STATE LICENSE
RequiredColorado Department of Agriculture — Divi…
Colorado does not run a separate structural pest control board. Instead the Pesticide Applicators' Act puts every business that applies pesticides for hire under the Commissioner of Agriculture, and structural work sits in the 300-series categories: 301 Wood Destroying Organism Pest Control, 302 Outdoor Vertebrate Pest Control, 303 Structural Fumigation, 304 Residential/Commercial Pest Control and 305 Stored Commodities Treatment.
Three requirements stack. The business must hold a commercial applicator business license, issued only for the class or subclass in which its qualified supervisor is licensed. The business must carry at least $400,000 of liability insurance, with the policy requiring ten days' written notice to the commissioner before cancellation — pollution-exclusion policies expressly satisfy it. And an individual Qualified Supervisor must hold the general exam plus every category exam for the work performed, with documented on-the-job experience. Certified Operators, who use restricted-use pesticides without on-site supervision, are a separate $100 individual license with no experience requirement.
The state sets the license floor; the county or city permit office controls filing, inspections, and local rules wherever the job site sits.
Pest control is the most preempted trade in Colorado. C.R.S. 35-10-112.5 finds that a consistent, coordinated system of statewide uniform standards is essential to public health, safety and welfare, declares pesticide regulation a matter of statewide concern, and then forbids a local government from adopting or continuing any ordinance, rule, resolution, charter provision or statute about pesticide labeling and registration requirements or about the use and application of pesticides by persons regulated under the article or federal law — an exhaustive list that reaches directions for use, restricted-use classification, mixing and loading, site of application, target pest, dosage rate, method of application, application equipment, frequency and timing, reentry intervals, worker specifications and container storage and disposal. There is no local pest control license to obtain anywhere in the state, and no city on the Front Range publishes one. The local layer is ordinary business registration plus any building or fire permit for a storage facility.
The local offices section below names the exact permit desk for every Colorado county on file.
Each row names the issuing authority, cost, timeline, citation, and status behind the requirement — verified against the official source.
Published fees from the issuing authorities, as of September 2026. Local permit fees vary by project and jurisdiction — the basis is stated where a flat number does not exist.
An individual certified elsewhere can obtain a reciprocal Certified Operator license for $150, and there is no reciprocity at the Qualified Supervisor level. The department offers no reciprocity for business licenses at all.
If the business renewal application and fee are not received within thirty days after expiration, the license is not renewed and the applicator must apply for a new one. Individual licenses may be reinstated within 180 days, and not after.
Renewal without examination requires seven core credits plus one credit per licensed category — except Residential/Commercial Pest Control, Turf and Ornamental, which each require two credits in pest management.
A practical sequence for a new pest control contractor in Colorado. Actual agency processing times are noted in the ledger above.
Each item names the issuing authority, cycle, and citation.
Statutory consequences with their citations — not estimates, not “commonly cited” guesses.
Performing any act for which licensure as a commercial applicator, qualified supervisor, certified operator or private applicator is required, without possessing a valid license, is unlawful and a violation of the article.
Unlicensed application and the other core violations are criminal offenses; for most other violations the department must first find, after notice and hearing, that the person twice committed the violation before criminal charges may be brought.
The commissioner may deny, suspend, revoke or refuse to renew a license and may consider whether a civil penalty would affect the person's ability to stay in business when setting it.
Inside city limits, the city office listed here issues the permit; the county office serves unincorporated areas. Every office links to its official page.
Every fact in this file was checked against these official sources on September 2026.
Pending verification: The current expiration date and term the commissioner has set for commercial applicator business licenses and for qualified supervisor and certified operator licenses — the statute caps both at three years but the department sets the actual term administratively · The reinstatement fee amount for a license expired fewer than 180 days, which is set by the commissioner rather than published on the program page · Whether a business performing only non-chemical structural pest work — exclusion, trapping and sanitation with no pesticide application — falls outside the commercial applicator definition entirely; the act reaches those who apply pesticides or operate designated devices for hire
General information, not legal advice. Always confirm requirements, deadlines, and forms with the issuing authority before filing or contracting.
Store licenses, permits, policies, and renewal dates in one place.