Twelve Development LLC
Construction company in Greenwich, CT 06807
About this company
Twelve Development LLC is listed as a construction company at 273 Valley Rd in Greenwich, Connecticut, in Western Connecticut County. It is one of 11 general contractors in ZIP 06807.
Other construction companies nearby
Ece Construction Group LLC22 Windsor Ln, Cos Cob
0.5 mi(203) 223-3412
Ralph Longo Construction Corporation226 Palmer Hill Rd, Greenwich
0.7 mi(203) 637-3531
Clarke Builders60 Hillcrest Park Rd, Old Greenwich
0.7 mi(203) 637-4135
Greenwich Modular LLC78 Valley Rd, Cos Cob
1.0 mi(203) 622-7146
Claim Contractor22 Park Pl, Greenwich
1.0 mi
Housing market around ZIP 06807
Figures describe the local area, not this company.
Typical home value$1,856,000+15.4% past year · +71% in 10 years
12-month value outlook+2.3%
Days to sale agreement16Bridgeport metro · 15 a year ago
New homes permitted, 20252,749Western Connecticut County
Listings with a price cut20.1%Bridgeport metro
Sale price vs list103.9%Bridgeport metro
New construction sales18Bridgeport metro, Aug · −18% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
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.