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1031 Exchange Basics for California Commercial Property Owners

By BRG Realty Business & Commercial Team · October 7, 2026 · 6 min read

A 1031 exchange lets you sell investment or business real estate and defer capital gains tax by reinvesting the proceeds in other real estate. For Bay Area owners sitting on large gains, it can be the difference between trading up and writing a big check.

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The basics

  • Like-kind: real property held for investment or business use can be exchanged for other real property held the same way. An office building can become a warehouse, a retail center or rental property.
  • Qualified intermediary: you can't touch the sale proceeds. A qualified intermediary holds the funds between the sale and the purchase.
  • Equal or greater value: to defer all of the tax, you generally buy property of equal or greater value and reinvest all the net proceeds.

The two deadlines

DeadlineWhat happens
45 days after the saleIdentify replacement property in writing
180 days after the saleClose on the replacement property

These deadlines are strict, so line up replacement options before you list.

California-specific points

If you sell California property and buy replacement property in another state, California tracks the deferred gain and requires annual reporting to the Franchise Tax Board. California may tax that gain when the out-of-state property is eventually sold.

Tax rules are complex and change. Work with your CPA and a qualified intermediary before you sell. We coordinate the real estate side.

Selling because a loan is maturing?

If your commercial loan is coming due, a sale paired with a 1031 exchange can move your equity into property that pencils at today's rates.

Want more information?

Talk to our team

Have a question about this topic, or about your own business or property? Send a note and the right person on our team will get back to you.

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Prefer to call or email? 530-282-5228 · val@atlanticandvine.com

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