Contractor Licensing

The Board of County Commissioners approved changes to the Building Contractor Licensing Program for Unincorporated Arapahoe County. This summary outlines the changes effective Aug. 30, 2022. 

Contractor Licensing Information

All contractors are required to be licensed in Arapahoe County to perform work in unincorporated Arapahoe County.

Find out what you need to apply or renew your contractor license

New Licenses 

All contractors are required to be licensed in Arapahoe County to perform work in unincorporated Arapahoe County. Review our step-by-step guide on how to apply. 

Check the property jurisdiction: Our services are only for properties in unincorporated Arapahoe County.

Summary of the license application process:

  1. Create an account on the Customer Access website if you don’t have one already
  2. Login to Customer Access
  3. Select the “Building Contractors” tab, accept terms
  4. Select the type of License
  5. Provide the contractor’s account information as Applicant. If you are not the contractor, provide your own account information as Agent On Behalf Of Applicant.
  6. Provide the requested License Detail information
  7. Upload legible copies of PDFs, photos, or scans of the required documentation
  8. Review and submit—be sure to write down your license application number, called record number
  9. After your license submission is reviewed and approved, you will receive an email
  10. If applicable, you must log in and pay a fee before your permit is issued

An agent procuring licenses for contractors should have their own Customer Access account. See “Detailed Instructions” below, including instructions on how to renew.

All License Types require the following documents:

  • General Liability Insurance
  • State Issued ID, such as a Driver’s License
  • Workers Comp information, if applicable

Specific documents needed for license types:

License TypeAdditional Required Documents
ElectricalElectrical Master License
Electrical Contractor's License
Plumbing (non Water Conditioner)Plumbing Master License
Plumbing Contractor's License
General A, B or C*
Mechanical (non RADON)*
State License/Registration/Reciprocal/Other

*Can Use International Code Council (ICC) License
Plumbing (Water Conditioner)
Mechanical (RADON)
State License/Registration/Reciprocal/Other
General D (non FASC)None

  General D (FASC)                                                                       NICET Certification

The fees are as follows:

License TypeFee
Class "A" and "B" Building, Solar, Mechanical, Roofing, and Retaining Wall Contractors$360
Class "C" Building and Mechanical Systems Contractors$180
Class "D" Contractors (Fire Alarm/Detection)$132
Class "D" Contractor (non Fire Alarm/Detection)$84

Note the General Liability requires the following minimum limits and information:

  • General aggregate: two million dollars ($2,000,000.00) 
  • Each occurrence: one million dollars ($1,000,000.00)
  • Insurance must list: Arapahoe County—6924 S. Lima St., Centennial, CO 80112—as additional Holder

Ready to apply? Click Customer Access to get started.

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Renewal Licenses

Review our step-by-step guide to renew your license

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Ready to renew? Click Customer Access to get started.

License Types and Fees

All licenses expire on 12/31. Questions about how to pay for your license? Check out this guide

  1. Building Contractor
  2. Mechanical Contractor
  3. Roof Contractor
  4. Solar Contractor
  5. Retaning Wall/Fence Contractor
  6. Water Conditioner Contractor

Class A: Building Contractor – Fee $360

This license entitles the holder to contract for the construction, alteration, installation, or repair pertaining to: tenant finish, fire suppression, elevators and/or signs (Other than Fascia) of commercial structures permitted by the International Building Code. Contractors shall be required to furnish proof of ICC Building Contractor Class “A” certifications or equivalent certification by a recognized state or national certification entity.  

Class B: Building Contractor – Fee $360

This license entitles the holder to contract for the construction, alteration, or repair of commercial and residential structures as permitted by the International Building Code and/or the International Residential Code. Contractors shall be required to furnish proof of ICC Building Contractor Class “B” certifications or equivalent certification by a recognized state or national certification entity. 

Class C: Building Contractor – Fee $180

This license entitles the holder to contract for the construction, alteration, or repair of residential structures, to include: single-family homes, townhomes, duplexes, basement finishes, decks, patios covers, residential elevators, garages, carports, siding, windows, doors, Manufactured Homes, Modular Homes and structures regulated by the MHIP program and as permitted by the International Residential Code. Contractors shall be required to furnish proof of ICC Building Contractor Class “C” certification or equivalent certification by a recognized state or national certification entity.

Class D: Building Contractor – Fee $84

This license entitles the holder to contract for the performance of work related to: painting and drywall, concrete, masonry, pools/spas, demolition, excavation, sign installation (Fascia only), fire alarm/detection, access control, low-voltage / data, oil & gas, special events, green energy and special applications. Contractors shall be required to furnish proof of any required ICC certification where applicable for the respective trade or equivalent certification by a recognized state or national certification entity and shall be required to furnish proof of at least one (1) year experience in the respective trade.

Fire Alarm Systems Contractor – Fee $132

This license entitles the holder to perform fire alarm and detection systems installation. Contractor shall furnish proof of at least one (1) year of experience in the fire alarm systems installation trade or proof of an active NICET Level II fire alarm certificate.