Ohio business filing due dates

The Ohio deadlines Ordexly tracks for Oct 2026 to Oct 2027. Every date links to the agency page it was checked against (last checked ). Which ones apply to a business depends on its registrations and filing frequency, so confirm with the agency.

Sales & use tax

DueDeadlineSource
Ohio Sales Tax Return (monthly) October 2026official source
Ohio Sales Tax Return (monthly) November 2026official source
Ohio Sales Tax Return (monthly) December 2026
Moved from Sat, Jan 23 (weekend).
official source
Ohio Sales Tax Return (monthly) January 2027official source
Ohio Sales Tax Return (monthly) February 2027official source
Ohio Sales Tax Return (monthly) March 2027official source
Ohio Sales Tax Return (monthly) April 2027
Moved from Sun, May 23 (weekend).
official source
Ohio Sales Tax Return (monthly) May 2027official source
Ohio Sales Tax Return (monthly) June 2027official source
Ohio Sales Tax Return (monthly) July 2027official source
Ohio Sales Tax Return (monthly) August 2027official source
Ohio Sales Tax Return (monthly) September 2027
Moved from Sat, Oct 23 (weekend).
official source

Payroll & withholding

DueDeadlineSource
Ohio IT 501 Employer Withholding (quarterly filers) Q3 2026official source
Ohio IT 501 Employer Withholding (quarterly filers) Q4 2026official source
Ohio IT 501 Employer Withholding (quarterly filers) Q1 2027official source
Ohio IT 501 Employer Withholding (quarterly filers) Q2 2027official source

Unemployment / reemployment

DueDeadlineSource
Ohio ODJFS Unemployment Tax Quarterly Report Q3 2026official source
Ohio ODJFS Unemployment Tax Quarterly Report Q4 2026official source
Ohio ODJFS Unemployment Tax Quarterly Report Q1 2027official source
Ohio ODJFS Unemployment Tax Quarterly Report Q2 2027official source

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Nearby: Indiana due dates · Kentucky due dates · Michigan due dates · Pennsylvania due dates · West Virginia due dates

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Federal due dates · All states · Ohio coverage details