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New Construction & Trades Companies in New Haven County, Connecticut

368 registered in the last 90 days · updated August 11, 2026

Reach new construction & trades companies in New Haven County

368 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

M. P. Z Painting Services LLC

LLC · Meriden · May 13, 2026

Buildupinvestmentgroup LLC

LLC · New Haven · May 13, 2026

Truenorth Properties LLC

LLC · East Haven · May 13, 2026

New Haven Architectural Metal & Glass LLC

LLC · Wallingford · May 13, 2026

Gs Services LLC

LLC · Naugatuck · May 13, 2026

Jy General Construction LLC

LLC · Waterbury · May 14, 2026

Eng. Home Improvement LLC

LLC · Waterbury · May 14, 2026