Selling Your Fullerton Home: How California’s Seller Withholding Rule (Form 593) Works

You have owned your Fullerton house for a long time. Maybe the yard is more than you want to keep up, maybe the floor plan no longer fits how you live, or maybe you are simply weighing what a move would look like. Before you get far into that, it helps to understand one line item that surprises long-time owners: California withholds from your sale proceeds at closing unless you accept an exemption or reduced amount, and the paperwork that governs it is Form 593, the state Real Estate Withholding Statement.

This is a California rule. Swap in another state, and it is simply false, because the withholding, the rate, the thresholds, and the form all come from California law.³ I want to walk you through what is automatic, what you have to claim, and the deadlines that matter, so nothing about it catches you off guard.

What is Form 593 and California’s seller withholding rule?

California’s seller withholding rule comes from Revenue and Taxation Code section 18662, and it directs the buyer or another authorized remitter to withhold state tax from a seller’s proceeds when California real property changes hands.³ The Real Estate Withholding Statement is the consolidated Franchise Tax Board form the remitter uses to report that withholding.⁷

The default rate is 3⅓% of the sales price when the price exceeds $100,000, a threshold many Fullerton residential sales will exceed.³ A payment voucher goes in with the withholding payment.¹

Here is the part people miss. That withheld amount is not your tax bill. It is a prepayment, a credit you later claim on your California return.¹ If your actual California tax on the sale turns out lower, the difference comes back when you file, not at closing.

Those citywide figures describe market conditions, not your specific house’s value. A citywide median mixes detached houses, townhomes, and condos, so it is not a comp for your property.⁸ I say that because the withholding is a percentage of your actual sales price, and the only honest way to estimate that is to pull closed sales inside your own tract.

What is automatic, and what must you claim yourself?

Withholding is automatic unless an exception is accepted: the deal is a sale of California real property, the price tops $100,000, and no exemption, exclusion, or reduced-withholding certification has been provided.³ For a typical residential sale above that threshold, seller-side exemptions or a reduced amount need to be certified in writing before closing.

Owning the place as your principal residence does not automatically stop withholding. Neither does expecting little or no gain. You, the seller, must provide the completed withholding information, with the right certification, to the escrow holder or other remitter before closing.⁵

In my experience, people get tripped up after closing. Once the money is gone, escrow generally cannot claw it back just because you decide the withholding was unnecessary. At that point, you recover it as a credit on your California return, not through the closing itself.¹ That is exactly why I push sellers to sort the certification out before the closing package is finalized.

What deadlines matter in a Fullerton sale?

For a conventional closing, two timing points matter most. Before closing, you provide the completed withholding information to the escrow holder or qualified intermediary if you want to avoid withholding or claim a reduced amount.⁵ If withholding is collected, after closing the remitter sends the withholding statement, any required payment voucher, and the payment to the Franchise Tax Board by the 20th day of the month following the month escrow closes.¹

The remitter must also give you a copy of the withholding statement by that same 20th-day deadline.² Keep that copy; it is what supports the credit on your return.

A couple of examples make the timing concrete. If escrow closes March 10, the filing and payment are due April 20. If it closes December 31, they are due January 20 of the following year. For an installment sale, the deadline generally runs to the 20th of the month after each installment payment is made.⁴

Does the withholding go to Orange County or to the state?

State withholding filings go to the California Franchise Tax Board, not the Orange County Assessor, the Clerk-Recorder, or any City of Fullerton office.⁷ There is no separate Orange County version of this withholding statement and no county-specific deadline in the authoritative materials.

That is worth saying plainly because Fullerton sales involve the county in a different way. The county documentary transfer tax and recording are handled through the recording process, which is distinct from seller income-tax withholding. If you want the current Orange County recording form or procedure, confirm it with the Orange County Clerk-Recorder rather than assuming it from the state withholding rules.¹⁰

Wherever your house sits in Fullerton, the withholding filing travels the same route to the state. The county changes your transfer-tax and recording paperwork, not your state withholding obligation.

How does this fit with the price of a long-held Fullerton home?

Because the withholding is a percentage of your sales price, the number that drives it is what your house actually sells for, and a long-held home here can carry a meaningful figure. For detached houses the Redfin property-type median was $1,224,512, for townhomes $879,510, and for condos $577,441, all for the rolling 3 months ending September 30, 2026.⁸ Use the one that matches your housing type, not the all-property citywide median, which blends the three.

Overall, Fullerton’s citywide median sat at $1,050,000 for the rolling 3 months ending September 30, 2026, up roughly 4.7% from $1,003,000 a year earlier.⁸ Homes took a median of 40 days to sell, and supply ran at 2.3 months. Those numbers tell you the pace of selling; they do not tell you your price, which requires closed sales inside your own tract, and I am glad to pull those for you.

One caution that applies to everyone, not just to withholding math. Equity is a sale-planning estimate; taxable gain is a tax calculation.⁹ A big price and a paid-off loan can mean a lot of equity and still a modest tax picture, or not, depending on facts only your CPA can confirm.

If you are weighing where any of your proceeds land after a move, a common thread for long-time owners is the capital gains question and, separately, whether you can carry your property tax base. I keep those as separate conversations, and I refer both to a CPA for the actual figures.

What should your CPA or attorney confirm before closing?

Revenue and Taxation Code section 18662 sets the statutory default, and the state form requirements and remitter deadlines are in the FTB instructions; your eligibility for any specific exemption or reduced amount is fact-specific and shouldn’t be assumed.³¹² That is the dividing line between what I can tell you and what your own advisors have to decide.

Bring these questions to your CPA or a real estate attorney well before escrow closes. Whether you qualify for a full exemption from withholding, or a reduced amount. Whether your facts satisfy a principal-residence, loss, gain, installment-sale, like-kind-exchange, entity, or trust exception. Whether the withheld amount belongs on a California resident or nonresident return, and which current state withholding statement applies to your closing date.⁵

I won’t guess at your eligibility, and I would be wary of anyone who does. The default is clear; the exceptions turn on facts such as residence use, California gain or loss, entity status, trust ownership, installment terms, or exchange treatment. Get those confirmed in writing before the certification goes to escrow. The taxable-gain mechanics, including your adjusted basis and any exclusion you qualify for, are set out in IRS Publication 523, and your CPA can apply them to your facts.⁹

Updated October 2026. More Fullerton market details are on our Fullerton hub page. Commissions are negotiable.

Wendy Rawley

REALTOR® | DRE #01898824

Wendy helps long-time Fullerton owners plan a sale with the Form 593 withholding understood up front, coordinating with escrow and your own CPA. Reach her and First Team Real Estate at (714) 746-6355.

With more than a decade in Southern California real estate, the Wendy Rawley Team has represented 175 home sellers and 104 buyers.⁶ These figures reflect prior closed transactions and do not guarantee future results.