New Haven County contractors & building pros

8,457 businesses. Every listing links to the state's license lookup.

Companies in New Haven

A–Z by name. Listed from Connecticut public records as of 2026-10-21.

1 IN ROOFING AND SIDING LLCWallingford · Home Improvement Contractor
1ST GENERATION HOME REMODELING AND CONSTRUCTIONWallingford · New Home Construction Contractor
2ND STREET CONSTRUCTION LLCOxford · New Home Construction Contractor · Home Improvement Contractor
2XL MASONRY LLCWaterbury · Home Improvement Contractor
3B LAWN CARE LLCWest Haven · Home Improvement Contractor
3D MASONRY LLCMiddlebury · Home Improvement Contractor
3J'S PAINTING LLCProspect · Home Improvement Contractor
3M SITE DEVELOPMENT LLCNorthford · Home Improvement Contractor
4 You llcWoodbridge · Asbestos or Lead Abatement Contractor · Major Contractor · Home Improvement Contractor
5 STAR COMPLETE ASPHALT SERVICES LLCWest Haven · Home Improvement Contractor

Own one of these businesses? Claiming opens in Connecticut soon. Open your listing to hear the day it does.