1031 Exchange Explained: How Real Estate Investors Defer Capital Gains Tax

A 1031 exchange is one of the most powerful tools in real estate investing. Used correctly, it lets you sell an investment property and roll the entire proceeds into a replacement property — deferring what would have been a large capital gains tax bill. Your full capital stays working. Your portfolio grows faster.

The Basic Concept

When you sell an investment property for more than you paid, the IRS taxes the gain. For properties held longer than a year, federal long-term capital gains rates apply — 0%, 15%, or 20% depending on your income. On top of that, depreciation recapture is taxed at up to 25%, and high earners may owe an additional 3.8% Net Investment Income Tax. A 1031 exchange defers all of that.

The Timeline Rules

• 45-day identification window: From the day you close on the sale, you have exactly 45 days to identify potential replacement properties in writing to your qualified intermediary
• 180-day exchange window: You must close on the replacement property within 180 days of selling the relinquished property

These deadlines are not flexible. Start identifying replacement properties before you close on the sale — not after.

The Qualified Intermediary Requirement

You cannot touch the proceeds from your sale during the exchange. You must use a Qualified Intermediary (QI) who holds the proceeds in escrow and funds the replacement purchase. Choose your QI before you close on the relinquished property. QI fees typically run $800–1,500 for a standard exchange.

What Qualifies

• Held for investment or business use: Your primary residence does not qualify
• Like-kind property: Almost any real property qualifies as like-kind to any other real property — you can exchange a single-family rental for a commercial building or raw land
• Located in the United States: You cannot exchange U.S. property for foreign property

How Much Can You Save?

Consider a property purchased for $200,000 with $40,000 in depreciation taken, now worth $500,000. Without a 1031 exchange, your federal tax bill might be $83,000 or more. With a properly executed exchange: $0 due now. You reinvest the full $500,000 into a replacement property. The tax is deferred — potentially indefinitely if you continue exchanging, or eliminated if you hold until death under current stepped-up basis rules.

When a 1031 Doesn’t Make Sense

• Your capital gain is small and exchange costs outweigh the tax savings
• You’re in a low income year and your capital gains rate would be 0% anyway
• You need the cash from the sale
• You can’t find a suitable replacement property you actually want to own

Work with a CPA who has experience with real estate investors and engage your Qualified Intermediary early — before you list the property for sale. See our guide on how to find a real estate CPA for guidance on finding the right professional.