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2023 Tax Calendars
- 2023 U.S. Tax Deadlines for Startups
- 2023 San Francisco Tax Deadlines for Startups
- 2023 New York Tax Deadlines for Startups
- 2023 Seattle Tax Deadlines for Startups
2023 U.S. Tax Deadlines for Startups
- JAN 31:
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- 1099NEC and W-2s
- 3921 and 3922 Stock Options Exercise reporting
- Quarterly Sales and Use tax filing
- FEB 28
- W-2 and 1099-MISC, 1099-NEC filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- MAR 1:
- Delaware Annual Franchise Report for Delaware Corporations
- MAR 15:
- Federal and State income tax return for S-Corp and Partnership; or
- Federal and State income tax extension filing for S-Corp and Partnership
- APR 17:
- Federal and State income tax return of Individuals, Corporations; or
- Federal and State income tax extension filing for individual, Corporations
- Federal Quarterly Estimated Taxes (Q1)
- FinCEN 114 – FBAR (will be allowed to extend)
- APR 29:
- Quarterly Sales and Use tax filing
- MAY 2
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- MAY 16
- Form 990 Series – Tax Exempt Organizations
- Form 8868 – Application for Extension of Time to File an Exempt Organization Return
- JUN 1:
- JUN 15
- Federal Quarterly Estimated Taxes (Q2)
- JUL 29:
- Quarterly Sales and Use tax filing
- AUG 1
- Annual Return/Report of Employee Benefit Plan
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- SEP 1:
- SEP 15:
- Federal Quarterly Estimated Taxes (Q3)
- Federal and State income tax return for S-Corp and Partnership with filed extension
- SEP 30
- Form 1041 Extended Return
- OCT 17:
- Federal and State income tax return for Individuals and Corporation with filed extension
- FinCEN 114 (Extended return)
- Form 5500 Series Extended Return
- OCT 31:
- Quarterly Sales and Use tax filing
- R&D Tax Credit Form 941(Q3) to claim R&D credit against payroll taxes
- NOV 15
- Form 990 Series Extended Return
- DEC 1:
- DEC 15:
- Federal Quarterly Estimated Taxes (Q4)
San Francisco 2023 Tax Deadlines For Startups
- JAN 31:
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- 1099NEC and W-2s
- 3921 and 3922 Stock Options Exercise reporting
- Quarterly Sales and Use tax filing
- FEB 28:
- W-2 and 1099-MISC, 1099-NEC filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- San Francisco Annual Gross Receipts, Payroll and Rent Tax Returns. 60-Day extension is available for filing the tax return, but not paying any tax due.
- MAR 1:
- Delaware Annual Franchise Report filing deadline for Delaware Corporations
- MAR 15:
- Federal and State income tax return for S-Corp and Partnership; or
- Federal and State income tax extension filing for S-Corp and Partnership
- APR 1:
- SF 571-L Business Property Tax Filing Due. Initial Deadline
- APR 10:
- Second Installment deadline to pay the Property tax bill to San Francisco County
- APR 17:
- Federal and State income tax return of Individual, Trust and C-Corporation; or
- Federal and State income tax extension filing for individual, Trust and C-Corp
- Federal Quarterly Estimated Taxes (Q1)
- FinCEN 114 – FBAR (will be allowed to extend)
- California Estimated tax payment
- APR 29:
- Quarterly Sales and Use tax filing
- San Francisco Quarterly (Q1) Estimated Tax Payment
- MAY 2
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- MAY 7:
- SF 571-L Business Property Tax Filing. Final date to avoid 10% penalty.
- MAY 16
- Form 990 Series – Tax Exempt Organizations
- Form 8868 – Application for Extension of Time to File an Exempt Organization Return
- MAY 31
- San Francisco Business Registration Renewal
- JUN 1:
- JUN 15
- Federal Quarterly Estimated Taxes (Q2)
- California Quarterly Estimated Taxes (Q2)
- JUL 29:
- Quarterly Sales and Use tax filing
- San Francisco Quarterly (Q2) Estimated Tax Payments
- AUG 1
- Annual Return/Report of Employee Benefit Plan
- R&D Tax Credit Form 941 (Q2) to claim R&D credit against payroll taxes.
- AUG 31
- SF 571-L Business Property Tax Payment Due
- SEP 1:
- SEP 15:
- Federal Quarterly Estimated Taxes (Q3)
- Federal and State income tax return for S-Corp and Partnership with filed extension
- SEP 30
- Form 1041 Extended Return
- OCT 17:
- Federal and State income tax return for Individuals and Corporation with filed extension
- FinCEN 114 (Extended return)
- Form 5500 Series Extended Return
- OCT 31:
- Quarterly Sales and Use tax filing
- R&D Tax Credit Form 941 (Q3) to claim R&D credit against Payroll taxes
- San Francisco Quarterly (Q3) Estimated Tax Payments
- NOV 15
- Form 990 Series Extended Return
- California Franchise Tax Due (extended)
- DEC 1:
- DEC 10
- San Francisco County Property Tax Bill First Installment
- DEC 15
- Federal Quarterly Estimated Taxes (Q4)
- California Quarterly Estimated Taxes (Q4)
- VARIABLE:
New York 2023 Tax Deadlines For Startups
- JAN 18
- NY Estimated Tax Payment Q4 of 2021 – Individual, Partnership, and S Corp.
- JAN 20
- NY Sales Tax Return Due for Monthly Filers
- JAN 31:
- R&D Tax Credit Form 941 to claim R&D credit against payroll taxes
- 1099NEC and W-2s
- 3921 and 3922 Stock Options Exercise reporting
- Quarterly Sales and Use tax filing
- FEB 22
- NY Sales Tax Return Due for Monthly Filers
- FEB 28
- W-2 and 1099-MISC, 1099-NEC filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- MAR 15:
- Federal and NY state and NYC income tax return for S-Corp and Partnership; or
- Federal and NY state and NYC income tax extension filing for S-Corp and Partnership
- MAR 21:
- NY Sales Tax Return Due for Monthly Filers
- NY Sales Tax Return Due for Quarterly Filers
- NY Sales Tax Return Due for Annually Filers
- APR 17:
- Federal and NY State income tax return of Individual, Trust and C-Corporation; or
- Federal and NY State income tax extension filing for individual, Trust and C-Corp
- Federal Quarterly Estimated Taxes (Q1)
- FinCEN 114 – FBAR (will be allowed to extend)
- APR 20
- NY Sales Tax Return Due for Monthly Filers
- MAY 2:
- R&D Tax Credit Form 941 (Q1) to claim R&D credit against payroll taxes
- MAY 16
- Form 990 Series – Tax Exempt Organizations
- Form 8868 – Application for Extension of Time to File an Exempt Organization Return
- MAY 20
- NY Sales Tax Return Due for Monthly Filers
- JUN 15:
- Federal Quarterly Estimated Taxes (Q2)
- NY Estimated Tax Payments
- JUN 21:
- NY Sales Tax Return Due for Monthly Filers
- NY Sales Tax Return Due for Quarterly Filers
- JUL 20
- NY Sales Tax Return Due for Monthly Filers
- AUG 1:
- Annual Return/Report of Employee Benefit Plan
- R&D Tax Credit Form 941 (Q2) to claim R&D credit against payroll taxes
- AUG 22
- NY Sales Tax Return Due for Monthly Filers
- SEPT 15:
- Federal Quarterly Estimated Taxes (Q3)
- NY Estimated Tax Payments
- Federal and NY State income tax return for S-Corp and Partnership with filed extension
- SEPT 20:
- NY Sales Tax Return Due for Monthly Filers
- NY Sales Tax Return Due for Quarterly Filers
- OCT 17:
- Federal and NY State income tax return for Individuals and Corporation with filed extension
- FinCEN 114 (Extended return)
- Form 5500 Series Extended Return
- OCT 31:
- Quarterly Sales and Use tax filing
- R&D Tax Credit Form 941 (Q3) to claim R&D credit against payroll taxes
- NOV 21
- Form 990 Series Extended Return
- NY Sales Tax Return Due for Monthly Filers
- DEC 15:
- Federal Quarterly Estimated Taxes (Q4)
- NY Corporation Estimated Tax Payments
- DEC 20:
- NY Sales Tax Return Due for Monthly Filers
- NY Sales Tax Return Due for Quarterly Filers
Seattle 2023 Tax Deadlines For Startups
- JAN 25
- Prior Year Q4 Seattle Business License Tax for Quarterly Filers
- JAN 31:
- Washington State Fund Quarterly Report (Q4 – Payroll Tax)
- Seattle Business License Tax Deadline for Annual Filers.
- R&D Tax Credit Form 941 (Q4 2021) to claim R&D credit against Payroll taxes
- 1099NEC and W-2s
- 3921 and 3922 Stock Options Exercise reporting
- FEB 28
- W-2 and 1099-MISC, 1099-NEC filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings – if paper-filing (due March 31 if e-Filing). Additional 30 days extension – File Form 8809
- MAR 1:
- Delaware Annual Franchise Report for Delaware Corporations
- MAR 15:
- Federal and State income tax return for S-Corp, and Partnership
- Federal and State income tax extension filing for S-Corp and Partnership
- APR 17:
- Federal and State income tax return of Individual, Trust and C-Corporation; or
- Federal and State income tax extension filing for individual, Trust and C-Corp
- Federal Quarterly Estimated Taxes (Q1)
- FinCEN 114 – FBAR (will be allowed to extend)
- Washington Annual Excise Tax Return (Business & Occupation Tax)
- APR 29:
- Washington Q1 Excise Tax Return
- Washington Personal Property Tax Listing Form and 50% of Property Taxes
- Washington State Fund Quarterly Report (Q1 – Payroll Tax)
- MAY 2
- R&D Tax Credit Form 941 (Q1) to claim R&D credit against payroll taxes
- MAY 16
- Form 990 Series – Tax Exempt Organizations
- Form 8868 – Application for Extension of Time to File an Exempt Organization Return
- JUN 1:
- JUN 15
- Federal Quarterly Estimated Taxes (Q2)
- JUL 25
- Seattle Q1 Business License Tax for Quarterly Filers
- JUL 29:
- Washington State Fund Quarterly Report (Q2 – Payroll Tax)
- Washington Q2 Excise Tax Return
- AUG 1
- Annual Return/Report of Employee Benefit Plan
- R&D Tax Credit Form 941 (Q2) to claim R&D credit against payroll taxes.
- SEP 1:
- SEP 15:
- Federal Quarterly Estimated Taxes (Q3)
- Federal and State income tax return for S-Corp and partnership with filed extension
- SEP 30
- Form 1041 Extended Return
- OCT 17:
- Federal and State income tax return for Individuals and Corporation with filed extension
- FinCEN 114 (Extended return)
- Form 5500 Series Extended Return
- OCT 25
- Seattle Q1 Business License Tax for Quarterly Filers
- OCT 31:
- Washington State Fund Quarterly Report (Q3 – Payroll Tax)
- Washington Personal Property Tax Due (Remaining 50%)
- Washington Q3 Excise Tax Return
- R&D Tax Credit Form 941 (Q3) to claim R&D credit against Payroll taxes
- NOV 15
- Form 990 Series Extended Return
- DEC 1:
- DEC 15
- Federal Quarterly Estimated Taxes (Q4)
- VARIABLE:
- Annual renewal of your business license