties, and supplies. Keep receipts and a separate bank account for each property or LLC. Repairs (fixing what's there) are deductible right away. Improvements (making it better or longer-lasting) are generally depreciated, though the de minimis and small-taxpayer safe harbors let you expense many smaller items. Ask your CPA which applies.

5. Sell without paying tax now: the 1031 exchange

A 1031 exchange lets you sell an investment property and roll the proceeds into another one without paying capital gains tax or depreciation recapture at the time of sale. You have 45 days to identify the replacement and 180 days to close, and a qualified intermediary has to hold the money. Do it again and again, and the tax keeps getting pushed down the road. Our 1031 exchange guide walks through the deadlines and the traps.

6. Hold longer than a year

Profit on property held a year or less is taxed as ordinary income. Hold it longer than a year, and it's taxed at long-term capital gains rates of 0%, 15% or 20% depending on your income. Flippers pay the most tax for this reason. If a deal works as a rental for 12 months, the tax savings can be worth more than a quick sale.

7. Live in it first: the home sale exclusion

If you own and live in a home for at least two of the five years before you sell, you can exclude up to $250,000 of gain ($500,000 for married couples filing jointly). House hackers use this: buy a duplex or a house with a basement unit, live in part of it, rent the rest, and sell later with much of the gain tax-free. There are rules for time spent as a rental and for depreciation you took, so plan the timeline with your CPA.

8. Opportunity Zones

The 2025 law also made Opportunity Zones permanent. If you invest a capital gain in a qualified opportunity fund, you can defer the tax on that gain, get a basis increase after five years (10%, or 30% in rural zones), and pay no tax on the growth of the new investment if you hold it at least 10 years. A new round of zones starts January 1, 2027, so the map is changing. This is a specialist's game. Bring a CPA who has done it before.

9. Don't overpay your property taxes

Not an income tax, but it comes out of the same pocket every year. If the PVA's assessment is higher than what your property would actually sell for, you can appeal. See our guide to the Jefferson County property tax appeal.

What to bring to your CPA this year

• Closing statements for every property you bought or sold, plus the PVA's land-versus-building split.
• A log of hours you spend on your rentals (dates, what you did, how long). If you're going for real estate professional status or the short-term rental rule, the log is the whole case.
• Your bigger purchases, and the question: "Would a cost segregation study pay for itself on this one?"
• Any property you're thinking about selling in the next two years, and the question: "Should this be a 1031, a hold, or a sale?"
• The question: "Are you tracking my Kentucky depreciation separately from federal?"

Frequently asked questions

Is it legal for real estate investors to pay less in taxes?

Yes. Depreciation, the 1031 exchange, the home sale exclusion, Opportunity Zones and the passive loss rules are all written into the Internal Revenue Code. Using them correctly is ordinary tax planning.

Does Kentucky allow 100% bonus depreciation?

No. Kentucky's depreciation rules (KRS 141.0101) are tied to older federal rules and don't include bonus depreciation, so your state return depreciates on a slower schedule than your federal return.

Can rental losses reduce my W-2 income?

Sometimes. Up to $25,000 of losses can offset other income if you actively participate and your income is under $100,000 (the allowance phases out by $150,000). Real estate professionals and certain short-term rental owners who materially participate can use more.

What is depreciation recapture?

When you sell a rental, the depreciation you took is taxed at up to 25%. A 1031 exchange defers it, and holding until death generally resets the basis for your heirs.

Buy with the tax plan built in

The best tax savings are decided before you sign the purchase contract: which property, how it's titled, what it costs, and how long you'll hold it. Winner Realty helps investors across Louisville and Southern Indiana find properties that fit that plan and works alongside your CPA and attorney. Call or text us at (502) 305-8915.

This article is general information, not tax or legal advice. Winner Realty is a real estate brokerage, not a CPA firm. Tax laws change, and how they apply depends on your situation. Talk to a qualified CPA or tax attorney before acting on anything here.