Sump Pump Installation in Frederick, MD

NV Waterproofing & Foundation Repair has been serving Greater Washington D.C. with top-notch basement waterproofing and foundation repair since 1986. We offer comprehensive services, including wet basement solutions, foundation repair, crack repair, drainage systems, and new home waterproofing across Virginia, D.C., and Maryland. Our proven commitment to quality is reflected in our A+ BBB rating, multiple Angie's List Super Service Awards, and memberships in leading industry associations. We provide free, no-obligation estimates for projects of any size, ensuring personalized service for each customer. Guided by values like integrity, respect, and accountability, we strive for high-quality craftsmanship and excellent customer service. As part of a large network, we have access to world-class Supportworks products, enabling us to lead the industry with innovative solutions.

At Once & Done Waterproofing Solutions Llc., we take pride in offering top quality workmanship at an affordable price. We do not use commission based sales people and will never use high pressure sales tactics. We also offer a fully transferrable lifetine warranty on all interior basement/ crawl space repairs.