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FAQ Topic: Building & Zoning FAQs

What building codes do you enforce?

The 2024 Ohio Building Code is now in effect. Applications for commercial permits submitted after 3/1/2024 and residential permits submitted after 4/15/2024 must comply with the updated code.

Why do I need a building permit?

Building permits and inspections basically protect the consumer from unscrupulous contractors who may not build to the codes. They also help the do-it-yourself homeowner, who may not have a working knowledge of building codes, ensure that their building projects are completed safely and in accordance with current building codes.

When do I need a permit?

A permit is required for the erection, repair, alteration, improvement, and addition of or to any building within the City. Permits are not required for ordinary maintenance or repair, unless the alteration changes the exterior lines or limits of the building, changes the number of living units within the building, or relates to the sanitary … Continued

Do I need a permit for a swimming pool?

Yes.  Check the zoning requirements for your district to ensure you have an area large enough to provide the required setbacks from the property lines, that you are not exceeding the number of accessory structures allowed, and that you meet safety requirements listed as well.

Where do I get a plumbing permit?

All plumbing permits are obtained through the Clinton County Health Department located at 111 S. Nelson Avenue. Their phone number is (937) 382-7251.

What if we live outside the city limits of Wilmington?

Building permits and zoning issues outside of the city limits are under the jurisdiction of the Clinton County Building & Zoning Department. They are located at 111 S. Nelson Avenue, and their phone number is (937) 383-2054.

Does the City of Wilmington issue permits for construction of manufactured homes?

Manufactured homes must go through a third party for permitting and inspections. Please contact the Ohio Manufactured Homes Commission Website at or by phone at 614-466-4100 for more information. If you are planning on constructing a mobile/manufactured home within the City limits, you will need to contact our office for zoning approval.  Manufactured homes must … Continued

What building codes do you enforce?

The 2024 Ohio Building Code is now in effect. Applications for commercial permits submitted after 3/1/2024 and residential permits submitted after 4/15/2024 must comply with the updated code.

Where can I see a copy of the building code?

Code books are available for viewing in our office, as well as the Clinton County Law Library and the Public Library. In addition, several of the local building supply businesses have the code books available at the contractor’s desk.

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