Jefferson County, CO
Building/Permitting Department
How permitting works in Colorado
Colorado counties operate under high local autonomy, where the county's role is to determine which, if any, building codes to adopt for unincorporated areas. While most populated counties maintain robust permitting offices, the state does not mandate a universal county role, leading to significant variation in requirements between jurisdictions.
Home Rule; Cities/Counties adopt independent codes.
Contact Information
- Phone
- (303) 271-8260
- Office Hours
- Monday - Thursday, 8 a.m. - 5 p.m.
- Website
- https://www.jeffco.us/
- Permit Portal
- https://www.jeffco.us/2163/Permits
Start your building project in Jefferson County, CO
Permit Saige will guide you step-by-step through the application process.
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