2022 Tax Deadlines For Seattle Startups

For companies in Seattle, the most important tax deadlines (beyond the April 15th state and federal filing deadlines) are the February 1st Seattle business license tax dates (plus their quarterly follow ons) and the quarterly Washington state excise tax due dates.

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  • JAN 25: Seattle Prior Year Q4 Business License Tax for Quarterly Filers.
  • JAN 31: Washington Q4 State Fund Quarterly Report (Payroll Tax).
  • JAN 31: Seattle Business License Tax deadline for Annual Filers.
  • JAN 31: Send 1099’ s to Contractors. Send W2’s to Employees. 1099-NEC for nonemployee compensation must also be e-filed to IRS on this date.
  • JAN 31: Send 1095-B and 1095-C forms to Employees.
  • JAN 31: Claim Research and Development Tax Credits on Prior Year Q4 Form 941, and file annual FUTA return on Form 940.
  • FEB 28: W-2 and 1099-MISC, 1099-NEC filings are due on this deadline if paper-filing (due MAR 31 if e-Filing). File Form 8809 for a 30-day extension.
  • FEB 28: IRS ACA Compliance 1094-B , 1095-B 1094-C and 1095-C filings are due on this deadline (if paper-filing, due MAR 31 if eFiling). File Form 8809 for a 30-day extension.
  • MAR 1: Delaware Annual Franchise Report filing deadline: Pay a min. of $400, +more if you have significant funding.
  • APR 15: C Corp Form 1120 Tax Return deadline. Can extend to OCT 15 with submission of form 7004.
  • APR 15: File the R&D Tax Credit Form 6765with your tax return. Can extend to OCT 15 as mentioned above.
  • APR 15: Federal Quarterly Estimated Tax 1st installment.
  • APR 15: Washington Annual Excise Tax Return (Business & Occupation Tax).
  • APR 25: Seattle Q1 Business License Tax for Quarterly Filers.
  • APR 29: Washington Personal Property Tax Listing Form and 50% of property taxes are due on this tax deadline.
  • APR 29: Washington Q1 State Fund Quarterly Report(Payroll Tax) due.
  • APR 29: Claim R&D Tax Credits on Q1 Form 941.
  • JUN 1: Delaware Quarterly Estimated Franchise Tax deadline, Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000).
  • JUN 15: Federal Quarterly Estimated Tax 2nd installment.
  • JUL 25: Seattle Q1 Business License Tax for Quarterly Filers.
  • JUL 29: Washington Q2 State Fund Quarterly Report (Payroll Tax) due.
  • JUL 29: Claim R&D Tax Credits on Q2 Form 941.
  • SEP 1: Delaware Quarterly Estimated Franchise Tax deadline, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
  • SEP 15: Federal Quarterly Estimated Tax 3rd installment.
  • OCT 15: C Corp Form 1120 Tax Return final due date if extension was filed.
  • OCT 25: Seattle Q1 Business License Tax for Quarterly Filers.
  • OCT 31: Washington Q3 State Fund Quarterly Report (Payroll Tax) due.
  • OCT 31: Claim your R&D Tax Credits on Q3 Form 941.
  • OCT 31: Remaining 50% of Washington Personal Property Tax due.
  • DEC 1: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
  • DEC 15: Federal Quarterly Estimated Tax 4th installment.
  • ROLLING: Renew your business license annually.

2021 Tax Compliance Deadlines For Seattle Startups

2021 tax deadlines are supplied for reference purposes only, and should not be used when making decisions in 2022. Always consult your tax professional, and see our disclaimer below.

Attention - many tax deadlines have been postponed. Check with your tax CPA.

How Much Does a Startup Tax Return Cost? Try Kruze Consulting’s Tax Preparation Pricing Tool.

If your Delaware C-Corp Seattle funded startup needs tax help contact us today!

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View tax compliance dates for Atlanta, Austin, Boston, Mountain View, New York City, Palo Alto, Salt Lake City, San Francisco, Santa Monica, Seattle and Washington DC

How Much Does a Startup Tax Return Cost? Try Kruze Consulting's Tax Preparation Pricing Tool.

How much can your startup save in payroll taxes? Estimate your R&D tax credit using our free calculator.

Every startup is different and so are its tax compliance needs. This is only a guideline. Please consult your tax professional. IRS Circular 230 Disclaimer: To ensure compliance with IRS Circular 230, any U.S. federal tax advice provided in this communication is not intended or written to be used, and it cannot be used by the recipient or any other taxpayer for the purpose of avoiding tax penalties that may be imposed on the recipient or any other taxpayer. Copyright © Kruze Consulting

Check our 2022 Tax Deadlines For C-Corp Startups or Click for your customized tax compliance calendar by startup hub

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