At E&M Basement Waterproofing we take pride in finding, diagnosing and correcting your water problem. Making basements dry is our only business since 1979. We are family owned and operated therefore giving you the service you deserve. We provide Basement Waterproofing, Exterior Waterproofing and Lot Drainage to all of Long Island & the 5 Boroughs: Nassau, Suffolk, Queens, Brooklyn & Manhattan.