Does a Single-Member LLC Pay Quarterly Taxes?

Yes — a single-member LLC generally does pay quarterly estimated taxes, but the obligation sits with you personally, not with the business. The IRS treats a single-member LLC as a disregarded entity, so your business profit flows through to your Form 1040 and you owe income tax and self-employment tax on it as you earn it.¹ If you expect to owe $1,000 or more in federal tax for the year after withholding and credits, you need to send that tax to the IRS in four installments rather than waiting until April.²

When You Actually Owe Quarterly Payments

The trigger is simple. If your expected federal tax bill for the year, minus any withholding and refundable credits, is less than $1,000, you can skip estimated payments and settle up on your annual return with no penalty. Above that, the IRS wants payments throughout the year.²

You don’t have to predict your current-year tax perfectly. You avoid an underpayment penalty by meeting any one of these safe harbors:

Paying at least 90 percent of the tax you’ll owe for the current year, spread across the four installments.²
Paying 100 percent of the total tax shown on last year’s return, split into four equal installments. This option isn’t available if you didn’t file for the prior year or that year covered fewer than 12 months.²
Paying 110 percent of last year’s tax if your prior-year adjusted gross income exceeded $150,000 ($75,000 if married filing separately).²

The prior-year safe harbor is the easiest to use when your business income swings from year to year. You don’t have to forecast anything. You just match what you owed last time.

If You Also Have a W-2 Job

You may not need to send quarterly payments at all if you have wages coming in from an employer. The IRS looks at total tax paid during the year and doesn’t distinguish between paycheck withholding and estimated payments. File a new Form W-4 asking your employer for additional withholding in Step 4(c) to cover the tax on your LLC profit.³ If your withholding hits one of the safe harbors, you’re covered.

The Four Deadlines

Estimated tax follows a four-period calendar, and each period has its own due date:⁴

Income earned January 1 through March 31: payment due April 15.
Income earned April 1 through May 31: payment due June 15.
Income earned June 1 through August 31: payment due September 15.
Income earned September 1 through December 31: payment due January 15 of the following year.

When a due date falls on a weekend or legal holiday, it shifts to the next business day. All four 2026 dates land on regular business days. There’s one shortcut on the last installment: if you file your annual return and pay the balance in full by January 31, you can skip the January 15 payment.

Figuring Out How Much to Pay

Your estimated tax has two moving parts: self-employment tax and income tax. Form 1040-ES contains a worksheet that walks you through both.⁵

Self-Employment Tax

Self-employment tax funds Social Security and Medicare, and the combined rate is 15.3 percent of your net self-employment earnings: 12.4 percent for Social Security and 2.9 percent for Medicare.⁶ For 2026, the 12.4 percent Social Security portion only applies to the first $184,500 of net self-employment income; anything above is exempt from that piece.⁷ The 2.9 percent Medicare portion has no cap.

An extra 0.9 percent Medicare tax kicks in on net self-employment income above $200,000, or $250,000 for married joint filers.⁶ Those thresholds are not indexed for inflation.

Income Tax

Start with your projected LLC gross income minus allowable business expenses. Then apply two reductions before running the federal tax brackets:

Deduct half of your self-employment tax (excluding the additional 0.9 percent Medicare tax) when calculating adjusted gross income.⁸
Subtract the standard deduction — $16,100 for single filers and $32,200 for married joint filers in 2026 — or your itemized deductions if they’re larger.⁹

Eligible LLC owners can also claim the qualified business income deduction, which is available whether you itemize or take the standard deduction.¹⁰ Apply the tax brackets to the result, add your self-employment tax, subtract expected credits and withholding, and divide by four.

When Your Income Is Uneven

Splitting your annual tax into four equal installments assumes even earnings. If your LLC is seasonal or you land a big payment late in the year, the annualized income installment method lets you base each payment on the income you actually earned in that period rather than a flat quarter of the year’s total.³ You claim it by completing Schedule AI with Form 2210 when you file your annual return. If you use the method for one period, you must use it for all four.¹¹

How to Send the Payment

Use your Social Security number when you pay, not your LLC’s EIN. The IRS is applying the money to your personal account.¹² You have four common options:

IRS Direct Pay, a free bank transfer that requires no account setup. You enter your bank information each time, and payment is credited on the date you submit.¹³
The Electronic Federal Tax Payment System (EFTPS), also free, which requires one-time enrollment and then lets you schedule payments up to 365 days ahead. Payments must be scheduled by 8 p.m. Eastern the day before the due date to count as timely.¹⁴
Credit or debit card through an authorized processor. Fees run roughly 1.75 to 1.85 percent for personal credit cards and are deductible as a business expense.¹⁵
Check or money order with the corresponding voucher from Form 1040-ES. Write “2026 Form 1040-ES” and your Social Security number on the check.⁵

What Happens If You Miss a Payment or Underpay

The IRS charges an underpayment penalty when you don’t pay enough during a given quarter or miss a deadline. The penalty works like interest, running from the date each installment was due until the date you pay, at the federal short-term rate plus three percentage points, compounded daily.¹⁶

Each period is judged on its own. Overpaying in September does not erase a shortfall from April, because interest has already been accruing on that earlier gap. You can even owe a penalty in a year when you’re due a refund overall, because the IRS looks at whether you paid enough in each period, not just across the full year.¹⁶

Getting a Penalty Waived

The IRS may waive some or all of the penalty in specific circumstances: you retired after reaching age 62 or became disabled during the tax year and the underpayment was due to reasonable cause rather than neglect, or the shortfall came from a casualty, disaster, or other unusual event that makes the penalty unfair.¹⁷ You file Form 2210 with your annual return and attach a written explanation with supporting documentation, such as proof of retirement, medical records, or police and insurance reports. For federally declared disaster areas, the IRS generally applies penalty relief automatically.

Don’t Forget State Estimated Taxes

Federal payments don’t cover your state obligations. Most states with an income tax require quarterly estimated payments on business income too, usually following the federal framework but with different dollar thresholds. Some states also charge separate annual fees or franchise taxes on LLCs regardless of profit. Check your state tax agency’s rules for the thresholds, deadlines, and payment methods that apply to your LLC.

1
Internal Revenue Service. Single Member Limited Liability Companies
2
Office of the Law Revision Counsel. 26 USC 6654 – Failure by Individual to Pay Estimated Income Tax
3
Internal Revenue Service. Publication 505 (2025), Tax Withholding and Estimated Tax
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Internal Revenue Service. Estimated Tax – Frequently Asked Questions
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Internal Revenue Service. Form 1040-ES – 2026
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Office of the Law Revision Counsel. 26 USC 1401 – Rate of Tax
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Social Security Administration. Contribution and Benefit Base
8
Internal Revenue Service. Topic No. 554, Self-Employment Tax
9
Internal Revenue Service. Revenue Procedure 2025-32 – 2026 Adjusted Items
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Internal Revenue Service. Qualified Business Income Deduction
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Internal Revenue Service. 2025 Instructions for Form 2210
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Internal Revenue Service. About Form 1040-ES, Estimated Tax for Individuals
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Internal Revenue Service. Direct Pay Help
14
Internal Revenue Service. EFTPS: The Electronic Federal Tax Payment System
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Internal Revenue Service. Pay Your Taxes by Debit or Credit Card or Digital Wallet
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Internal Revenue Service. Quarterly Interest Rates
17
Internal Revenue Service. Instructions for Form 2210 (2025)