To contact an office in Clinton County, Ohio visit the individual page for information or email them directly using the addresses provided below. 

• Adult Probation : 46 S. South Street, Wilmington, Ohio 45177 Phone:  937-382-4276, Fax: 937-383-1806
• Auditor: 1850 Davids Drive, Suite 303, OH 45177 Phone: 937-382-2250, Fax: 937-382-4090
• Board of Elections: 111 S. Nelson Avenue, Wilmington, OH 45177 Phone: 937-382-3537, Fax: 937-383-3538
• Building and Zoning: 111 S. Nelson Avenue, Wilmington, OH 45177  Phone: 937-382-3335, Fax: 937-383-3056
• Board of Developmental Disabilities: 4425 State Route 730, Wilmington, OH 45177, Phone: 937-382-7519, Fax: 937-382-6676
• OhioMeansJobs: 1025 S. South Street, Suite 500, Wilmington, OH 4517, Phone:  937-382-7762, Fax:  937-383-2657
• Child Support: 1025 S. South Street, Suite 400, Wilmington, Ohio 45177, Phone: 937-382-5726, Fax:  937-383-2400
• Children Services: 1025 S. South Street, Wilmington, OH 45177, Phone: 937-382-5935, 24 hour emergency number 937-382-2449, Toll Free Number: 1-800-284-8942
• Clerk of Courts: 46 S. South Street, Wilmington, OH 4517, Phone: 937-382-2316,  Fax: 937-383-3455
• Clinton County Port Authority: 1113 Airport Road, Wilmington, Ohio 45177
• Commissioners: 1850 Davids Drive, Suite 208, Wilmington, Ohio  45177, Phone: 937-382-2103, Fax:   937-383-2884
• Common Pleas Court: General Division: 46 S. South Street, Wilmington, OH 4517, Phone: 937-382-3640, or contact: Clerk of Courts
• Coroner : 1850 Davids Drive, Suite 105, Wilmington, OH 45177, Phone: 937-383-1242
• Dog Warden: 1330 Fife Avenue, Wilmington, OH 45177, Phone: 937-382-8388
• Economic Development – Phone: 937-383-1170
• Emergency Management Agency: 1850 Davids Drive, Suite 107, Wilmington, OH 45177, Phone: 937-382-6673, Fax: 937-382-7530
• Engineer
• Family and Children First Council: 1025 S. South Street Suite 400, Wilmington, OH 45177 Phone: 937-382-5726 x.1423, Fax: 937-382-7039
• Family Services: 1025 S. South Street, Suite 200, Wilmington, OH 45177
• Geographic Information Systems
• Health Department: 111 South Nelson Ave., Suite 1, Wilmington, OH 45177, Phone:  937-382-7251
• Human Resources: 1850 Davids Drive, Suite 209, Wilmington, OH 45177, Phone:  937-382-3784  or  937-382-0963  x 1217
• Insurance: 1850 Davids Drive, Suite 209, Wilmington OH 45177, Phone: 937-382-3784
• Juvenile Court: 46 S. South Street, Wilmington, OH 45177, Phone: 937-382-2391
• Law Library: 46 S. South Street, Wilmington, OH 45177, Phone: 937-382-2428
• Local Community Corrections
• Maintenance Department: 1025 S. South Street, Wilmington, OH 45177, Phone:    937-382-5665, Fax: 937-382-1039
• Municipal Court: 69 N. South Street, Wilmington, OH 45177, Phone: 937-382-8985, Fax: 937-383-0130
• Ohio State University Extension, 111 S. Nelson Avenue, Wilmington, OH 45177 Phone: 937-382-0901, Fax 937-382-4995
• Prosecuting Attorney
• Probate Court: 46 S. South Street, Wilmington, OH 45177, Phone: 937-382-2280
• Public Defender: 46 S. South Street, Wilmington, OH 45177, Phone: 937-382-1316
• Recorder: 1850 Davids Drive, Suite 305, Wilmington, OH 45177, Phone:  937-382-2067  Fax: 937-382-8097
• Regional Planning Commission: 69 N. South St., Suite 100, Wilmington, Ohio 45177, Phone: 937-382-3582, Fax: 937-383-1489
• Sheriff’s Office
• Soil and Water Conservation District: 111 S. Nelson Avenue, Wilmington, OH 45177, Phone: 937-382-2461  ext. 101
• Solid Waste and Recycling: 1850 Davids Drive, Suite 109, Wilmington, OH 45177, Phone: 937-382-6177
• Suicide Prevention Coalition of Warren and Clinton Counties:  107 Oregonia Road, Lebanon, OH 45036, Phone: 513-695-1730, Fax: 513-695-2997
• Treasurer: 1850 Davids Drive, Suite 203, Wilmington, OH 45177, Phone:  937-382-2224, Fax: 937-382-3742
• Veterans Commission: 43 S. Walnut St., Box 2, Wilmington, Oh 45177, Phone 937.382.3233, Fax: 937.655.8834

For general inquiries please use the form below to contact the County