S-Corp vs. LLC Taxes in North Carolina: What Business Owners Actually Need to Know

Let me start by clearing up the question itself, because nine times out of ten it is framed wrong. Owners ask me whether they should be an LLC or an S-Corp like they are picking one lane on a highway. They are not the same kind of thing. An LLC is a legal entity — it is what protects your personal assets if the business gets sued. An S-Corp is a tax election — a choice about how the IRS taxes the money your business makes. You can be both, and most of the small businesses I work with that elect S-Corp status are still LLCs underneath. They just told the IRS to tax them differently.

So the real question is not LLC or S-Corp. It is: how should my LLC be taxed?

By default, a single-owner LLC is taxed as a sole proprietorship. The profit lands on your personal return, and you pay income tax plus self-employment tax on all of it. A multi-owner LLC defaults to partnership treatment — same general idea, split among the owners. Self-employment tax is the part that stings. It is 15.3% on your net business income (12.4% Social Security up to the annual wage cap, 2.9% Medicare with no cap), and it sits on top of your regular income tax. For a profitable owner, that is the biggest single line item nobody warned them about.

Here is where the S-Corp election earns its keep. When your LLC is taxed as an S-Corp, you become an employee of your own company. You pay yourself a salary, which runs through payroll and gets hit with payroll taxes — the equivalent of that 15.3%. But the profit left over after your salary comes out as a distribution, and distributions are not subject to self-employment tax. Split your income the right way and you can shave a real chunk off the bill.

The catch — and the IRS cares about this one — is "reasonable compensation." You cannot pay yourself a $10,000 salary and take $200,000 in distributions to dodge payroll tax. The salary has to reflect what you would pay someone else to do your job. Pay yourself too little and you are inviting an audit you will lose. This is the single most common way owners get the election wrong: they hear "distributions avoid SE tax" and quietly forget the word "reasonable."

The election is not free either. Running payroll, filing a separate S-Corp return (Form 1120-S), and keeping cleaner books all cost money — usually a few thousand dollars a year between software and professional fees. So the math only works once your profit is high enough that the SE tax savings clear that hurdle. There is no magic number, but as a rough guide, the election rarely pays off until net profit is consistently in the $40,000 to $80,000 range and climbing. Below that, you are adding cost and paperwork for savings that may not exist. Above it, the case gets stronger every year.

Now the North Carolina part, because this is where a lot of generic online advice falls apart. North Carolina has a flat individual income tax rate — 3.99% in 2026, and scheduled to keep dropping toward the low threes if the state hits its revenue targets. The word "flat" matters here. In a state with graduated brackets, shifting income around can change your state tax. In North Carolina, a dollar of business income is taxed at the same 3.99% whether it flows through as sole-prop income, partnership income, or S-Corp income. So the S-Corp decision in NC is almost entirely a federal self-employment-tax decision. The state rate is not the thing moving the needle.

There is one North Carolina wrinkle worth knowing: the state's pass-through entity tax, the "Taxed PTE" election, which lets your business pay NC income tax at the entity level instead of passing it to your personal return. For owners who bump into the federal cap on deducting state and local taxes, this can recapture a deduction they would otherwise lose. It is available to both S-Corps and multi-member LLCs in North Carolina, and whether it actually helps you depends on your specific federal picture. It is exactly the kind of thing that is easy to miss and worth modeling rather than guessing at.

What about a C-Corp? For most owner-operated small businesses, no. You would be trading self-employment tax for the classic double-taxation problem, and North Carolina's corporate rate — 2% in 2026 and on its way to zero by 2030 — does not change that calculus for a company whose profits you actually want to take home. A C-Corp can make sense in specific situations: outside investors, certain benefit structures, heavy reinvestment. But it is the exception, not the default.

Here is my actual advice, after running this analysis more times than I can count: do not pick your structure off a blog post, including this one. The right answer depends on numbers that are specific to you — your profit, your trajectory, a defensible salary for your role, your spouse's income, your benefits. Those are exactly the inputs a five-minute online calculator ignores and a decent advisor models before you file anything. The entity question feels like a big deal because it is the first one owners run into. It is actually one of the smaller levers in your financial picture. The businesses that win do not obsess over it — they get it right once and move on to the decisions that matter more.

Note: Tax figures reflect the 2026 tax year (NC flat individual rate 3.99%, NC corporate rate 2% phasing to 0% by 2030). Refresh rates before relying on these figures in a later year.