06/17/2026
📌 June & Upcoming Tax Deadlines to Know
Business & Payroll
• Washington State excise tax returns – due June 25 (monthly filers)
• Payroll tax deposits – due June 15 (monthly depositors)
• Q2 ends June 30 – now is a good time to review your books and ensure payroll records are up to date
Estimated Tax Payments
• Q2 estimated tax payments – due July 15 for individuals and businesses making quarterly estimated payments
Quarterly Filers
• Form 941 payroll tax returns – due July 31
• Washington State excise tax returns – due July 31 (quarterly filers)
Extension Filers
• If you filed an extension for your personal, partnership, S corporation, C corporation, or nonprofit tax return, now is a great time to gather any remaining documents rather than waiting until the deadline approaches
Questions or unsure what applies to you? Reach out! We're happy to help.