2026 Quarterly Estimated Tax Deadlines — All 51 States
Official IRS quarterly estimated tax payment deadlines for gig workers in 2026. Includes federal deadlines and state-level payment portals for all 51 jurisdictions. Export any deadline directly to Google Calendar — free, no signup required.
Gig workers must pay quarterly estimated taxes if they expect to owe $1,000+ for the year. 2026 federal deadlines: Apr 15 · Jun 16 · Sep 15 · Jan 15. Missing a deadline triggers an IRS underpayment penalty of ~7–8% annualized.
Last updated: May 2026 · By Ethan Blake · Tax Compliance Specialist
✅ KEY TAKEAWAYS
- 2026 federal quarterly deadlines: Apr 15 · Jun 16 · Sep 15 · Jan 15, 2027
- Required if you expect to owe $1,000+ in federal taxes after withholding and credits
- Safe Harbor: pay 100% of your 2025 tax liability (110% if AGI exceeded $150,000) — no penalty even if you owe more
- IRS underpayment penalty for 2026 is approximately 7–8% annualized on the underpaid amount
- Pay free via IRS Direct Pay at directpay.irs.gov — no registration, same-day processing
Underpayment Penalty Warning
If you expect to owe $1,000 or more in federal taxes after withholding and credits, you must make quarterly estimated payments or face an underpayment penalty. For 2026, the underpayment rate is approximately 7–8% annualized on the amount owed.
Safe Harbor: Pay at least 100% of your 2025 tax liability (110% if 2025 AGI exceeded $150,000) and avoid penalties entirely — even if you owe more in April.
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Written & reviewed by
Ethan Blake
Tax Compliance Specialist · Since 2017
Helped 5,000+ freelancers navigate IRS rules. Specializes in gig economy and 1099 taxation.