Quarterly Payroll Obligations: Form 941, Deposit Schedules, and State Filings
Every business with W-2 employees must file Form 941 (Employer’s Quarterly Federal Tax Return) four times per year, reporting the wages paid, the federal income tax withheld, and the employer and employee shares of Social Security and Medicare taxes. The filing deadlines are April 30, July 31, October 31, and January 31 (for Q1, Q2, Q3, and Q4 respectively). Payroll tax deposits must be made on a separate schedule (monthly or semi-weekly) that doesn’t align with the quarterly filing dates.
Form 941 is filed quarterly, but payroll tax deposits are made on a separate schedule determined by the business’s total tax liability in the lookback period (the 12-month period ending June 30 of the prior year). Monthly depositors (total payroll tax liability of $50,000 or less in the lookback period): deposit taxes by the 15th of the following month. Taxes withheld from January paychecks are due by February 15. Semi-weekly depositors (total payroll tax liability exceeding $50,000): deposit taxes by the following Wednesday (for paychecks dated Wednesday-Friday) or the following Friday (for paychecks dated Saturday-Tuesday). Next-day deposit rule: If the business accumulates $100,000 or more in payroll taxes on any day, the deposit is due the next business day. New businesses are monthly depositors until they have a lookback period. Payroll tax deposits are made through EFTPS (Electronic Federal Tax Payment System). The penalty for late deposits: 2% (1-5 days late), 5% (6-15 days late), 10% (16+ days late or paid with the 941 instead of deposited), 15% (not paid within 10 days of the first IRS notice).
What does Form 941 report?
Form 941 reports three things for the quarter:
- For current guidance, see IRS Employer Tax Guide (Publication 15). Total wages paid to all employees
- Total federal income tax withheld
- Total Social Security and Medicare taxes (employer and employee shares)
The form reconciles the taxes owed for the quarter against the deposits already made. If deposits equal the tax owed, the balance is zero. If deposits are short, the balance is due with the form. If deposits exceed the tax owed (overpayment), the business can apply the overpayment to the next quarter or request a refund.
What about state payroll filings?
Most states require quarterly payroll reports similar to Form 941, reporting state income tax withheld and state unemployment insurance (SUTA) contributions. The deadlines typically align with the federal deadlines (end of the month following the quarter). State-specific requirements vary:
- State income tax withholding: Reported quarterly (or monthly for larger employers)
- SUTA (State Unemployment Tax): Reported quarterly, typically on a separate form. SUTA rates vary by state (0.5-6%+) and by the employer’s experience rating (claims history)
- Workers’ compensation reports: Some states require quarterly payroll reports to the workers’ comp insurer
Payroll software (Gusto, ADP, Paychex, QuickBooks Payroll) automates the deposit calculations, the quarterly filings, and the state reports. For businesses with 1-5 employees, a full-service payroll provider costs $40-$100/month and handles all federal and state filings.
How do I choose the right tax professional for my business?
Look for a CPA or enrolled agent (EA) with experience in your specific industry and business structure. CPAs are state-licensed and must meet continuing education requirements. EAs are federally licensed and specialize in tax representation before the IRS. Ask about their experience with businesses of your size and type, their availability during off-season for planning, and whether they handle IRS notices and audits. Avoid preparers who promise unusually large refunds or base their fee on a percentage of your refund. A good tax professional will proactively identify planning opportunities, not just prepare the return after the year ends.
What is the qualified business income deduction under Section 199A?
The Section 199A deduction allows eligible self-employed taxpayers and pass-through business owners to deduct up to 20% of their qualified business income from their taxable income. For taxable income below the threshold ($191,950 single, $383,900 married filing jointly in 2024), the deduction is simply 20% of QBI with no additional limitations. Above the threshold, specified service trades or businesses (SSTBs), including accounting, law, health, consulting, and financial services, face a phase-out that completely eliminates the deduction at $241,950/$483,900. Non-SSTB businesses above the threshold are limited by the greater of 50% of W-2 wages paid OR 25% of W-2 wages plus 2.5% of the unadjusted basis of qualified property. This deduction is scheduled to expire after December 31, 2025, unless Congress extends it.
Related guides:
-
Common Payroll Mistakes and IRS Penalties for Small Businesses
-
Trust Fund Recovery Penalty (TFRP): Personal Liability for Unpaid Payroll Taxes (IRC 6672)
Start with a Diagnostic: a CPA licensed in the US and Canada reads your file and tells you in writing what's wrong and how to fix it, three to four business days after you finish the questions. The report is $250. If you hire us for any work after that, you get the $250 back as a discount on that work. Or send us your return or your letter and get a fixed price, free.
One or two plain-English guides a week on US-Canada tax. No spam, unsubscribe anytime.
Done. The next guide will land in your inbox.
Yarik Yarosh, CPA. "Quarterly Payroll Obligations: Form 941, Deposit Schedules, and State Filings." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/small-business-quarterly-payroll-obligations
This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.