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Colorado does not license general contractors at the state level — most contractor licensing happens at the city and county level, and jurisdictions like Denver issue their own licenses that do not transfer between cities. Electricians and plumbers are licensed statewide through DORA. Always check the local licensing requirement for the city where the work happens.

Start with the official lookup linked above from the Colorado Department of Regulatory Agencies (local licensing applies). Confirm the license or registration is active, that the classification matches your project, and check for disciplinary history or complaints. Then verify general liability insurance — and workers' compensation if the company has employees — directly with the insurance carrier, not from a photocopied certificate.

If something goes wrong, your state consumer protection office and the licensing board are the places to file complaints. Keep the written contract, invoices, photos, and all communication.

Permits are strictly local. Denver, Colorado Springs (through the Pikes Peak Regional Building Department), and Aurora each run separate permit systems with different requirements.

For permitted work, the contractor should pull the permit in their own name and schedule the required inspections. An inspection is your independent verification that the work meets code — be cautious of anyone who suggests skipping a required permit or asks you to pull an owner permit for work they are performing.

Hail is the dominant roofing risk along the Front Range, and freeze-thaw cycles punish concrete, roofing, and exterior paint. High altitude affects HVAC sizing and combustion appliance venting.

Rapid growth means much of Colorado's housing is relatively new, but Denver and older mountain towns have early-1900s housing with aging systems. Wildland-urban interface areas carry wildfire building requirements.

Get at least two or three written, itemized quotes. The contract should name the scope, price, payment schedule tied to milestones, start and completion dates, change-order process, and warranty terms. Tie payments to completed work, keep the final payment meaningful until the punch list is done, and never pay the full amount up front.

Federal consumer guidance from the FTC applies everywhere: be wary of door-to-door solicitation after storms, pressure to sign immediately, demands for large cash payments up front, and contractors who cannot provide a verifiable license, insurance, and local references.