Waterproofing Basements in Baltimore, MD Welcome to Budget Basement Waterproofing in Baltimore, MD. Homeowners throughout the state trust us with their homes: their largest investment. That’s because we bring 55 years of experience to waterproofing and water damage situations as a team of licensed and insured professionals who know no equal. If you have a flooded basement (or want to avoid having to deal with one), call Budget Basement Waterproofing today to inquire about our waterproofing basement services. We are proud recipients of the Angie’s List Super Service Award for six consecutive years!