Butler County, OhioProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Payment deadline
- 2025 real-estate tax payable in 2026: first half due February 26, 2026; second half due August 19, 2026. Treasurer payment and bill questions: 513-887-3181.
- Assessment appeal
- January 1–March 31, 2026 for the 2025 tax year, or the later statutory first-half collection closing date if applicable; file a DTE 1 complaint against valuation or assessment with the county Board of Revision through the Auditor under Ohio Revised Code §5715.19.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
December 31, 2026 for the 2025 tax year payable in 2026 for a new, transferred, or previously unclaimed homestead; continuing applicants generally return the form only when required by a change in eligibility.
Senior relief
Ohio homestead reduction for qualifying homeowners age 65+, permanently and totally disabled homeowners, and eligible surviving spouses; 2026 applicants are subject to the current Ohio modified-AGI limit of $41,000 for 2025 income, must own and occupy the property as the principal residence on January 1, and file DTE 105A with the county Auditor.
Valuation limits
No general county parcel-value cap was published. Ohio assesses real property at 35% of market value, reappraises every six years with triennial updates, and applies HB 920 reduction factors and the 10-mill limitation; House Bill 186 (effective March 20, 2026) creates an inflation-cap credit for qualifying property and taxing districts, shown on eligible 2026 bills.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.