General contracting in Hamden

Compare 209 active general contractors with a registered address in Hamden (New Haven County, Connecticut). Records are sourced directly from the Connecticut Department of Consumer Protection (CT DCP) under Connecticut General Statutes Title 20 (Professional and Occupational Licensing: P-1/P-2 Plumbing, E-1/E-2 Electrical, S-1/S-2 Heating & Cooling, and HIC Home Improvement Contractor Registration); confirm municipal permit requirements with Hamden before starting work. A credential from another jurisdiction does not establish authorization to work here.

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Local guidance checked October 29, 2026 · CT DCP Official License Verification. Confirm the requirements for your project with the city.

209 general contracting records · Hamden

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Public Directory Quality: Public source records in Hamden · Zero sponsored order · Never sold as a lead · How our data works →

General contracting directory

209 matching records · 25 on this page · Contactable records first, then alphabetical within groups. Coverage is the matched city/category scope.

Hours, insurance, reviews and service coverage are not established by a license-file entry.

Show registered-address map (25 records on this page)2 approximate areas

Shaded areas mark approximate postal or city locations, not premises or service areas. Circle sizes are illustrative, not postal boundaries. Some records share the same area. Private addresses are excluded.

24Hamden1ZIP 06518Approximate postal/city centroid schematic (2 areas)

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Jea Contractors LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 22 Flower Dr

HIC.0701586 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jfdesign And Associates LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 30 Oak Ridge Dr

NHC.0018143 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jg General Contruction LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 1 Circular Avenue L7

HIC.0663408 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jkb Precision Build

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2765 Whitney Ave Apt A

HIC.0704531 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jls Fencing LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 29 Tabor Rd

HIC.0702934 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jls Paving LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 29 Tabor Rd

HIC.0630654 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jmb Construction LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 101 Leatherman Trl

HIC.0579853 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Jnl Construction LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 40 Booth Ter

MCO.0904877 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Js Restoration Services LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 121 CANNON ST, Hamden, CT 06518

HIC.0632604 · Source dated 2026-10-18 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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K & J Landscaping LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2 Raccio Park Road

HIC.0674379 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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K&j Crane Service LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2 Raccio Park Rd

HIC.0661488 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Kace Enterprises LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 5 Industrial Cir

HIC.0672330 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Kingwood Construction Inc

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2319 Whitney Ave Ste 1a

MCO.0905192 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Layam Home Improvement LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 6 Stratton Ct

HIC.0668453 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Lior Excavating LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2341 Whitney Avenue

NHC.0014389 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

+1 more registration for this business
No public phone or website on record.
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Listro Home Improvement LLC

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 14 Dante Pl

HIC.0641116 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

No public phone or website on record.
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Litchfield Builders Inc

Official license file From the official license file General contracting · Connecticut Department of Consumer Protection

Registered address: 2199 State St

HIC.0558048 · Source dated 2026-10-25 · Service area not confirmed. · Verify on Connecticut portal →

+1 more registration for this business
No public phone or website on record.
Prepare brief

Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
Prepare a project brief

Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.

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New Haven County, Connecticut Trade Directory

Compare general contracting across New Haven County or view the Connecticut State Hub (CT DCP).