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For more information on COVID-19 INFORMATION, CANCELLATIONS & RESOURCES please visit the city's main website.

A permit has NOT been issued until the permit status reads "Permit(s) Issued"

Thornton's City Development. Apply for permits, check the status of applications and inspections, check on planning applications and apply for contractor licenses.

You will need to register for an account to take full advantage of all portal features. BEFORE YOU BEGIN, PLEASE REFER TO THE PORTAL HELP SECTION AND FOLLOW THE APPLICABLE REGISTRATION INSTRUCTIONS. Also review the application categories and portal entry instructions to ensure you apply for the correct permit type.

Please see the portal help section for the daily list of inspections report.

Building Department Building Department

Apply for a Building Permit
Apply for a Fire Permit
Request an Inspection
Application Search
Upload Submittals
Contractor Licensing Contractor Licensing

Upload Submittals
Development Engineering Development Engineering

Apply for a Development Engineering Permit
Apply for a Developers Agreement
Application Search
Upload Submittals
Property Information Property Information

Search for a Property