Major Contractor Registration

Registration is required before breaking ground on any threshold building in Connecticut

Connecticut's Major Contractor Registration — issued by the Department of Consumer Protection under CGS § 20-341gg — is the mandatory credential for any person or company engaged in construction, structural repair, structural alteration, dismantling, or demolition of a structure that meets or exceeds the "threshold limits" defined in § 29-276b. The registration applies to the general contractor managing the project and to subcontractors whose work directly impacts structural integrity. There is no exam required and no minimum years of experience specified — the registration is credentialing and compliance-based, not competency-tested.

A building crosses the threshold at any one of five criteria

Under § 29-276b, a structure becomes a threshold building — and therefore triggers the Major Contractor Registration requirement — once it meets any single one of these conditions:

• 4 stories above grade
• 60 feet in height
• A clear span of 150 feet in width
• 150,000 square feet of gross floor area
• An occupancy of 1,000 persons

Special use-group rules (Institutional, Residential, Storage) establish separate thresholds for those occupancies. Work on any structure or addition that will cross any one of these lines requires registration before construction begins.

Both the application and annual renewal cost $500, processed through eLicense

The initial application fee is $500 (non-refundable) and the annual renewal fee is $500 — both paid through the Connecticut eLicense portal at elicense.ct.gov. Registrations expire on June 30 each year. DCP allows reinstatement within three years of expiration without full reapplication; after three years, the applicant must start over.

Required documents at initial application include:

• Two credit references: one from the trade industry (a supplier or subcontractor) and one from a financial institution, using the DCP-provided reference forms downloadable from the application page
• Project history listing projects currently in progress and those completed within the past five years
• Proof of general liability insurance
• Proof of workers' compensation insurance
• Business registration with the Connecticut Secretary of State's Office (required for legal entities before the DCP application can be submitted)

Prequalified contractors holding a valid prequalification under CGS § 4a-100 are not required to pay the registration fee while that prequalification remains active.

Operating without registration puts the project at risk, not just the contractor

Under § 20-341gg, no person may perform or offer to perform major contractor work on a threshold building in Connecticut without a valid DCP registration. The DCP may deny, suspend, or revoke any registration for malpractice, unethical conduct, knowingly false representations, or violation of DCP regulations. Suspension or revocation triggers mandatory notice to the Commissioner of Administrative Services — effectively disqualifying the contractor from state work. The prohibition runs to offering to perform the work, not just performing it, which means unregistered bidding on threshold projects is itself a violation.