Colorado General Contractor License Requirements (2026)

Colorado does not issue one statewide general contractor license. Building-contractor licensing, registration, permit eligibility, fees, insurance evidence, examinations, and renewal are set by the city, county, or other authority having jurisdiction for the project. Start with the permitting authority where the work will occur. Denver is a useful example of the local model, but its rules and prices are not Colorado-wide rules.

Who Regulates This Work

Local building departments and permitting authorities (Local authority) is the primary authority or official reference used for this guide. The controlling authority cited here is Local building and permitting ordinances; Denver Building Permit Policy ADMIN 120A. Colorado local authorities determine whether a general contractor must hold a local license or registration before obtaining permits. Denver’s current policy is one municipal example.

• Official reference: https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/Plan-Review-Permits-and-Inspections

State and Local Eligibility Rules

There is no single statewide application for this work, so this guide does not impose a uniform applicant-age, identification, or tax-number rule. Check the business, specialty-trade, and local authorities that govern the actual project. Colorado has no uniform statewide general-contractor residency or applicant-identity rule. Check the project jurisdiction’s current application instructions.

State-level applicant screening

Colorado has no statewide general-contractor character standard. Do not assume that one city’s application disclosures or review process applies elsewhere.

Background-check requirements

No statewide background-check requirement applies to a general contractor as such; a local authority may set its own application requirements.

Experience and Scope Requirements

No single statewide year-based experience threshold governs the local or scope-specific path described here. The controlling requirement is No statewide experience threshold applies to general contractors. For Denver, first identify the exact local license and the supervisor certificate that ADMIN 120A maps to it; then follow Denver’s current application requirements..

Relevant records and local documents

• The project jurisdiction’s current contractor-license or registration application, if required
• Any qualifying-person, experience, examination, insurance, or business documents required by that jurisdiction
• The permit application and project-specific documents required by the authority having jurisdiction

Education and scope boundaries

There is no statewide construction-education substitution rule. A local authority may set its own standards.

Testing Requirements

There is no single statewide trade examination for the local or scope-specific path described here. The applicable testing rule is: No statewide general-contractor examination provider

Examination fee: No separate state examination fee; local requirements and charges vary.

Retake policy: Colorado has no statewide retake rule for general contractors. Use the applicable local authority’s current instructions.

Insurance, Bonds, and Project Requirements

No statewide contractor-license bond applies to the local or scope-specific path described here. A city, county, permit authority, public owner, or project contract may still require a bond, so confirm the actual project requirements before bidding.

General liability

Colorado has no uniform statewide general-contractor liability-policy amount. Verify the local license, registration, permit, owner, and contract requirements for the particular project.

Workers' compensation

Workers’ compensation obligations are governed separately under Colorado law. A local contractor credential does not replace those employer obligations.

Financial or filing requirements

No statewide general-contractor financial-statement rule applies. Local authorities may require business, insurance, or other supporting documents.

State and Local Fees

To budget for the applicable registration, permits, insurance, and project requirements, open the cost calculator preloaded for Colorado general contractor.

Renewal and Ongoing Compliance

There is no single statewide license-renewal cycle for the Colorado General Contractor Requirements — Local Jurisdictions; renew each applicable local registration, business filing, permit-related credential, or specialty license on the schedule set by its issuing authority. There is no single statewide renewal fee for this path; local and scope-specific charges vary by authority. Track renewal separately for every local credential you hold; a credential in one Colorado jurisdiction does not establish a statewide renewal cycle.

Continuing education: No statewide general-contractor continuing-education rule applies. Verify the local credential’s current renewal requirements.

Out-of-State Credentials and Local Recognition

Colorado has no single statewide credential for this path to transfer through NASCLA. An authority may consider an outside license, examination, or experience record only under its own current rules.

There is no statewide Colorado general-contractor credential to reciprocate. Do not rely on a credential issued by another Colorado jurisdiction unless the project jurisdiction expressly accepts it.

Weighing more than one jurisdiction? The national hub compares published General Contractor license requirements by state — exam, bond, fee, and experience thresholds side by side.

General Contractor Licensing in Neighboring States

Contractors working near a state line, or weighing where to qualify first, should compare Colorado's requirements against the bordering jurisdictions before bidding or beginning work:

• Arizona General Contractor License Requirements — Arizona General Contractor (B, B-1, B-2, B-3, KA, KB-1, or KB-2)
• Kansas General Contractor License Requirements — Kansas General Contractor (Local Licensing — Johnson County example)
• Nebraska General Contractor License Requirements — Nebraska Contractor Registration
• New Mexico General Contractor License Requirements — New Mexico GB-98 General Building Contractor
• Oklahoma General Contractor License Requirements — Oklahoma General Contractor (Municipal Registration — No State License)
• Utah General Contractor License Requirements — Utah General Contractor — B100 or R100
• Wyoming General Contractor License Requirements — Wyoming General Contractor — Local Licensing and Permits

Step-by-Step Compliance Roadmap

1. Identify the permitting authority for each project. Confirm the city, county, or other authority having jurisdiction before bidding or promising to pull a permit.
2. Check whether that authority licenses or registers general contractors. Read its current contractor and permit pages. Requirements can differ between jurisdictions and project types.
3. Match the local classification to the intended scope. Denver ADMIN 120A currently lists General Contractor Class A and Building Contractor Classes B, B2, C, and specialty Class D, each tied to the corresponding supervisor certificate.
4. Complete the jurisdiction’s qualifying-person and business requirements. Submit only the experience, examination, business, and insurance materials the local authority currently requests.
5. Obtain the project permit. A local credential, when required, is only one part of permit eligibility; follow the authority’s plan-review and inspection process.

Pre-Work Checklist

Before bidding or beginning work, confirm each item below with the authorities that govern the project location and scope:

• Project address and the authority having jurisdiction
• The jurisdiction’s current contractor-license or registration instructions, if applicable
• Correct local license classification and qualifying-person documentation, if required
• Current local insurance, business, and permit documents required for the project

Progress is saved in this browser, so you can return to this checklist while your compliance work is in progress.

Common Compliance Mistakes

The issues below are the most likely to create an unlicensed-work, registration, permit, or scope problem for Colorado General Contractor work, based on the official sources cited on this page.

Treating Denver’s classes as a Colorado license

Denver’s classifications are municipal. They do not authorize work automatically in another jurisdiction.

Missing Denver Building Contractor Class B2

The current Denver policy includes B2 in addition to A, B, C, and specialty D; verify the exact class before applying.

Publishing or relying on a statewide fee or insurance amount

Those amounts are not uniform statewide for general contractors. Confirm the local schedule and project requirements.

Confusing a local credential with a permit

The local authority’s plan review, permit, and inspection requirements still apply to the project.

Official References and Preparation Materials

These materials are drawn from the regulator's own citations and the references applicants commonly use to prepare. CLR receives no compensation for listing them.

• Denver Building Permit Policy ADMIN 120A — City and County of Denver. Use this current policy to identify Denver’s license-to-supervisor-certificate mapping; confirm the rest of the application requirements directly with Denver.
• Local adopted building code and permit instructions — Authority having jurisdiction. Use the jurisdiction governing the project, rather than treating one city’s rules as statewide.

Other Colorado Trade Licenses

For a different Colorado credential, see these companion guides published by CLR:

• Colorado Electrician License Requirements
• Colorado Plumber License Requirements
• Colorado HVAC Technician License Requirements
• Colorado Roofing Contractor License Requirements
• Colorado Painting Contractor License Requirements
• Colorado Landscaping Contractor License Requirements
• Colorado Masonry Contractor License Requirements
• Colorado Concrete Contractor License Requirements
• Colorado Carpentry Contractor License Requirements
• Colorado Solar Installer License Requirements
• Colorado Low-Voltage Technician License Requirements
• Colorado Fire Sprinkler Contractor License Requirements
• Colorado Home Inspector License Requirements
• Colorado Pool Contractor License Requirements
• Colorado Handyman License Requirements
• Colorado Pest Control License Requirements
• Colorado Septic Contractor License Requirements

Frequently Asked Questions

Does Colorado issue a statewide general contractor license?

No. General-contractor credentialing and permit eligibility are local in Colorado. Check the authority having jurisdiction for the location and scope of the work.

What general-contractor classifications does Denver currently list?

Denver’s February 2025 ADMIN 120A lists General Contractor Class A; Building Contractor Classes B, B2, and C; and specialty Class D. The policy maps each license type to a required supervisor certificate; it does not make those classifications statewide.

Can a Denver credential be used automatically in another Colorado city?

No. Colorado has no statewide general-contractor reciprocity system. Ask the project jurisdiction whether it recognizes any outside credential before relying on it.

Are there statewide general-contractor fees, insurance limits, or renewal dates?

No single statewide schedule applies. Use the current fee, insurance, and renewal information published by the local authority that will issue the credential or permit.

Report a correction to this guide