Arapahoe County Building division protects the safety of citizens in the built environment by providing quality enforcement of adopted codes. Building issues permits, inspects work and reviews construction plans to ensure that all building projects for new or existing structures are safe and conform to code. 

Starting April 1, 2022, Building's updated Code and Design Criteria is in effect. The new code follows the 2021 International Building and International Residential codes to address updates and requirements of current best practices for building regulations. 

Note that our services are for unincorporated parts of the County. Before proceeding: Check Your Jurisdiction

Our Lima Plaza Office is open to the public during normal business hours of 8 a.m. to 4:30 p.m. Monday – Friday.

Please call 720-874-6600 to make an appointment before visiting our office at 6924 S. Lima St. When a visit to our office is required, scheduling an appointment ensures the correct staff person will be in the office and available to serve you on the day of your visit.

Please note that initial review of building permits takes eight to 12 weeks.

Required Permit Projects

Important: Arapahoe County is changing to the 2020 Electrical code on July 1, 2021 (NEC)

Building projects, as described in section R105 of the IRC and 105 of the IBC, of the current County adopted ICC codes, including amendments posted on our website require a building permit. See the Helpful Resources section below for specific permit guidelines.  

After obtaining a permit, it is the permit-holder's responsibility to schedule an inspection.

Use Citizen Access to:  Apply for permits Apply and Renew Contractor Licenses Upload project documents Communicate with case managers Schedule inspections Make fee payments

If you have already received an inspection date, you can check the expected arrival time window of your inspector the morning of.

News & Operational Updates