Public Notice : Effective June 1, 2018 all contractors doing work in the Unincorporated area of Arapahoe County are required to be licensed with the Arapahoe County Building Department.  Please fill out the Contractor License application and send it along with the applicable documentation to our office at  If you have any questions please contact our office at 720-874-6600.

Building Division

The mission of the Building Division is to provide quality customer service in a timely and courteous manner, to enforce adopted codes in a professional and unbiased manner and to earn the respect of the citizens we serve.

Helpful Resources

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On August 30, 2016 the Board of County Commissioners voted to amend the County Building Codes, by adopting several of the 2015 International Codes along with applicable amendments, effective October 1, 2016.

A copy of the adopted codes and amendments are available for viewing at the following link:
Adopted Building Codes and Amendments - Effective October 1, 2016