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State files updated Oct 30, 2026
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Connecticut contractor license

JNL Construction LLC

JNL Construction LLC of Hamden holds Connecticut license MCO.0904877 (MCO Major Contractor). The DCP file dated Oct 29, 2026 lists it as active.1 It expires Jun 30, 2027.

Doing business as JNL Construction.

Active

JNL Construction LLC, Hamden

License
MCO.0904877
Class
MCO Major Contractor
Expires
Jun 30, 2027

DCP file dated Oct 29, 2026

From the DCP file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the DCP file dated Oct 29, 2026. Confirm with the board: DCP license lookup

What bond, insurance and workers' comp are on file?

Bond, liability insurance and workers' comp aren't in the DCP file. Check with the board

What work does this license cover?

Issued Dec 16, 2024. Last renewed Sep 14, 2026.

What other licenses does this business hold?

Which other Hamden businesses hold MCO Major Contractor?

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. Connecticut license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. The DCP file doesn't record workers' comp, so ask for the certificate.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the DCP shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the DCP, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Department of Consumer Protection (DCP).
  4. Check another contractor. Connecticut license lookup

Sources

  1. DCP state licenses and credentials (data.ct.gov, Oct 29, 2026)
  2. Department of Consumer Protection (DCP)