Building
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.
Attention: Due to changes to Code and Design Criteria based on 2021 International Building and International Residential codes, our website is currently being updated. The commercial and residential permit instructions and guidelines are being changed to address updates and requirements of current best practices for building regulations. The new Code and Design Criteria went into effect on April 1, 2022.
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
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.
In the event a remodel, addition or alteration has been done to an existing structure without a permit, here is a step-by-step guide on how to perform corrective measures. Permits ensure that all building projects for new or existing structures are safe and conform to code.
After obtaining a permit, it is the permit-holder's responsibility to schedule an inspection.
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