Connecticut pest control license lookup: how to check and get a license
Connecticut pest control license lookup: who issues exterminator licenses (DEEP), how to check one online, the license types, and 100 exterminating and pest control services by county.
Do exterminators need a license in Connecticut?
| Who licenses them | Connecticut Department of Energy and Environmental Protection (DEEP), Pesticide Management Program |
|---|---|
| License types | Pesticide Application Business Certificate of Registration, Commercial Supervisory Certification, Commercial (Junior) Operator Certification |
| When a license is required | Registration required before operating a pesticide application business |
Exterminators need a DEEP business registration plus a certified supervisor who decides how pesticides are applied; operators must work under a certified supervisor. DEEP certifications can be looked up on eLicense.
How do you look up an exterminator's license in Connecticut?
- Ask the exterminator for the license number and the exact business name on the license.
- Open the Connecticut pest control license lookup run by DEEP.
- Search by license number first. A name search can return several people or companies with similar names.
- Check that the status is active or current, that the license type covers your job, and that the name matches the company on your contract.
- If something doesn't match, ask the exterminator about it before you sign or pay a deposit, or contact DEEP.
What pest control licenses does Connecticut issue?
- Pesticide Application Business Certificate of Registration
- Commercial Supervisory Certification
- Commercial (Junior) Operator Certification
How do you get a pest control license in Connecticut?
Licenses are issued by the Connecticut Department of Energy and Environmental Protection (DEEP), Pesticide Management Program. Requirements such as experience, exams, insurance and fees change, so read the current rules on the official DEEP source before you apply. Already licensed? List your business on Expert Helper to get matched with customers.
How many exterminators are there in Connecticut?
The Census Bureau counted 100 exterminating and pest control services with employees in Connecticut in 2023. The counties with the most:
| Capitol Planning Region | 29 |
|---|---|
| Western Connecticut Planning Region | 20 |
| South Central Connecticut Planning Region | 17 |
| Naugatuck Valley Planning Region | 13 |
| Greater Bridgeport Planning Region | 11 |
| Lower Connecticut River Valley Planning Region | 6 |
| Southeastern Connecticut Planning Region | 4 |
What do Connecticut homes mean for pest control work?
The median home in Connecticut was built in 1967, 34% of households rent and 65% of homes are single-family houses. 36% of homes heat with utility gas and 18% with electricity, and 37% with fuel oil.
How do you choose an exterminator in Connecticut?
- Ask for the business registration and the applicator's state certification number, and check them with the state agency.
- Ask what product they'll use and where, and what you need to do before and after (pets, kids, food, laundry for bed bugs).
- Prefer companies that inspect and seal entry points (integrated pest management) over ones that only spray.
- For bed bugs, ask how many visits are included and whether a follow-up inspection is part of the price.
- Get the guarantee in writing: what happens if the pests come back within 30 or 90 days.
Exterminators & Pest Control in other states
Sources: Connecticut licensing agency (linked above); US Census Bureau County Business Patterns 2023 and ACS 2023 5-year estimates.