August 30, 2026 7:34 pm
Every Bay Area business owner reaches a point where someone tells them to look into an S-corp election. Revenue is climbing, the self-employment tax bill from last April still stings, and the advice sounds reasonable. The problem is that most of the guides out there treat this as a simple federal math problem and California is anything but simple.
The state adds its own franchise tax, its own LLC gross receipts fee structure, and its own rules that can shift the breakeven point in ways that catch business owners off guard. The right structure depends on your net profit, how you pay yourself, and what California specifically charges your entity type. Here is how to think through it properly.
First, a distinction worth making clearly: an LLC is a legal structure. An S-corp is a tax election. You do not choose one or the other the way you choose between two different business types. You form an LLC (or a corporation), and then you elect S-corp tax treatment by filing Form 2553 with the IRS.
The question, properly framed, is: should your LLC be taxed as a sole proprietorship by default, or should you elect S-corp treatment? The tax treatment is what changes. Your legal liability protection stays the same either way.
When you run a single-member LLC and have not made any election, the IRS treats your business as a disregarded entity. All net profit flows directly to your personal return on Schedule C and gets hit with self-employment tax at 15.3%. That rate covers 12.4% for Social Security (applied on income up to the $184,500 2026 wage base) and 2.9% for Medicare with no ceiling.
On $120,000 in net profit, that is roughly $16,960 in self-employment tax before your regular income tax enters the picture.
California then adds the $800 annual minimum franchise tax. If your gross receipts cross $250,000, a separate LLC gross receipts fee applies on top, graduating from $900 at the $250,000 threshold up to $11,790 for receipts above $5 million.
Once you elect S-corp status, the business pays you a W-2 salary, and that salary is the only portion subject to payroll taxes. Net profit above the salary passes through to you as a distribution, and distributions do not get hit with the 15.3% self-employment tax. The savings come entirely from the gap between your salary and your total profit.
An illustrative example with 2026 numbers:
Default LLC | S-Corp Election | |
Net profit | $150,000 | $150,000 |
Reasonable salary | N/A | $75,000 |
Amount subject to SE / payroll tax | $150,000 | $75,000 |
SE / payroll tax owed | ~$21,200 | ~$10,600 |
Estimated annual tax savings | – | ~$10,600 |
Added S-corp costs – payroll processing, separate Form 1120-S filing – run roughly $2,000 to $3,000 per year. Net savings in this scenario after costs: approximately $7,600 to $8,600 annually.
This is where most national guides fall short. California does not simply let you keep your federal S-corp savings untouched. An S-corp in California pays a franchise tax of 1.5% of net income, with an $800 minimum. That applies every year, even in a loss year. New corporations (not LLCs) get a first-year exemption from the $800 minimum, but if the S-corp generates income in that first year, the 1.5% still applies on that income.
For an S-corp with $150,000 in net income, the California franchise tax comes to $2,250. That is real money coming back out of your federal savings, and it needs to be part of the calculation before you make the switch.
The other side of this: electing S-corp treatment eliminates the LLC gross receipts fee entirely. If your LLC’s gross receipts are above $500,000, you are paying $2,500 or more in state fees every year on top of the $800 minimum. Replacing that with a 1.5% S-corp franchise tax on net income can produce additional state-level savings depending on your margins.
A useful rule of thumb: the S-corp election starts generating meaningful net savings when your business net profit consistently exceeds approximately $60,000 to $80,000 annually. Below that level, the added costs of payroll and a separate business tax return often outweigh the self-employment tax savings – especially in California.
Signs the election likely makes sense:
Signs to hold off:
This is the detail that trips up the most S-corp owners. The IRS requires you to pay yourself a reasonable salary – meaning compensation that reflects what the market would pay someone doing your job at your business. You cannot pay yourself $15,000 per year and take $200,000 in distributions to avoid payroll taxes. The IRS actively scrutinizes low S-corp salaries and has issued guidance on this repeatedly.
What reasonable looks like depends on your industry, geography, and role. A solo attorney, a Bay Area software consultant, and a restaurant owner all have different benchmarks. Setting this number correctly matters for two reasons: it determines your actual savings, and it protects you from audit risk. An Enrolled Agent or experienced tax preparer should help you arrive at a defensible figure before you file.
Under the One Big Beautiful Bill Act, the 20% qualified business income (QBI) deduction is now permanent. Both LLC and S-corp structures can access it on the pass-through portion of income. The important nuance: your W-2 salary is not QBI-eligible income. Only the distribution portion qualifies.
This means the QBI deduction applies to the exact slice of income you are optimizing with the S-corp election. Proper coordination between your reasonable salary and your distribution amounts becomes more important when the QBI deduction is in play – getting the salary wrong affects both your payroll tax exposure and your QBI calculation.
The federal election is made by filing IRS Form 2553. California automatically conforms to the federal S-corp election, so you do not need to file a separate state form. You will, however, need to register for California payroll with the EDD once you begin paying yourself a salary.
Timing matters. Form 2553 generally needs to be filed by March 15 for the election to take effect for the current tax year, or within 75 days of the date you want the election to begin. Missing that window means waiting for the following year.
The math is one piece of this. The other piece is making sure the numbers are based on accurate, current books. An S-corp election built on rough estimates or outdated records will not produce the savings it should – and a salary set without proper guidance can create audit exposure that costs far more than the tax savings recovered.
Nuage Digital works with business owners across Campbell and the Bay Area on exactly this kind of planning. Our team includes Hammad Hanif, EA (License 00145404), who handles tax strategy alongside our bookkeeping and payroll specialists. If you are weighing an S-corp election or want to understand what it would mean for your specific numbers, reach out at nuage-digital.com/contact-us/ for a free consultation.
Possibly. If your side business income plus the gap in W-2 withholding leaves you owing $1,000 or more in federal tax, estimated payments apply to you. The W-2 withholding counts toward your total, but it may not be enough on its own if your business income is meaningful.
The standard equal-quarter approach can overstate what you owed in earlier periods. The IRS annualized income installment method on Form 2210 Schedule AI lets you calculate each quarter's payment based on income actually earned up to that point. This can significantly reduce or eliminate underpayment penalties when income arrives unevenly.
The IRS requires a reasonable salary - meaning compensation that reflects market rates for your role and industry. Setting it artificially low is one of the most common audit triggers for S-corps. There is no single right number, and your tax preparer should help you arrive at a figure that holds up to scrutiny before you start running payroll.
The election can generally be made effective as of the beginning of the current tax year if filed within 75 days of the year start. Filing partway through the year typically takes effect the following January 1. Retroactive elections are sometimes possible but require IRS approval and have specific criteria that need to be met.
Most Bay Area tax professionals put it between $60,000 and $80,000 in net annual profit, after accounting for the California 1.5% franchise tax and the cost of payroll and a separate business return. Below that range, the added overhead typically erodes the savings. Above it, the election almost always makes financial sense.
Net profit is your gross revenue minus legitimate business deductions, before owner compensation. It is the figure on which self-employment tax is calculated as a default LLC, and the starting point for determining how much you can shift from salary to distributions as an S-corp. Getting this number right requires clean, current books.
Trusted By Greater Companies
