Cornerstone Construction Group
Construction company in Round Hill, VA 20141
About this company
Cornerstone Construction Group is listed as a construction company at 17133 Magic Mountain Dr in Round Hill, Virginia, in Loudoun County. It is one of 8 general contractors in ZIP 20141.
Other construction companies nearby
European Expert Painting35735 Parklawn Ct, Round Hill
0.2 mi(540) 338-0775
Horizon Contracting llc2 Main St, Round Hill
0.9 mi(703) 928-4531
AA Smith Construction201 N 33rd St, Purcellville
2.1 mi(703) 431-4292
The Bluffs at Sleeter Lake West Shore Village35908 Platinum Dr, Round Hill
2.2 mi(540) 441-1630
Mid Atlantic Mechanical417 Browning Ct, Purcellville
2.5 mi(540) 822-4644
Housing market around ZIP 20141
Figures describe the local area, not this company.
Typical home value$857,000+3.2% past year · +78% in 10 years
12-month value outlook+0.4%Roughly flat
Days to sale agreement19Washington metro · 17 a year ago
New homes permitted, 20251,561Loudoun 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: Loudoun County permitted 1,561 new homes in 2025, including 920 apartment units. 54% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.