Like-Kind Exchange (IRC 1031) for Small Business Real Estate

By Yarik Yarosh, CPA ·September 5, 2026 ·Updated September 23, 2026 ·7 min read

Written by Yarik Yarosh, CPA (US & Canada) September 5, 2026 · FL CPA license AC61704 · CPA Ontario

The like-kind exchange under IRC 1031 is the most powerful tax deferral tool for real estate investors and business owners who hold real property. It allows you to sell a business or investment property and defer ALL capital gains tax (federal and state) by reinvesting the proceeds in a replacement property of “like kind.” After the Tax Cuts and Jobs Act (TCJA, 2017), Section 1031 applies ONLY to real property (real estate). Personal property (equipment, vehicles, machinery) no longer qualifies. For small business owners who own their building, a warehouse, or rental properties, the like-kind exchange can defer hundreds of thousands in capital gains tax, allowing the full sale proceeds to work in the replacement property.

✓Key takeaway

1031 exchange rules:

What qualifies:

Business real estate (office, warehouse, retail, shop)
Investment real estate (rental properties, vacant land held for investment)
Real property exchanged for real property (any type for any type: you can exchange a warehouse for an apartment building, or vacant land for a commercial building)
Properties must be in the US (no foreign exchanges)

What does NOT qualify (after TCJA):

Personal property (equipment, vehicles, machinery, furniture)
Inventory or stock in trade (property held primarily for sale)
Primary residence (your personal home)
Partnership interests (but interests in an LLC that owns real estate may qualify)

Strict deadlines:

45-day identification period: from the closing of the relinquished property, you have exactly 45 calendar days to identify potential replacement properties in writing to the qualified intermediary (QI). You can identify up to 3 properties (regardless of value) OR any number of properties as long as total value doesn’t exceed 200% of the relinquished property’s value.
180-day exchange period: the replacement property must close within 180 calendar days of the relinquished property’s closing (or by the tax return due date, including extensions, if earlier).
These deadlines are absolute. No extensions, no exceptions, no “reasonable cause” relief. Missing either deadline by one day converts the exchange into a fully taxable sale.

Qualified intermediary (QI) requirement:

A QI must hold the sale proceeds between the sale and the purchase
The seller CANNOT touch the money at any point (this is called “constructive receipt” and disqualifies the exchange)
The QI cannot be the taxpayer’s agent, attorney, accountant, or broker (within the prior 2 years)
QI fees: typically $750-$1,500 per exchange

Boot (taxable portion):

“Boot” is any non-like-kind property received in the exchange: cash, debt relief, personal property
Example: sell for $500,000, buy replacement for $450,000. The $50,000 difference is “boot” and is taxable.
To fully defer all gains: the replacement property must be EQUAL OR GREATER in value, and ALL equity must be reinvested (no cash pulled out)

Depreciation recapture:

The replacement property inherits the depreciation schedule of the relinquished property
This means the deferred gain is not forgiven, it’s deferred until a future taxable sale
Exception: if the owner dies holding the property, the heir receives a stepped-up basis under IRC 1014, potentially eliminating the deferred gain entirely

How much does a 1031 exchange save?

Hypothetical example

Round numbers. A small business owner sells their warehouse (used in the business for 15 years) and buys a larger warehouse.

Relinquished property (the one being sold):

Original purchase price: $300,000
Accumulated depreciation (15 years): $115,000
Adjusted basis: $300,000 - $115,000 = $185,000
Sale price: $600,000
Gain: $600,000 - $185,000 = $415,000

Tax if sold without 1031 exchange:

Depreciation recapture ($115,000 x 25%): $28,750
Capital gain ($300,000 long-term gain x 20%): $60,000
Net investment income tax (3.8%): $15,770
State capital gains (estimated 5%): $20,750
Total tax: $125,270

Tax with 1031 exchange into a $700,000 replacement property:

Gain deferred: $415,000
Tax deferred: $125,270
Tax paid now: $0
QI fee: $1,000
Net tax savings: $124,270

What happens to the deferred gain: The replacement property’s basis is $700,000 - $415,000 (deferred gain) = $285,000. If the owner sells the replacement property for $900,000 in 10 years without another 1031 exchange, the gain will be $900,000 - $285,000 + accumulated depreciation = a larger gain. But if the owner does another 1031 exchange, the gain defers again. And if the owner holds the property until death, the heir gets a stepped-up basis to fair market value, and the deferred gain disappears.

The 1031-to-death strategy:

Age 50: buy property for $300,000
Age 65: sell for $600,000, 1031 exchange into $700,000 property
Age 75: sell for $900,000, 1031 exchange into $1,000,000 property
Age 85: owner passes away. Heir inherits at stepped-up basis of $1,200,000 (current FMV)
Total capital gains tax paid on 35 years of real estate appreciation: $0

This is legal, commonly used, and one of the primary wealth-building strategies for real estate investors. The combination of 1031 exchanges during life and stepped-up basis at death creates a legitimate path to never paying capital gains tax on investment real estate.

Illustrative numbers only, not a real client and not advice for your facts.

What are the strict deadlines for completing a 1031 exchange?

A 1031 exchange imposes two non-negotiable deadlines. You have 45 calendar days from the date you sell the relinquished property to identify potential replacement properties in writing to the qualified intermediary. You must close on the replacement property within 180 calendar days of the sale (or by the due date of your tax return, including extensions, whichever comes first). These deadlines cannot be extended, even for weekends or holidays. If you miss either deadline, the entire exchange fails and the full gain becomes taxable in the year of the original sale.

What is real estate professional status and why does it matter for taxes?

Real estate professional status (REPS) under IRC 469(c)(7) removes the automatic passive label from rental real estate, so if you also materially participate, rental losses can offset ordinary income without the $25,000 active participation limitation. To qualify, you must spend more than 750 hours in real property trades or businesses in which you materially participate during the year AND more than half of your total working hours must be in those activities. Each rental property must be separately evaluated for material participation unless you elect to aggregate all rental activities. This status is particularly valuable for taxpayers with significant rental depreciation deductions that would otherwise be suspended as passive losses. The IRS closely scrutinizes REPS claims, so detailed time logs are essential.

Related guides:

Section 1031 Like-Kind Exchanges: Deferring Tax on Real Property Sales
IRC 1031 Like-Kind Exchange: Deferring Tax on Business Real Property Sales
1031 Like-Kind Exchanges: How to Defer Capital Gains on Real Estate Indefinit…

Does managing a rental yourself make its losses non-passive?

No. Rental activity is passive by default whatever your level of participation, so handling tenants and repairs yourself doesn’t change the label on a building or warehouse you rent out. Your involvement does matter for the $25,000 allowance, which needs only active participation, like approving tenants, setting rental terms, and approving expenses.

That allowance also needs at least 10% ownership and modified AGI of $100,000 or less, and it phases down to zero at $150,000. Past that, the route is real estate professional status: more than half your working hours and more than 750 hours in real property trades or businesses you materially participate in, and then material participation in the rental itself.

Any loss you can’t use carries forward to later years. Exchanging the property generally won’t free those carried-forward losses, because a 1031 exchange doesn’t recognize all of the gain. A fully taxable sale of your entire interest to an unrelated buyer would.

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Cite this page

Yarik Yarosh, CPA. "Like-Kind Exchange (IRC 1031) for Small Business Real Estate." Blue Cloud CPA, September 5, 2026, updated September 23, 2026. https://bluecloudcpa.com/guides/small-business-1031-exchange-real-estate-deferral

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.