Cornwell Building Company
General contractor in Manassas, VA 20112
About this company
Cornwell Building Company is listed as a general contractor at 12318 Purcell Rd in Manassas, Virginia, in Prince William County. It is one of 31 general contractors in ZIP 20112.
Other construction companies nearby
Surface Corporation12704 Kahns Rd, Manassas
0.8 mi(703) 713-2626
SGS Builders11988 Falling Creek Dr, Manassas
1.0 mi(703) 533-0301
F&R Exteriors, LLC12020 Dumfries Rd, Manassas
1.1 mi(866) 373-9837
Trimbuild Construction, Inc.6624 Anne Marie Ln, Manassas
1.3 mi(703) 344-1687
McCoy Construction LLC6480 Running Brook Rd, Manassas
1.4 mi(703) 791-0778
Housing market around ZIP 20112
Figures describe the local area, not this company.
Typical home value$734,000+2.2% past year · +67% in 10 years
12-month value outlook+0.5%Roughly flat
Days to sale agreement19Washington metro · 17 a year ago
New homes permitted, 20251,340Prince William County
Listings with a price cut29.4%Washington metro
Sale price vs list99.7%Washington metro
New construction sales489Washington metro, Aug · −24% 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: Prince William County permitted 1,340 new homes in 2025, including 614 apartment units. 40% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.