Welcome to the Butler County, Ohio Auditor's Office

The Auditor’s Office is open during regular business hours, 8 a.m. - 4:30 p.m.  You're encouraged to take advantage of our website or phone us during regular business hours at 513-887-3154.

Important Tax Bill Information

• Property tax bills for the 2022 tax year (payable 2023) came due by the Treasurer's Office on March 9. Butler County property owners were notified of adjustments made to the amounts owed for the 2020 and 2021 tax years. Read more about that here.

• Additional information was included in the tax bill, and tax detail is available for the 2020 and 2021 tax years on the property search area of this web site. For additional tax bill information see this from the Treasurer's Office.

• For the latest news from the Auditor's Office, including the decision by the State Board of Tax Appeals regarding the 2020 reappraisal, please visit our News Releases page.

The Great Miami River runs through the middle of Hamilton, Ohio and provides beauty as well as recreational opportunities. Hamilton is the county seat of Butler County.