Plumber License Requirements in Connecticut
License RequiredLast verified March 9, 2026
Agency And Exam
Issuing agency: Connecticut Department of Consumer Protection
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Unlimited ContractorUnlimited JourneypersonLimited ContractorLimited Journeyperson
Reciprocity states
None listed
Notes
Connecticut licenses plumbing and pipefitting through the Department of Consumer Protection. The state application materials distinguish contractor and journeyperson license types, require exams for individual applicants, and do not provide reciprocity with other jurisdictions. Verified against Connecticut DCP plumbing licensing materials on 2026-03-09.