Colorado Department of Pesticide Education Program at Colorado State University

Pesticide Applicator Licensing


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What Type of License do I need?

  • If you are seeking a license for your business, click here.
  • If you need information about training technicians, click here.
  • If you already hold a license in Colorado and need information about recertification, click here.
  • If you are an individual, follow the decision tree below to learn which license is right for your situation. Click on your choice to find more information. For a description of each commercial, limited commercial, and public applicator category, click here.

Decision Tree
Private Reciprocal Commercial LimCom Public Agricultural Ornamental Turf Structural Categories QS CO
★ This map was created with the information found in the Department of Agriculture's Licensing and Examination Guide" (PDF).

Commercial License Categories

Agricultural Insect Control (101)
The application of pesticides to agricultural plants, including applications performed on pastures, croplands and non-crop agricultural lands, to control invertebrate pests, including insects, mites, slugs, snails, and nematodes.

Agricultural Plant Disease Control (102)
The application of pesticides to agricultural plants, including applications performed on pastures, croplands and non-crop agricultural lands, to control plant diseases.

Agricultural Weed Control (103)
The application of pesticides to agricultural lands, including pastures, croplands and non-crop agricultural lands, to control weeds.

Seed Treatment (104)
The application of pesticides to seeds.

Livestock Pest Control (105)
The application of pesticides to livestock.

Forest Pest Control (106)
The application of pesticides in forests, forest nurseries, forest seed producing areas managed for the production of timber and other forest products or maintained as wood vegetation for such indirect benefits as protection of catchment areas or public recreation, including windbreaks and downed timber. For applications in forested areas within fifty (50) feet of a residential or commercial structure, an applicator must also hold the ornamental pest control category in accordance with Part 9 of these rules and comply with all of the posting and notification requirements in section 35-10-112, C.R.S., of the Pesticide Applicators' Act. This additional certification in the ornamental pest control category shall not apply to aerial applicators or ground applications made by federal, state, or local governments on property they own. This category does not apply to pesticide applications made to control vertebrate pests.

Rangeland Pest Control (107)
The application of pesticides to land which is not managed for turf, pasture or forest on which the vegetation is predominantly native plant species of introduced species managed as native species such as grasses, grass-like plants, forbs or shrubs. Rangelands include but are not limited to natural grasslands, shrublands, deserts, tundras, and meadows. For applications performed in rangeland areas within fifty (50) feet of a residential or commercial structure, an applicator must also hold the turf pest control category in accordance with Part 9 of these rules and comply with all of the posting and notification requirements in section 35-10-112, C.R.S., of the Pesticide Applicators' Act. This additional certification in the ornamental pest control category shall not apply to aerial applicators or ground applications made by federal, state, or local governments on property they own. This category does not apply to pesticide applications made to control vertebrate pests.

Aquatic Pest Control (108)
The application of pesticides to standing or running water when made to control weeds, amphibians, fish and other pests in water, except for pesticide applications which are included in the "Public Health" category

Industrial and Right-of-Way Weed Control (109)
The application of pesticides to maintain roads, sidewalks, trails, paths, utility lines, railways, parking lots, drilling rigs, substations, open irrigation and drainage structures or similar areas and adjacent land within right of ways associated with such areas for the purpose of establishing or maintaining definable cover or bare ground.

Public Health Pest Control (110)
The application of pesticides for control of disease vectors, except vertebrates.

Research and Demonstration (111)
Application of pesticides in the course of conducting field research or demonstration. No license or certification will be issued in this category unless the applicant also obtains licensing or certification, in the specific category listed in the Rules, which is appropriate to the research activity.

Metam Sodium for Sewer Root Control (113)
Metam sodium for root control in sewers: the application of metam sodium in sewers to control roots. For purposes of this sub-category, "sewer" shall mean any artificial conduit for the transmission of wastewater to a wastewater treatment plant.

Turf Pest Control (206)
The application of pesticides to: (1) turf to control invertebrate pests, including insects, mites, slugs, snails, and nematodes, or to control plant diseases or weeds; or (2) ornamental beds to control weeds.

Ornamental Pest Control (207)
The application of pesticides to ornamental trees, shrubs, beds, flowers and other ornamental plants, except turf or indoor ornamental plants, to control invertebrate pests, including insects, mites, slugs, snails and nematodes, or to control plant diseases.

Wood Destroying Organism Pest Control (301)
The application of pesticides to control termites, carpenter ants, powder post beetles, fungi, and/or other wood destroying organisms in structures and/or adjacent outside areas.

Outdoor Vertebrate Pest Control (302)
The application of pesticides intended for preventing, destroying, repelling or mitigating any reptile, bird, feral dogs and cats, moles, voles, bats, wild carnivores, rabbits, skunks, amphibian pests not in water and any other vertebrate pest, except rats and mice.

Fumigation (303)
The application of a fumigant to one or more rooms in a structure or to the entire structure at a desired concentration and for a length of time necessary for the control of rodents and/or insect pests, including the application of a fumigant to a localized space or harborage within a structure for local insect and/or rodent control.

Residential/Commercial Pest Control (304)
The application of pesticides or bait stations intended for use for preventing, destroying, repelling or mitigating structural pests, including without limitation insects and rodents. However, this category does not include the application of fumigants or actions taken to control wood destroying organisms, outdoor vertebrates, or grain storage pests.

Stored Commodities Treatment (305)
The application of pesticides for the treatment of pests in raw grain stored in facilities which are not used for animal or human habitation; the application of plant growth regulators to agricultural commodities stored in facilities which are not used for animal or human habitation; and the application of pesticides to commodity processing equipment or commodity storage facilities (not including offices or other structures).

Wood Preservation and Wood Products Treatment (306)
The application of pesticides to prevent, destroy, repel or mitigate pests in wood or wood products which are, or are capable of being, incorporated into a structure, not including downed timber prior to bark removal or sawing.

Interior Plant Pest Control (307)
The application of pesticides to house plants and other indoor ornamental plants kept or located within structures occupied by humans, including, but not limited to houses, apartments, offices, shopping malls, other places of business and other dwelling places, to control invertebrate pests that adversely affect such plants, including insects, mites, slugs, snails and nematodes; and to control plant diseases.

Reciprocal License

If you hold a pesticide applicator's license granted by another state or jurisdication, there are a few things you need to know:

  1. You can become a licensed private applicator or certified operator in Colorado without passing any examinations.
  2. However, this reciprocal license is valid only for the unexpired term of your current license.
  3. In order to obtain your reciprocal license, you must:
    - Provide proof of current certification and licensure in good
    standing from the other jurisdiction; and
    - Pay an application fee.
  4. Your reciprocal license will expire on the same day your license in the other jurisdiction expires.
  5. You cannot renew a reciprical licence by completing continuing education credits. You may, however, renew by:
    - Applying for renewal based on reciprocity OR
    - By taking the Colorado examinations and satisfying all other requirements for licensure in Colorado

CLICK HERE FOR RECIPROCAL LICENSE APPLICATION

For more information on reciprocal licensure, contact CDA at (303) 869-9063

 

Department of Bioagricultural Sciences and Pest Management:    Address   1177 Campus Delivery    Colorado State University     Fort Collins, CO 80523     Voice: 970-491-3947     Fax: 970-491-3862     cepep@colostate.edu


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