1031 Exchange in California: How to Defer $50K–$200K in Capital Gains Taxes

A 1031 exchange allows you to sell an investment property and reinvest the proceeds into a new "like-kind" property while deferring 100% of your capital gains taxes — federal AND California state taxes. On a typical Antelope Valley rental property purchased for $280,000 in 2019 and now worth $460,000, that is $180,000 in gain, translating to roughly $45,000–$55,000 in combined taxes you can defer entirely. But there is zero margin for error: miss the 45-day identification deadline or the 180-day closing deadline and you owe every penny. Here is how it works.

Who Qualifies for a 1031 Exchange

• The property you sell must be held for investment or business use — NOT your primary residence.
• The replacement property must also be for investment or business use.
• Both properties must be "like-kind" — in real estate, virtually any property type qualifies (rental house for commercial building, land for apartment complex).
• You cannot exchange U.S. property for foreign property.
• You must use a Qualified Intermediary (QI) — you cannot touch the sale proceeds.
• If you lived in the property as your primary residence, different rules apply (Section 121 exclusion instead).

The Two Deadlines That Cannot Be Missed

California-Specific 1031 Rules: Form 593 and Clawback

California adds complexity. Unlike most states, California tracks your 1031 exchange with Form 593 (Real Estate Withholding) and Form FTB 3840 (Like-Kind Exchanges). If you exchange a California property for an out-of-state property, California retains the right to tax the deferred gain when you eventually sell the replacement property — even if you have moved to a no-income-tax state. This is California's "clawback" provision, and it is unique to this state. Work with a CPA who understands California's cross-state exchange rules.

AV Investor Scenario: The Numbers

Suppose you own a rental duplex in Lancaster purchased in 2018 for $320,000. It is now worth $510,000. Without a 1031 exchange, you face approximately $47,500 in federal capital gains tax (20% of $190,000 gain) plus $17,860 in California state tax (9.3%) plus $7,220 in depreciation recapture — roughly $72,580 in total taxes. With a 1031 exchange, you reinvest the full $510,000 into a fourplex in Palmdale and defer the entire $72,580. That deferred tax money keeps working for you as equity in the new property. Get your current property value at /en/sell-my-home/#report to see if a 1031 exchange makes sense.

Step-by-Step: How to Execute a 1031 Exchange

• Step 1: Engage a Qualified Intermediary (QI) BEFORE listing your property. QI fees run $750–$1,500.
• Step 2: List and sell your investment property. Sale proceeds go directly to the QI — not to you.
• Step 3: Within 45 days of closing, identify up to 3 replacement properties in writing to your QI.
• Step 4: Negotiate and open escrow on the replacement property.
• Step 5: Close on the replacement property within 180 days. The QI sends funds directly to escrow.
• Step 6: File IRS Form 8824 and California FTB 3840 with your tax return.

When a 1031 Exchange Does NOT Make Sense

A 1031 exchange is not always the right move. If your capital gains are small (under $50,000), the QI fees, rush timeline, and limited property selection may not justify the hassle. If you want to cash out entirely and do not plan to buy another investment property, a 1031 exchange is not applicable. If the replacement properties available within 45 days are overpriced, you may be better off paying the tax than overpaying for a property. And if you are over 65 and plan to hold the replacement property until death, the step-up in basis at death eliminates the deferred gain — making the 1031 exchange a permanent tax avoidance tool. For related tax strategies, see our guide on selling rental property at /en/blog/sell-rental-property-california-tax-guide and capital gains at /en/blog/closing-costs-buying-home-california.