Legal Information Notice
This guide provides general educational information about 1031 like-kind exchanges. It is not tax or legal advice. 1031 exchange rules are complex, timing is strict, and errors result in full immediate capital gains tax recognition. Consult a licensed tax attorney, CPA, and qualified intermediary before attempting a 1031 exchange. Reading this does not create an attorney-client relationship.
What Is a 1031 Exchange?
Section 1031 of the Internal Revenue Code allows investors to sell investment or business-use real property and defer federal capital gains taxes by reinvesting the proceeds into another qualifying like-kind property. California conforms to federal 1031 exchange rules, so California state capital gains can also be deferred — making the benefit particularly significant for California investors who would otherwise face combined federal and state capital gains rates approaching 37%+.
The exchange does not permanently eliminate the tax — it defers it to a future sale. But with proper long-term planning (including a potential stepped-up basis at death), deferred gains may never be recognized in a taxpayer's lifetime.
What Qualifies for a 1031 Exchange
Not all property qualifies. For a 1031 exchange to work:
- Both the property sold (the "relinquished property") and the property acquired (the "replacement property") must be held for investment or productive use in trade or business — not for personal use or sale
- Both must be real property — the Tax Cuts and Jobs Act of 2017 eliminated 1031 exchange treatment for personal property (equipment, vehicles, etc.)
- The properties must be "like-kind" — for real estate, this is broadly interpreted. A California apartment building can be exchanged for a Texas office building; a farmland parcel can be exchanged for a retail center. The like-kind requirement is flexible for real estate.
What does NOT qualify: primary residences (though the Section 121 exclusion may apply), vacation homes used primarily for personal use, property held primarily for sale (dealer property or fix-and-flip projects), stocks, bonds, and personal property.
The Critical Deadlines: 45 Days and 180 Days
The most common way 1031 exchanges fail is by missing one of two strict IRS deadlines. These cannot be extended except in presidentially declared natural disaster areas.
The Two Hard Deadlines
45-Day Identification Deadline: Within 45 days of closing on the sale of your relinquished property, you must identify potential replacement properties in writing and deliver that identification to your qualified intermediary or the seller of the replacement property. You may identify up to 3 properties of any value (the 3-property rule), or more properties under other identification rules.
180-Day Exchange Deadline: You must close on the acquisition of the replacement property within 180 days of closing on the relinquished property sale — OR by the due date of your federal tax return (including extensions) for the year of sale, whichever is earlier. If your sale closes in October and your tax return is due April 15 without extension, the effective deadline may be less than 180 days unless you file for an extension.
These deadlines are strictly enforced. Missing either deadline means the exchange fails and capital gains are recognized immediately. Consult a qualified intermediary before closing on your sale.
The Qualified Intermediary: A Required Party
A Qualified Intermediary (QI) — also called an exchange accommodator — is a third party that must hold the exchange proceeds between the sale and the purchase. You cannot receive or control the funds at any point during the exchange.
IRS regulations are strict about who can serve as a QI. Your attorney, CPA, real estate agent, or anyone who has provided certain professional services to you within the prior 2 years generally cannot serve as your QI. A specialized exchange company or independent trust company is typically used.
The QI must be engaged before the closing on the relinquished property — you cannot add the QI after the fact. This is another reason to plan the exchange before, not after, signing a sale agreement.
Understanding "Boot" — When You Owe Tax Anyway
Boot is any value you receive in an exchange that is not like-kind replacement property. Boot is taxable even in an otherwise qualifying 1031 exchange. Common sources of boot include:
- Cash you receive from the exchange (mortgage boot or cash boot)
- Debt relief — if you sell a property with a $500,000 mortgage and buy a replacement with only a $300,000 mortgage, the $200,000 in debt relief is boot
- Non-like-kind property received as part of the exchange
- Exchange expenses paid from exchange funds that do not qualify as closing costs
To fully defer all capital gains, the replacement property must be of equal or greater value than the relinquished property, all exchange equity must be reinvested, and you must replace any debt with equal or greater debt on the replacement property.
California's "Clawback" Rule: An Important Wrinkle
California has a unique provision that affects California investors who exchange into out-of-state property. If you sell California property in a 1031 exchange and acquire replacement property outside California, California requires you to file an annual information return (FTB Form 3840) tracking the deferred gain. When you eventually sell the out-of-state replacement property — even if you do another 1031 exchange — California may assert its right to tax the gain that originated from the California property.
This "clawback" provision ensures California can eventually collect the deferred California capital gains tax, even if the gain is recognized in another state. California investors exchanging into out-of-state property should be aware of this ongoing compliance obligation.
1031 Exchange + Death = Permanent Deferral
One of the most powerful long-term strategies in real estate investing is combining 1031 exchanges with estate planning. An investor who continuously exchanges appreciated investment properties throughout their lifetime carries a low carryover basis in each new property. At death, the heir receives the property with a stepped-up basis to current fair market value — permanently eliminating the deferred capital gains tax that built up over a lifetime of exchanging.
This strategy can effectively convert a tax deferral into a permanent tax elimination. However, it requires careful coordination with estate planning documents to ensure the property passes correctly and the stepped-up basis is properly documented. A California estate planning attorney and tax advisor should work together on this type of long-term plan.
General information. This strategy has legal and tax implications that vary by individual circumstances. Consult a licensed estate planning attorney and CPA before implementing.