Building Safety

clickable image for COVID closure infoEffective March 16, 2020, Jefferson County offices are closed to the public. Many offices will be providing services online. Please contact individual offices to learn more and visit the COVID Closure page for countywide closure information. 

Inspection Information:

Building inspections related to occupied residential dwelling units that require the inspector to go inside are temporarily suspended until further notice. All other inspections will take place as normal. The online system is available for canceling, scheduling and am/pm times. Times (am) 8 a.m. - 12 noon, (pm) 12 noon - 4 p.m. Check for times @ entraprise

Welcome to the Jefferson County Division of Building Safety home page. The division is entrusted with achieving compliance with applicable state laws and adopted building codes in regards to building design and construction within unincorporated Jefferson County. Is my address in unincorporated Jeffco?

Hot Topics

The county has adopted an addendum to the 2018 Jefferson County Code Supplement. Appendix Z - Special Building Construction Regulations in Wildfire Zone 1. Effective Date January 1, 2020.  

Passive Radon Mitigation System Inspection is now required for new residential construction per R109.3.5 of the 2018 Jefferson County Residential Code Supplement.

Online Service 

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Inspection Requests

Online Service

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