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New Construction & Trades Companies in New Haven County, Connecticut

327 registered in the last 90 days · updated October 8, 2026

Reach new construction & trades companies in New Haven County

327 new construction & trades companies registered here in the last 90 days. Start a free trial to see them all — names, addresses, and owners — and filter New Haven County by industry in your dashboard.

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Most recent filings

Jzk Property Services LLC

LLC · Meriden · July 10, 2026

Grand Slam Plumbing LLC

LLC · Hamden · July 10, 2026

Kendall Building Group LLC

LLC · Prospect · July 10, 2026

Herrera Remodel & Renovation LLC

LLC · Hamden · July 12, 2026

Bradley C. Mettin Carpentry L.L.C.

LLC · Branford · July 13, 2026

Max Stuco Construction LLC

LLC · Meriden · July 13, 2026

T Collins Electric LLC

LLC · Northford · July 13, 2026