Administrative overview · FIPS 39027
Clinton County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Clinton County Building & Zoning Department
For a project in or near Clinton County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
937-382-3335
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
111 S. Nelson Ave., Suite 8, Wilmington, OH 45177
Operating hours
Monday-Friday 7:30 AM-4:00 PM
Review expectation
N/A; the department sends email notification when applications and plans are approved.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Clinton County
Who handles permitting for this jurisdiction?
Clinton County Building & Zoning Department is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact 937-382-3335.
How long might review take?
N/A; the department sends email notification when applications and plans are approved.
How are inspections scheduled?
Call 937-382-3335 with the permit number or job address at least 24-48 hours in advance. The permit and approved plans must be on site, work must be complete for the requested stage, and Clinton County contracts with the Warren County Building Department for building inspections.
Which codes and exemptions should I review?
2019 Residential Code of Ohio with April 2024 amendments; 2024 Ohio Building Code; 2024 Ohio Existing Buildings, Mechanical, and Plumbing Codes; 2022 NFPA 13 and NFPA 72; 2021 IECC and IFGC; 2023 NFPA 70; and applicable Ohio Fire Code and accessibility standards. The department provides an Agricultural Use Exemption Declaration and lists accessory structures from 0-200 square feet as zoning-only in its fee schedule. Confirm whether a project qualifies with Building & Zoning before work begins; other minor-work exemptions are not consolidated on the current site.