If you've owned a rental for a while, it has probably appreciated enough that you've considered selling. Then you run the numbers on what you'd actually walk away with. Between federal capital gains tax, depreciation recapture, and state income tax, the tax bill on a sale can easily run into the tens of thousands of dollars. The good news is the tax code offers a way to keep much of it working for you.
What a 1031 Exchange Actually Is
Section 1031 of the tax code lets you sell an investment property and roll the proceeds into another investment property without paying tax on the sale. The tax isn't forgiven. It's deferred, potentially for decades, while your money keeps compounding in real estate instead of being sent straight to the government. Despite the word "exchange," you're not swapping houses with another investor. In practice, you sell your property to a normal buyer, the proceeds go to a qualified intermediary, and you use them to buy your next property. Done correctly, the IRS treats the whole thing as one continuous investment. The qualified intermediary is a neutral third party who holds the money between your sale and your purchase. That role exists for a simple reason: if the proceeds pass through your hands, even briefly, you've received the money and the exchange fails. The intermediary also prepares the exchange documents and coordinates with both closings.
What Qualifies
The general framework is relatively simple:
- The property you sell and the property you buy must both be held for investment or business use. Rentals qualify. Your personal residence does not.
- The replacement must be "like-kind," but for real estate that term is broad. A rental house can be exchanged for a duplex, a small commercial building, farmland, or even vacant land held for investment.
- To defer all of the tax, you generally need to buy a property of equal or greater value and reinvest all of your net proceeds. Take some cash off the table and that portion gets taxed.
The Two Deadlines That Matter
Once your sale closes, two clocks start running at the same time:
1. 45 days to identify, in writing, the replacement property or properties you may buy. The identification must be signed and delivered to your qualified intermediary, and you can revise it as many times as you want inside the window. You just can't change it afterward.
Most people identify more than one property, for the obvious reason that a deal can fall apart. There are two common rules that govern how you may identify potential replacement properties:
- The three property rule lets you identify up to three properties, at any value. This is what most investors use, and it's the simpler of the options.
- The 200% rule lets you identify as many properties as you want, as long as their combined value doesn't exceed twice the sale price of the property you sold. So if you sold for $400,000, you could identify six properties totaling up to $800,000.
You only have to satisfy one of them, and identifying a property doesn't commit you to buying it. It just means you can't buy anything you didn't name.
2. 180 days to actually close on your purchase. These are calendar days, not business days, and there are almost never extensions. Miss either deadline and the exchange fails.
Is an Exchange Right for Every Sale?
No. If your gain is small or if you want the cash for something outside real estate, paying the tax may be the simpler and better move. The important thing is that you should know what the tax bill will be, and what your options are, before you sign a listing agreement.
As a real estate attorney at Kinkead & Stilz, PLLC here in Lexington, KY, I also work with our firm's qualified intermediary, K&S General Exchange, LLC, to help investors plan and complete 1031 exchanges from start to finish. If a sale is on your horizon, even months out, I'm happy to be a resource. A short conversation before you list can be the difference between deferring the tax and writing the check.
This article is general information, not legal or tax advice. Talk with your attorney and tax advisor about your specific situation.

