Delaware Corporation in California: What It Really Costs

A few times a year someone forwards me a California notice with some version of the same question attached: what is this penalty actually for? They filed on time. They paid what the return said they owed. The notice showed a couple of days ago, and the due date printed on it has often passed by the time the envelope is open.

One of the common causes, is the company was formed in Delaware, the way so many services recommend, but then run entirely out of California without ever being registered here. That gap is usually what leads to the issue of the notice, and subsequent penalties.

Does a Delaware corporation save you anything in California?

Almost nothing, if California is where you actually work. A Delaware corporation in California owes the same $800 minimum franchise tax a California one owes, plus Delaware's annual fees, plus a registration step here. Delaware earns its keep for venture financing. For a small business operating in California, it mostly adds paperwork.

The fees are not really the problem

Most posts on this topic oversell the damage, so here's the honest comparison first.

California's $800 minimum franchise tax is owed by any corporation doing business here, whatever state formed it. You don't dodge it by incorporating in Delaware, and you don't pay it twice. A California S-Corp pays $800. A Delaware S-Corp operating in California pays $800. Same number.

So what does Delaware actually add?

What the Delaware corporation costs on top of a California one

• Delaware franchise tax, authorized shares method minimum: $175

• Delaware annual report fee: $50

• Delaware registered agent: roughly $50 to $300, depending on the provider

• California foreign qualification, one time: $100

• Ongoing difference: about $275 to $525 a year

That's the whole delta. A few hundred dollars. Not nothing when you're doing five figures, but if you've been told the Delaware corporation is bleeding you dry, it isn't. The expensive part sits somewhere else entirely.

The step nobody mentions when they sell you the Delaware corporation

A corporation formed in Delaware and run from California is a foreign corporation in California's eyes, and it has to register here. The filing is the Statement and Designation by Foreign Corporation, it goes to the California Secretary of State, and it costs $100.

Skipping it does not get you out of the tax. The 2025 Form 100S booklet puts S corporations on the hook for the minimum franchise tax if they are, among other things, "doing business in California, whether or not incorporated, organized, qualified, or registered under California law." Registered or not, you owe the $800.

What skipping it can cost you is the waiver.

California doesn't charge the minimum in an S-Corp's first year. The FTB's S corporations page says it plainly:

"We waive the minimum tax on newly formed or qualified S corporations filing an initial return for their first taxable year." Any first-year net income "is still subject to the 1.5% tax rate."

Read that as conditions that have to line up, because that's how it works in practice. It has to be the corporation's first taxable year, the corporation has to be newly formed or qualified in California, and it has to be an initial return. The statute behind it, R&TC 23153(f)(1), uses the same pairing: a corporation "that incorporates or qualifies to do business in this state" isn't subject to the minimum franchise tax "for its first taxable year."

Operate first and register later and those conditions come apart. The year you started doing business here is your first California taxable year, and in that year you weren't newly formed or qualified in California. By the time you do qualify, it isn't your first taxable year anymore.

Nothing in the statute or the FTB's publications says the waiver slides forward to the year you finally register. What the state does in practice is reset that first year to the full $800 and bill the difference, with penalty and interest, a year and a half after the fact.

What that costs, in round numbers

Take a company with $12,000 of profit in its first year.

• Year one: formed in Delaware, operating from California, never registered here

• Year one return filed as an initial return claiming the waiver, tax computed at 1.5% on the $12,000: $180 paid

• Year two: the company finally registers with the California Secretary of State

• The state's records show no California registration in year one, so year one gets reset to the $800 minimum

• Balance after crediting the $180, plus an estimate penalty and interest: roughly $690

• And year two's $800 was due April 15 of year two, so a second notice is already coming

Two notices, close to $1,500, and a waiver that's simply gone. The registration that would have prevented it costs $100 and an afternoon.

The order matters more than the paperwork does, which is the kind of thing that's obvious in hindsight and invisible in advance. It's also cheap to ask about and expensive to find out.

"But my sales are nowhere near $757,070"

This is the other place founders talk themselves into trouble, and it's an honest misreading rather than wishful thinking.

California publishes bright-line thresholds for doing business here. For 2025 they sit at California sales above $757,070, or California property or payroll above $75,707, and the figures are indexed so they move every year. Founders find those numbers, compare them against a business doing $40,000, and conclude they're in the clear.

Those thresholds are one way to be doing business in California. They are not a floor. The FTB's definition leads with something far broader: you're doing business here if you "engage in any transaction for the purpose of financial gain within California," or if you're "organized or commercially domiciled" here.

A one-person company run out of a home office in Glendale or Pasadena is engaging in transactions for financial gain within California from its first invoice. The thresholds never come into it. They exist to catch out-of-state companies with no physical presence here, not to excuse companies that are physically here.

When Delaware is genuinely the right answer

It isn't always wrong, and you deserve the fair version rather than being talked out of something you might actually need.

Delaware earns its keep when you're raising institutional money. Venture funds expect a Delaware corporation, their documents are built around Delaware corporate law, and converting later is doable but costs legal fees and calendar time. If a priced round is realistic within a couple of years, forming in Delaware now is a sensible bet and a few hundred a year is cheap insurance. Worth knowing that the S election itself usually has to go when institutional money arrives, since most funds can't be S-Corp shareholders.

Delaware is mostly decoration when you're a consultant, a coach, a creative, a solo practitioner, or any service business funding itself from revenue. The corporate law advantages are about shareholder disputes and board governance. Those are real problems for companies with boards and outside shareholders. They aren't your problems when the entire cap table is you, and an S-Corp with one shareholder is about as far from that world as you can get.

If you're in the second group and the Delaware corporation already exists, the fix isn't urgent. You're spending a few hundred a year, not bleeding out. Register it in California so the compliance picture is clean, then decide about the structure at a calmer moment. If you're still working out whether the S election itself is pulling its weight, what federal reporting actually changes when you elect S-Corp status covers that side of it.

What to actually do

Forming now, with the work happening in California? Form in California, unless outside investment is genuinely on the horizon. Already running a Delaware S-Corp from here? Register it with the California Secretary of State this year rather than next, because the registration is cheap and the gap is not. And if a notice has already arrived, pay it inside the window printed on it and treat the second one as a question of when, not whether.

If you're holding a notice you can't parse, or you're about to form something and want a second opinion first, let's talk it through. Reliably cheaper before than after.

This is general information, not advice for your particular company. Entity choice turns on facts a blog post can't see, and the rules move. Talk to a CPA (ideally us) before you form, register, or dissolve anything.