Click on an office to email them directly, or visit their individual pages for more information
- Adult Probation : 43 South Walnut Street, Wilmington, Ohio 45177 Phone: 937-382-4276, Fax: 937-383-1806
- Auditor: 46 South Street, Wilmington, OH 45177 Phone: 937-382-2250, Fax: 937-382-4090
- Board of Elections: 46 South Street, First Floor, 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
- CCWorks: 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: 46 S. South Street, 2nd Floor Courthouse, 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
- Construction Management: 180 E. Sugartree St., Wilmington, Ohio 4517, Phone: 937-383-7037, Fax: 937-382-5678
- Coroner 2107 Rombach Avenue, Wilmington, OH 45177, Phone: 937-383-1242
- Dog Warden: 1330 Fife Avenue, Wilmington, OH 45177, Phone: 937-382-8388
- Economic Development – Mark Brooker, Economic Development Director/County Administrator, Phone: 937-383-1170
- Emergency Management Agency: 1645 Davids Drive, 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: 180 East Sugartree Street, Wilmington, OH 45177, Phone: 937-382-3784 or 937-382-0963 x 1217
- Insurance: 180 East Sugartree Street, 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: 32 E. Sugartree St., Wilmington, OH 45177, Phone: 937-382-1316
- Recorder: 46 S. South Street, 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: 180 E. Sugartree Street, 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: 46 S. South Street, 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
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