How Is a Single-Member LLC Taxed? (The Plain-English Version)

A single-member LLC is taxed as a disregarded entity by default, which means the IRS mostly ignores the LLC itself and taxes you personally on the profit. All of the business income flows onto your own tax return, usually on Schedule C, and you pay income tax plus 15.3% self-employment tax on your net earnings. You do not file a separate federal tax return for the LLC unless you choose to be taxed as a corporation.

What disregarded entity actually means

Disregarded entity is the single most confusing phrase in small business taxes, and it is simpler than it sounds. It means that for federal income tax purposes, the IRS treats you and your LLC as the same taxpayer. Your LLC still exists as a legal business under state law, it still gives you liability protection, and it still has its own name and its own bank account. It is only the tax treatment that is transparent.

In practice, that means there is no LLC tax rate and no LLC tax bracket. If your LLC makes $60,000 in profit after expenses, that $60,000 is added to your other personal income and taxed at your personal rates. If the LLC loses money in an early year, that loss generally flows onto your return too, subject to the usual rules about losses. You report everything once, on the return you were already filing, which is a big reason single-member LLCs are so popular with solo founders, freelancers, and side businesses.

The LLC can and should still have its own Employer Identification Number for banking and hiring, even though you may use your Social Security number on some tax forms. An EIN is free from the IRS, takes minutes to get, and keeps your personal number off paperwork you hand to clients and vendors.

Schedule C: where the income lands

Most single-member LLC owners report their business activity on Schedule C, the same form sole proprietors have used for decades. You list your gross income at the top, subtract your ordinary and necessary business expenses, and the result is your net profit. That net profit flows to your main Form 1040 and becomes part of your total taxable income.

A few situations use a different schedule. Rental income usually goes on Schedule E, and farming activity goes on Schedule F. If you have employees, you will also file payroll forms and W-2s — the LLC counts as the employer for payroll tax even though it is disregarded for income tax.

The 15.3% self-employment tax and quarterly estimates

The part that surprises new owners is self-employment tax. When you work for an employer, Social Security and Medicare taxes are split between you and the company. When you are the company, you pay both halves yourself: 12.4% for Social Security on earnings up to the annual wage cap, and 2.9% for Medicare, which combine to the familiar 15.3% on your net self-employment earnings.

• It applies to your net profit, not your gross revenue — expenses reduce it.
• You calculate it on Schedule SE and attach it to your return.
• You can deduct half of it as an adjustment to income, which softens the blow slightly.
• It is separate from income tax, so a year with low income tax can still carry a real self-employment tax bill.

This is the main reason two businesses with identical income tax bills can feel very different at filing time. Budgeting for self-employment tax from the first dollar of profit — many owners set aside a fixed percentage of every payment they receive — prevents the April shock that catches so many first-year founders.

Quarterly estimated taxes. Employees have tax withheld from every paycheck. LLC owners do not, so the IRS expects you to pay as you go through quarterly estimated tax payments, due in April, June, September, and January. You estimate your income for the year, calculate the income tax and self-employment tax you expect to owe, and send a quarter of it in each time using Form 1040-ES or the IRS online payment system.

Underpaying can trigger a penalty, even if you pay in full by the filing deadline, because the system is designed around pay-as-you-go. A common approach is to base estimates on last year's tax bill if your income is stable, or recalculate each quarter if it swings.

Your deductions still work the same way

Forming an LLC does not take any deductions away. The same expenses a sole proprietor can claim remain deductible: home office costs, business mileage, software, equipment, professional services, business insurance, and the supplies you use to do the work. The rule is the same as always — the expense must be ordinary and necessary for your type of business, and you need records to back it up.

Good bookkeeping matters more than any clever deduction. Keep a separate business bank account, run business income and expenses through it, and save receipts. If you are still setting up, opening a business bank account should be one of your first steps after formation.

State taxes and fees still apply

Federal pass-through treatment does not erase your state obligations. Most states tax the income on your personal state return just as the federal government does, and many states charge the LLC itself an annual fee, a franchise tax, or an annual report filing regardless of how it is taxed federally. California is the best-known example: an LLC there costs $880 in Year 1 and $4,120 over five years on our calculator, driven by its $800 annual tax. Texas, by contrast, charges a $300 filing fee and no annual state report fee for most small LLCs. Check your own state on the state cost index so the recurring charges do not surprise you, and see our guide to annual LLC costs for what to expect each year.

Outgrowing the default: the S-Corp election and adding a member

At some level of profit, many owners ask whether they should elect to have the LLC taxed as an S-Corporation instead. The reason is self-employment tax: in an S-Corp structure, you pay yourself a reasonable salary, which is subject to payroll tax, and the remaining profit can be distributed without self-employment tax. The trade-offs are real — payroll processing, a separate corporate tax return, stricter rules, and in some states extra taxes — so the election tends to make sense only once profit is high enough that the tax saved clearly outweighs the added cost and paperwork.

There is no single magic income number that applies to everyone, because state taxes, other income, and how much salary is reasonable for your work all change the math. Our LLC vs S-Corp guide walks through the comparison in detail. What matters for a single-member LLC owner is that the option stays open: you can start as a disregarded entity, keep things simple while you grow, and elect S-Corp treatment later if the numbers justify it.

What changes when you add a member. The disregarded status only exists because there is one owner. The moment you add a second member, the default federal tax treatment changes to a partnership. The LLC then files an informational partnership return, Form 1065, and issues each owner a Schedule K-1 showing their share of profit and loss, which each owner reports on their own return. The income still passes through and is still generally subject to self-employment tax for active members, but the paperwork and the need for a solid operating agreement both increase.

If you are bringing in a partner, that is the moment to get ownership, contributions, and profit splits written down properly, and to revisit the structure with a professional.

Frequently asked questions

Does a single-member LLC file its own tax return? Not for federal income tax by default. The income is reported on your personal return, usually on Schedule C. You only file a separate entity return if you elect corporate taxation or add a member, which makes it a partnership return.

Do I pay taxes if my LLC made no profit? There is generally no income tax or self-employment tax on profit you did not make, but state LLC fees and annual report charges can still be due even in a zero-income year. The LLC's ongoing state costs do not pause just because revenue does.

Can I write off the cost of forming the LLC? Formation and organizational costs are generally treated as start-up expenses, which can be deducted up to limits in your first year with the rest amortized. Keep your receipts for state filing fees and any services you paid for.

When should I talk to a tax professional? As soon as the numbers get meaningful — a good rule of thumb is when your profit is high enough that you are seriously weighing an S-Corp election, when you hire employees, or when you operate in more than one state. The cost of an hour of advice is small next to a year of wrong estimates.

This article is general information about how single-member LLCs are commonly taxed, not tax or legal advice for your specific situation.

Fees verified against official state sources — last checked October 26, 2026.