How Often Does an LLC Have to File Taxes: Annual and Quarterly Dates

An LLC files a federal tax return once a year, but that annual return is rarely the only filing on the calendar. Most LLC owners also send the IRS quarterly estimated tax payments, and any LLC with employees files payroll tax reports four times a year on top of that. So the honest answer to how often an LLC has to file taxes is: one annual return at minimum, plus up to four estimated payments and four payroll filings, with the specific dates set by how the IRS classifies your LLC.

The Annual Return: Once a Year, Date Depends on Classification

There is no single “LLC tax return.” What you file, and when, depends on how many members the LLC has and whether you’ve elected a different tax treatment. For calendar-year LLCs, the four common scenarios are:

Zero revenue does not excuse you. Partnerships and S corporations file their information returns regardless of income, and skipping them triggers penalties even though no tax is owed on those returns.

Quarterly Estimated Tax Payments: Four Times a Year

The annual return is where you settle up, but the IRS wants money throughout the year. If you expect to owe $1,000 or more in income and self-employment tax after subtracting withholding and credits, you make estimated payments four times a year using Form 1040-ES.6Internal Revenue Service. Estimated Tax – FAQs For an LLC taxed as a C corporation, the threshold drops to $500 in expected tax.7Internal Revenue Service. Estimated Taxes

The four due dates for individual filers are:

  • April 15, covering income earned January through March
  • June 15, covering April and May
  • September 15, covering June through August
  • January 15 of the following year, covering September through December

Those quarters aren’t equal three-month blocks, which trips people up. Income earned in June actually falls into the third-quarter payment, not the second. When a due date lands on a weekend or federal holiday, it moves to the next business day.6Internal Revenue Service. Estimated Tax – FAQs

You can avoid underpayment penalties by hitting one of two safe harbors: pay at least 90% of your current year’s tax through estimates and withholding, or pay 100% of last year’s tax. If your prior-year adjusted gross income was over $150,000 ($75,000 if married filing separately), that second target rises to 110% of last year’s tax.6Internal Revenue Service. Estimated Tax – FAQs For an LLC owner with variable income, the prior-year figure is the easier one to aim at because it’s already known.

If you fall short, the IRS charges interest on the shortfall from the date each installment was due. The underpayment rate is set quarterly; it sits at 7% for the first quarter of 2026.8Internal Revenue Service. Quarterly Interest Rates

Payroll Filings: Four More Times a Year if You Have Employees

An LLC with employees picks up an entirely separate quarterly schedule. Form 941 reports Social Security, Medicare, and federal income tax withheld from paychecks and is due April 30, July 31, October 31, and January 31.9Internal Revenue Service. Instructions for Form 941 (03/2026) Once you start filing, you keep filing every quarter, even quarters where you paid no wages, unless you qualify as a seasonal employer or file a final return.

Very small employers whose total annual liability for Social Security, Medicare, and withheld income tax is $1,000 or less can file Form 944 once a year in place of quarterly 941s. The IRS notifies you if you qualify.10Internal Revenue Service. About Form 944, Employer’s Annual Federal Tax Return

Filing the form is only half of it. You also deposit the withheld taxes on a schedule the IRS sets based on payroll size. Failing to deposit trust-fund taxes is where owners get personally exposed: the IRS can assess the Trust Fund Recovery Penalty against any individual responsible for collecting and paying withheld employment taxes who willfully fails to do so, equal to the full unpaid amount, and can pursue personal assets to collect it.11Internal Revenue Service. Employment Taxes and the Trust Fund Recovery Penalty (TFRP)

Annual Contractor Reporting

If your LLC pays independent contractors, you issue Form 1099-NEC to anyone you paid $2,000 or more during the tax year. That threshold rose from $600 for tax years beginning after 2025, so 2026 is the first year under the new figure.12Internal Revenue Service. Publication 1099, General Instructions for Certain Information Returns (2026) The form goes to both the contractor and the IRS by January 31 of the following year.

Extensions Move the Filing Date, Not the Payment Date

You can push the annual return back six months by filing the right extension form on time. Partnerships and S corporations file Form 7004 by March 15 for an automatic extension to September 15.13Internal Revenue Service. About Form 7004, Application for Automatic Extension of Time to File Certain Business Income Tax, Information, and Other Returns C corporations use the same Form 7004 by April 15 to reach October 15. Single-member LLC owners file Form 4868 by April 15 for an extension to October 15 on their personal return.14Internal Revenue Service. Form 4868, Application for Automatic Extension of Time to File U.S. Individual Income Tax Return

“Automatic” means the IRS grants the extension without reviewing your reason. What the extension does not do is postpone payment. Interest and late-payment penalties start running on any unpaid tax from the original due date, extension or not, so send an estimated payment with the extension form.

What It Costs to Miss a Deadline

Partnerships that miss the Form 1065 deadline are charged $255 per partner for each month or partial month the return is late, up to 12 months.3Internal Revenue Service. Instructions for Form 1065 (2025) Late Form 1120-S filings carry the same $255-per-shareholder-per-month structure.15Internal Revenue Service. Instructions for Form 1120-S (2025) These are information returns with no tax owed on them, and the penalty applies anyway.

For individual returns (including single-member LLC owners filing Schedule C) and Form 1120 for C corporations, the failure-to-file penalty is 5% of unpaid tax per month or partial month, capped at 25%.16Internal Revenue Service. Topic No. 653, IRS Notices and Bills, Penalties and Interest Charges17Internal Revenue Service. 2025 Instructions for Form 1120 If a return is more than 60 days late, the minimum penalty for returns due in 2026 is the lesser of the tax owed or $525.

Late payment is a separate charge: 0.5% of unpaid tax per month, also capped at 25%. Filing on time and setting up an approved payment plan drops that rate to 0.25% per month; ignoring a notice of intent to levy raises it to 1% per month.18Internal Revenue Service. Failure to Pay Penalty When both the failure-to-file and failure-to-pay penalties apply in the same month, the combined charge is 5%, because the filing penalty is reduced by the payment penalty amount.

State Filings Sit on Top of All of This

Federal is only part of the calendar. Most states impose their own income tax on LLC profits, with filing deadlines that generally mirror the federal schedule. States that collect income tax typically require pass-through LLC members to report their share on a state return, and some states require the LLC to file a composite or information return of its own.

Many states also charge an annual fee, sometimes called an annual report fee, franchise tax, or privilege tax, ranging from nothing to several hundred dollars. A handful impose a minimum franchise tax whether or not the LLC earned income. Missing a state filing can lead to administrative dissolution of the LLC, which quietly strips your liability protection.

If your LLC sells taxable goods or services, you’ll also collect and remit sales tax in states where you have an obligation, filing anywhere from monthly to annually depending on volume and the state’s rules. Most states require a sales tax permit before you begin collecting.

Add it all up and a typical active LLC touches the IRS somewhere between five and thirteen times a year: one annual return, four estimated payments if you’ll owe more than the threshold, four payroll filings if you have employees, and one 1099-NEC round if you pay contractors, before any state filings enter the picture.