2021 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.
Click the Links to Learn More About These Filings and Seattle Tax Deadlines
How Much Does a Startup Tax Return Cost? Try Kruze Consulting’s Tax Preparation Pricing Tool.
- FEB 1: 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. Remember, more “nonemployees” that you think may require 1099’s, so think carefully if you choose to try to run this through your payroll provider.
- FEB 1: File Form 8809 for a 30-day extension to file W2’s and 1099-NEC for nonemployee compensation.
- FEB 1: Send 1095-B and 1095-C forms to Employees so that they can prove that they have healthcare coverage, etc.
- FEB 1: Claim R&D Tax Credits on Form 941, and file annual FUTA return on Form 940.
- FEB 1: Seattle 2020 Business License Tax deadline for Annual Filers (gross receipts between 100,000 to 200,000) and (up to 0.427% of gross revenue in 2019).
- FEB 1: Seattle Q4 2020 Business License Tax for Quarterly Filers (gross receipts more than 200,000).
- FEB 1: Washington Q4 2020 State Fund Quarterly Report (Payroll Tax).
- MAR 1: IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings are due by this deadline (if paper-filing, due APR 1if eFiling). File Form 8809 for a 30-day extension.
- MAR 1: Delaware Annual Franchise Report filing due: Pay a min. of $400 (or more if you have significant funding). Use theKruze Delaware Franchise Tax calculator to estimate how much you owe, but work with a qualified CPA to calculate the exact amount.
- MAR 2: IRS 30-day automatic extension: provide Form 1095-B and Form 1095-C to Employees.
- MAR 31: IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings are due (eFile).
- MAR 31: 1099’s and W2’s must be e-filed with the IRS by this due date.
- APR 15: C Corp Form 1120 Tax Return due. Can extend the deadline to OCT 15.
- APR 15: File the R&D Tax Credit Form 6765 with your tax return. Can extend to OCT 15.
- APR 15: Washington Annual 2020 or Q4 2020 (for Quarterly Filers) Excise Tax Return (Business & Occupation Tax, Sales Tax, & Use Tax).
- APR 15: Federal Quarterly Estimated Tax1st installment.
- APR 30: Seattle Q1 2021 Business License Tax for Quarterly Filers.
- APR 30: Washington Q1 2021 Excise Tax Return due date.
- APR 30: Washington Q1 2021 State Fund Quarterly Report(Payroll Tax) due.
- APR 30: Washington Personal Property Tax Listing Form and 50% of property taxes are due on this tax deadline.
- APR 30: Claim R&D Tax Credits on Form 941.
- JUN 1: Delaware Quarterly Estimated Franchise Tax, Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000).
- JUN 15: Federal Quarterly Estimated Tax 2nd installment.
- AUG 2: Seattle Q2 2021 Business License Tax for Quarterly Filers.
- AUG 2: Washington Q2 2021 Excise Tax Return due.
- AUG 2: Washington Q2 2021 State Fund Quarterly Report(Payroll Tax) due.
- AUG 2: Claim R&D Tax Credits on Form 941.
- SEP 1: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
- SEPT 15: Federal Quarterly Estimated Tax 3rd installment.
- OCT 15: C Corp Form 1120 Tax Return final deadline and due date if extension was filed.
- OCT 31: Seattle Q3 2021 Business License Tax for Quarterly Filers.
- OCT 31: Washington Q3 2021 Excise Tax Return due.
- OCT 31: Washington Q3 2021 State Fund Quarterly Report (Payroll Tax) due.
- OCT 31: Remaining 50% of Washington Personal Property Tax due.
- NOV 1: Claim your R&D Tax Credits on Form 941.
- 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 Tax4th installment.
- ROLLING: Renew your business license annually.
Attention - many tax deadlines have been postponed. Check with your tax CPA.
- JAN 31: Send 1099’s to Contractors. Send W2’s to Employees. 1099-MISC for nonemployee compensation must also be e-filed to IRS on this date.
- JAN 31: File Form 8809 for a 30-day extension to file W2’s and 1099-MISC for nonemployee compensation.
- JAN 31: Send 1095-B and 1095-C forms to Employees.
- JAN 31: Claim R&D Tax Credits on Form 941 , and file annual FUTA return on Form 940 .
- JAN 31: Seattle 2019 Business License Tax deadline for Annual Filers (gross receipts between 100,000 to 200,000) and (up to 0.427% of gross revenue in 2018).
- JAN 31: Seattle Q4 2019 Business License Tax for Quarterly Filers (gross receipts more than 200,000)
- JAN 31: Washington Q4 2019 State Fund Quarterly Report (Payroll Tax)
- FEB 28: IRS ACA Compliance 1094-B , 1095-B , 1094-C and 1095-C filings are due by this deadline (if paper-filing, dueAPR 1if eFiling). FileForm 8809 for a 30-day extension.
- MAR 1: Delaware Annual Franchise Report filing due: Pay a min. of $400, +more if you have significant funding.
- MAR 2: IRS 30-day automatic extension: provide Form 1095-B and Form 1095-C to Employees.
- APR 1: IRS ACA Compliance 1094-B , 1095-B , 1094-C and 1095-C filings are due (eFile).
- APR 1: 1099’s and W2’s must be e-filed with the IRS by this due date.
- APR 15: C Corp Form 1120 Tax Return due. Can extend the deadline to OCT 15.
- APR 15: File the R&D Tax Credit Form 6765 with your tax return. Can extend to OCT 15.
- APR 15: Washington Annual 2019 or Q4 2019 (for Quarterly Filers) Excise Tax Return (Business & Occupation Tax, Sales Tax, & Use Tax).
- APR 30: Seattle Q1 2020 Business License Tax for Quarterly Filers
- APR 30: Washington Q1 2020 Excise Tax Return due date.
- APR 30: Washington Q1 2020 State Fund Quarterly Report(Payroll Tax) due.
- APR 30: Washington Personal Property Tax Listing Form and 50% of property taxes are due on this tax deadline.
- APR 30: Claim R&D Tax Credits on Form 941 .
- JUN 1: Delaware Quarterly Estimated Franchise Tax, Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000)
- JUL 31: Seattle Q2 2020 Business License Tax for Quarterly Filers
- JUL 31: Washington Q2 2020 Excise Tax Return due.
- JUL 31: Washington Q2 2020 State Fund Quarterly Report(Payroll Tax) due.
- JUL 31: Claim R&D Tax Credits on Form 941 .
- SEP 1: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000)
- OCT 15: C Corp Form 1120 Tax Return final deadline and due date if extension was filed.
- NOV 2: Seattle Q3 2020 Business License Tax for Quarterly Filers
- NOV 2: Washington Q3 2020 Excise Tax Return due.
- NOV 2: Washington Q3 2020 State Fund Quarterly Report (Payroll Tax) due .
- NOV 2: Remaining 50% of Washington Personal Property Tax due.
- NOV 2: Claim your R&D Tax Credits on Form 941 .
- DEC 1: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000)
- ROLLING: Renew your business license annually.
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!
2019 Tax Compliance Deadlines For Seattle Startups
2019 tax deadlines are supplied for reference purposes only, and should not be used when making decisions in 2019. Always consult your tax professional, and see our disclaimer below.
- JAN 31: Send 1099’s to Contractors. Send W2’s to Employees. 1099-NEC for non-employee 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 R&D Tax Credits on Form 941 , and file annual FUTA return on Form 940.
- JAN 31: Seattle 2018 Business License Tax deadline for Annual Filers and (up to 0.423% of gross revenue in 2017, 0.427% in 2018).
- JAN 31: Seattle Q4 2018 Business License Tax for Quarterly Filers.
- JAN 31: Washington Annual 2018 or Q4 2018 (for Quarterly Filers) Excise Tax Return (Business & Occupation Tax, Sales Tax, & Use Tax).
- JAN 31: Washington Q4 2018 State Fund Quarterly Report (Payroll Tax).
- FEB 28: IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings are due by this deadline (if paper-filing, due APR 1 if eFiling).
- MAR 1: Delaware Annual Franchise Report filing due: Pay a min. of $400, +more if you have significant funding.
- MAR 1: IRS 30 day automatic extension: provide Form 1095-B and 1095-C form’s to Employees.
- APR 1: IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings are due (eFile).
- APR 1: 1099’s and W2’s must be e-filed with the IRS by this due date.
- APR 15: C-Corp Form 1120 Tax Return due. Can extend the deadline to Oct 15.
- APR 15: File the R&D Tax Credit Form 6765 with your tax return. Can extend to Oct 15.
- APR 30: Seattle Q1 2019 Business License Tax for Quarterly Filers.
- APR 30: Washington Q1 2019 Excise Tax Return due date/deadline.
- APR 30: Washington Q1 2019 State Fund Quarterly Report (Payroll Tax) due.
- APR 30: Washington Personal Property Tax Listing Form and 50% of property taxes are due on this tax deadline.
- APR 30: Claim R&D Tax Credits on Form 941.
- JUN 3: Delaware Quarterly Estimated Franchise Tax, Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000).
- JUL 31: Seattle Q2 2019 Business License Tax for Quarterly Filers
- JUL 31: Washington Q2 2019 Excise Tax Return due.
- JUL 31: Washington Q2 2019 State Fund Quarterly Report (Payroll Tax) due.
- JUL 31: Claim R&D Tax Credits on Form 941.
- SEP 2: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
- OCT 15: C-Corp Form 1120 Tax Return final deadline and due date if extension was filed.
- OCT 31: Seattle Q3 2019 Business License Tax for Quarterly Filers
- OCT 31: Washington Q3 2019 Excise Tax Return due.
- OCT 31: Washington Q3 2019 State Fund Quarterly Report (Payroll Tax) due.
- OCT 31: Remaining 50% of Washington Personal Property Tax due.
- OCT 31: Claim your R&D Tax Credits on Form 941.
- DEC 2: Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
- ROLLING: Renew your business license annually.
