If you own a home or small commercial building in the Baltimore area, Basement Authorities Chesapeake is ready to meet your basement waterproofing and foundation contractor needs. Our service area includes Annapolis, Silver Spring, Towson, Catonsville, Glen Burnie, Columbia, Pasadena, Elkridge, and Middle River. As a locally owned business for more than 35 years, we're committed to our community. That means installing top-notch sump pump systems, emergency exit windows, and other basement and crawlspace fixtures and waterproofing systems. We want our work to stand the test of time, so your home, office, restaurant, shop, or other building can do the same.