Connecticut Contractor & Trade License Requirements

Connecticut licenses specialty trades (electrical, plumbing, HVAC) statewide through the Department of Consumer Protection (DCP), but does not require a statewide general contractor license. General contractors must register as either a Home Improvement Contractor (residential) or Major Contractor (commercial). Roofing contractors register under the Home Improvement Contractor or Major Contractor categories depending on project type. All trade licenses use an odd/even numbered classification system: odd numbers (E-1, P-1, S-1) for contractors and even numbers (E-2, P-2, S-2) for journeypersons.