Basement Waterproofing locations near Old Westbury, NY

Showing 1–10 of 10 results

Old Westbury, NY has 10 basement waterproofing listings across 6 ZIP codes. Details on this page were last refreshed Aug 2026.

Complete Basement Systems Of NY

Waterproofing Contractors

📍 2487 N Jerusalem Rd, East Meadow, NY, 11554

📞 516-740-2702

Complete Basement Systems of NY specializes in basement waterproofing, crawl space repair, and spray foam insulation. Serving all of Long Island. FREE estimates.

Complete Basement Systems

Basement Contractors

📍 2487 N Jerusalem Ave, East Meadow, NY, 11554

📞 516-409-8822

🌐 www.completebasementsystems.com

Complete Basement Systems of NY is the leader of basement waterproofing, crawl space repair, and spray foam insulation in Huntington Station, Bay Shore, Hempstead, New York. FREE estimates!

New York City Basement Authorities

Basement Contractors

📍 166 Centerlane, Levittown, NY, 11756

📞 516-390-7868

🌐 nyc.basementauthorities.com

New York City Basement Authorities specializes in Basement Waterproofing, Crawlspace Encapsulation, Foundation Repair, and General Contracting. Located in Levittown, NY, NYC Basement Authorities has over 25 years experience in serving all of Suffolk, Queens, New York, Nassau, and Bronx counties. Have a leak? Foundation Cracks? Basement Flooding? Call us for FREE estimates and waterproof your basement today!

Updated Aug 2026