Welcome to Clairmont County, Ohio
Clairmont County was organized in 1818 from portions of Washington and Gallia counties and is home to approximately 34,000 residents across twelve townships and five incorporated villages. The county seat is Marbury. County government provides services ranging from road and bridge maintenance to building inspection, public health, elections, and the courts.
This website is provided by the Board of County Commissioners as a service to residents, businesses, and visitors. Use the navigation above to reach county departments, or the Online Services box at left for the most-requested items.
News & Announcements
Permit Search maintenance window scheduled for Sunday, July 19
The online Building Permit Search will be unavailable Sunday, July 19, 2026, from approximately 6:00 AM to 8:00 AM while Information Systems ap…
County offices closed Friday, July 3 for Independence Day
All Clairmont County offices, including Building & Development Services, will be closed Friday, July 3, 2026, in observance of Independence Day…
2026 property revaluation notices mailed to all parcel owners
The County Auditor has mailed tentative value notices for the 2026 sexennial reappraisal to all 41,300 parcels in the county. Property owners w…
Board of Commissioners adopts FY2027 tax budget
At its regular meeting of June 15, the Board of County Commissioners adopted the fiscal year 2027 tax budget by a 3-0 vote and forwarded it to …
Township Road 210 bridge replacement begins June 22
The County Engineer will close the Township Road 210 bridge over Sycamore Creek beginning Monday, June 22, 2026, for full superstructure replac…
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Commissioners’ Meetings
- Regular sessions: Tuesdays, 10:00 AM
- Commissioners’ Hearing Room, 100 Public Square, Marbury
- Agendas & minutes
Did You Know?
- Permit records from 2019 forward are searchable online — no login needed.
- Call (740) 555-4622 by 3:00 PM for a next-day inspection.
- Dog licenses renew each December through the Auditor’s office.
Page last updated: 07/09/2026