Ohio Sales Tax Due Dates 2026 + Filing Guide
Every 2026 Ohio sales tax due date, how filing frequency is assigned, how to file the UST-1, and the new $750 cap on the timely-filing discount.
Blog & Guides
Clear, evidence-based guides on Ohio Sales Tax Calculator — calculation formulas, worked examples, and the science behind the numbers. Everything you need to read your results with confidence.
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38 posts found
Ohio Sales Tax Exemption Certificate: STEC B & U
Which Ohio exemption certificate to use, how to complete STEC B and STEC U correctly, the 90-day rule, and the reason lines that fail an audit.
Ohio Sales Tax Rate 2026: All 88 County Rates
Ohio's 2026 sales tax rate is 5.75% state plus a county levy of 0.75%-2.25%. Every one of the 88 county rates, verified against ODT's own table.
Warren County Sales Tax Rises to 7.25% on Oct 1
Warren County's sales tax goes from 6.75% to 7.25% on October 1, 2026 — a one-year swap for property tax relief. What it costs and what businesses must change.
Kroger Ohio Sales Tax Refund: Why You Were Charged (2026)
Kroger charged central Ohio shoppers sales tax early for the April 2025 COTA increase. Here's who gets a refund, which 5 counties were affected, and how to check your receipt.
Dayton Ohio Sales Tax Rate 2026: 7.50% — What You Pay
The Dayton sales tax rate is 7.50% in 2026. What you pay on a purchase in the city, what is taxable, which areas it covers, and how to work out your total.
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