County Building Permits
Union County, IL - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Union County, Illinois. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated Union County. County clerk contact information is public; permit administration appears to run through county offices rather than a standalone building department.
- Department
- Address
- Union County Courthouse, 309 W. Market St., Room 116, Jonesboro, IL 62952
- Phone
- (618) 833-5711
- Website
- https://www.unioncountyil.gov/
Application Process
- Contact Union County Clerk/Recorder office for permit guidance.
- Obtain the county permit application from the county website or office.
- Submit project details, valuation, and site information.
- Await county review and any required local or zoning signoff.
- Pay applicable permit fee and receive issued permit.
General Requirements
- Building code
- Statewide minimum code applies from 2025-01-01, including IBC 2021, IRC 2021, NEC 2023, Illinois Energy Conservation Code, and Illinois Plumbing Code.
- Contractor requirements
- Illinois-licensed electricians and plumbers still apply statewide. No county contractor-licensing ordinance located.
Work That Does NOT Require a Permit
Contact the to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Building code: Statewide minimum code applies from 2025-01-01, including IBC 2021, IRC 2021, NEC 2023, Illinois Energy Conservation Code, and Illinois Plumbing Code.
- Other useful links
- License lookup guide: Illinois Contractor License Requirements
- Contract template: Illinois Homeowner-Contractor Agreement
- Illinois hub: Illinois Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the before applying.
Frequently Asked Questions
Union County Building Permit FAQ
- How do I apply for a building permit in unincorporated Union County, IL?
- 1. Contact Union County Clerk/Recorder office for permit guidance. 2. Obtain the county permit application from the county website or office. 3. Submit project details, valuation, and site information. 4. Await county review and any required local or zoning signoff. 5. Pay applicable permit fee and receive issued permit.
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