Connecticut (CT)

Not yet re-checked against the Connecticut Dept of Consumer Protection; verify before relying on it.

Connecticut subcontractor insurance & compliance requirements

If you're a general contractor hiring subcontractors in Connecticut, here are the certificates and documents you should collect and keep current, and how TradeGuard tracks them automatically.

State contractor license
Required
OSHA
State OSHA plan
Contractor bond
Required

Documents to collect from subcontractors in Connecticut

The core compliance documents a GC should require and keep current for each sub.

Contractor LicenseRequired

State-issued contractor license or registration.

General Liability COIRequired

Certificate of Insurance for General Liability coverage.

Workers Compensation COIRequired

Certificate showing workers' comp for the sub's employees. Who must carry it depends on the state and the number of employees.

W-9 / EIN FormRequired

Used to report what you pay the sub on Form 1099-NEC. For payments made in 2026 or later the IRS reporting threshold is $2,000 (it was $600).

OSHA 10 CertificationRecommended

Some owners and contracts require it, and some states require it on public projects.

Performance BondConditional

Public owners require one on larger public contracts; the threshold depends on the owner and the state.

Payment BondConditional

Public owners usually require it alongside the performance bond.

Bid BondConditional

Often required with a bid on public work; it backs the bidder's promise to sign the contract at the bid price.

Surety Bond / License BondConditional

The bond the state requires for a contractor's license or registration; ask the sub for a copy.

Licensing

New Home Construction and Home Improvement require registration with the CT Dept of Consumer Protection. Commercial GC work has separate licensing.

OSHA

Connecticut operates an approved state OSHA plan. CT has a state OSHA plan for public sector employees only; private sector covered by federal OSHA

Bonding

$20,000 surety bond for home improvement contractor registration

Agencies
  • DCP: Connecticut Dept of Consumer Protection
  • CTDOL: Connecticut Dept of Labor

Summary for Connecticut

Public sector employees covered by state OSHA plan; private sector under federal OSHA.

Track all of this automatically in Connecticut

TradeGuard asks each sub for these documents through an upload link and shows what's missing for Connecticut, with alerts before anything expires.

No credit card required · Cancel anytime · See how COI tracking works

Connecticut compliance FAQ

Do subcontractors need a contractor license in Connecticut?+

New Home Construction and Home Improvement require registration with the CT Dept of Consumer Protection. Commercial GC work has separate licensing.

Does Connecticut follow federal OSHA or a state OSHA plan?+

Connecticut runs its own OSHA-approved state plan. CT has a state OSHA plan for public sector employees only; private sector covered by federal OSHA

Is a surety bond required for contractors in Connecticut?+

Yes. $20,000 surety bond for home improvement contractor registration

This page is general information, not legal advice. Requirements change; confirm current rules with the relevant Connecticut agencies before relying on them.

Other states