Fairfield, Ohio sales tax rate: 6.5%
Last updated Checked monthly
The sales tax rate in Fairfield, Ohio is 6.5%. That’s the 5.75% state rate plus 0.75% in local taxes. It’s the lowest of the 260 Ohio cities we checked, and 16 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Fairfield combined rate
6.5%
- Ohio state
- 5.75%
- Butler CountyCounty
- 0.75%
Fairfield sales tax calculator
Enter a price and what you’re selling.
- OhioState · 5.75%$5.75
- Butler CountyCounty · 0.75%$0.75
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoFairfield sales tax rate breakdown
State and county taxes add up to 6.5%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Ohio | State | 5.75% |
| Butler County | County | 0.75% |
| Combined rate | 6.5% |
Rate history
- July 20236.5%
- July 20246.5%
- July 20256.5%
- July 20266.5%
- Today6.5%
No change since July 2023.
Sales tax near Fairfield
Closest cities
- Greenhills5 mi7.8%
- Glendale6 mi8%
- Woodlawn6 mi7.8%
- New Miami7 mi6.5%
- Lincoln Heights8 mi7%
- Seven Mile11 mi6.5%
- Trenton11 mi6.5%
- Montgomery12 mi7.8%
Elsewhere in Butler County
- Middletown6.5%
- Monroe6.5%
- Trenton6.5%
- New Miami6.5%
- Seven Mile6.5%
Charge the right rate in Fairfield, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Ohio return for you, with a sales tax team you can call.
Fairfield sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Fairfield, Ohio?
The combined sales tax rate in Fairfield is 6.5% as of November 2, 2026. It’s made up of 5.75% Ohio state tax, 0.75% Butler County.
Does the sales tax rate vary within Fairfield?
Fairfield has no special-district taxes, so most addresses in the city pay the same 6.5%: Ohio’s 5.75% plus 0.75% county tax. This rate was calculated for Fairfield’s 45018 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Fairfield?
No.
Do online sellers have to collect sales tax in Fairfield?
Yes, if they have nexus in Ohio: more than $100,000 in Ohio sales in the previous or current calendar year, or a physical presence in the state. They register with the Ohio Department of Taxation and charge the rate at the buyer’s address.
Sources. Ohio Department of Taxation · Zamp Sales Tax API, for Fairfield’s 45018 ZIP code. Rates are checked monthly and are for information, not tax advice.
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