Locations & service areas

Four local branches serving DC, Maryland & Virginia.

Basement waterproofing, crawl space repair and yard drainage from our teams in Rockville, Kensington, Ashburn and Manassas.

Technical support & 24/7 phone line: 1-833-888-2533

Find your local branch

Main Office

Montgomery County · Main office

330 N Stonestreet Ave, Unit S
Rockville, MD 20850

Washington, DC · Prince George’s County · Lower Montgomery County

5014 Nicholson Ln
Kensington, MD 20895

Loudoun County & nearby Northern Virginia

44121 Leesburg Pike, Unit 170
Ashburn, VA 20147

Prince William County & nearby Northern Virginia

10748 Sudley Manor Dr
Manassas, VA 20109

Choose your region, then your city or neighborhood for local service information.

Washington, DC

Our Kensington branch serves all of Washington, DC, including all four quadrants.

Maryland

Our Rockville main office serves Montgomery County. Kensington covers lower Montgomery County and all of Prince George’s County.

Northern Virginia

Ashburn serves Loudoun County and nearby communities. Manassas serves Prince William County and nearby Northern Virginia communities.

Don’t see your area? Call 1-833-888-2533 to check coverage.