DeMarr Logo

Areas We Serve

Northern Virginia

Based in Falls Church, VA, we serve all the major counties in Northern Virginia. From Rough Grading Plans, Infill Grading Plans, Stormwater Management Plans, Major Site Plans, to Parking Tabulations and more, we provide the full range of Civil Engineering services to clients of all types in the following counties:

Washington, DC

The Nation’s Capital. Our services range from utility upgrades for rowhome renovations to new single-family home grading/SWM plans, public space plans, commercial site development plans, and more…