California
Reviewed March 2026Federal §453 conformity
Yes. California taxes your gain in the year you actually receive each payment, the same way the IRS does. The deferral you set up federally works at the state level too — as long as California still has the right to tax you, which is exactly what the sourcing rules below are about.
Nonresident sourcing
If the business or property you sold was in California, California treats the gain as California income — even if you, the seller, live somewhere else. Each installment payment carries that California label with it.
Withholding
Sales of California real estate on installment terms require the buyer (or escrow) to withhold a slice of each principal payment and send it to the state. It is a prepayment of your tax, not an extra tax — but it has to be planned into the payment schedule so the cash flow works.
Selling, then moving (residency change)
Moving to Texas or Florida after closing usually does not stop California from taxing the rest of your payments. If the gain came from a California business or California real estate, every future payment is still California income no matter where you live when the check arrives. This is the single most common surprise sellers encounter, and it has to be planned before the sale — not after.
Pass-through entity (PTE) tax election
If you are selling through an S corporation or partnership, California offers an elective entity-level tax that converts your state tax into a federal deduction — the SALT cap workaround. It can apply to installment gain, but only for years the entity exists and makes the election, and the election must be renewed every year payments arrive. Liquidating the company right after closing is the move that quietly forfeits it.
Estate and IRD
California has no state estate tax. If the seller dies while payments are still coming, the remaining payments are taxed to whoever receives them — the deferral does not disappear at death, and California's claim on California-source gain does not either.
Planning notes
Three things to settle before signing: how Form 593 withholding interacts with your payment schedule, whether a planned move changes anything (it usually changes less than sellers hope), and whether the deferral still makes sense at California's rates — which is often where it makes the most sense of all.
Installment sales of California real property require withholding on each principal payment (Form 593), generally 3⅓% of the sales price unless an alternative election applies. Plan for this in the payment schedule.
The PTE election is made year by year. Capturing the SALT-cap workaround on installment payments received in future years requires the selling entity to remain in existence and elect annually — dissolving it at closing quietly forfeits the benefit for every remaining payment.
Educational information, current as of the March 2026 review. State law changes; confirm treatment with a qualified advisor before structuring a transaction.
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