General contractors in Cos Cob, CT 06807
11 general contractors, with local market data for this ZIP.
Area profitability, construction72 / 100Strong market, crowded field
Typical home value$1,856,000+15.4% in the past year
New homes permitted, 20252,749Western Connecticut County
Homeowners69.8%2,783 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Dooney construction llcConstruction company · 105 River Rd, Cos Cob(203) 869-0696 · Dooneywoodworks.com
Greenwich ConstructionConstruction company · 209 River Road Ext, Greenwich(203) 698-9428 · greenwichconstruction.com
Greenwich Modular LLCHome developer · 78 Valley Rd, Cos Cob(203) 622-7146 · greenwichmodular.com
Greenwich Power SystemsGeneral contractor · 209 River Road Ext, Cos Cob(203) 900-1122 · greenwichpowersystems.com
Pomara BuildersConstruction company · 133 E Putnam Ave, Cos Cob(203) 742-1500 · pomarabuilders.com
Twelve Development LLCConstruction company · 273 Valley Rd, Greenwich(203) 625-2675 · 12development.com
Wernert Construction ManagementConstruction company · 76 Valley Rd, Cos Cob(203) 869-1110 · wernert.com · 1 driver, 1 truck
Dooney Construction LLCConstruction company · Cos Cob(203) 223-8377 · 1 driver, 1 truck
Ece Construction Group LLCConstruction company · 22 Windsor Ln, Cos Cob(203) 223-3412
FJC Designs and ConstructionGeneral contractor · 55 Bible St, Greenwich(203) 629-3467
Nordic Custom Builders IncConstruction company · Cos Cob(203) 629-0430 · 1 driver, 1 truck
Construction in ZIP 06807 at a glance
Local building angle: Western Connecticut County permitted 2,749 new homes in 2025, including 2,283 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.