LI Basement Pro, operated by Selective Remodeling, is Long Island's premier specialist for custom basement finishing and complete moisture protection. Serving Nassau and Suffolk Counties, our experienced team transforms raw, unused concrete areas into high-end finished basements, family rooms, offices, and legal bedrooms with egress windows. We deliver comprehensive interior drainage systems, battery backup sump pumps, exterior foundation waterproofing membranes, and fast emergency water damage response. Fully licensed, insured, BSI Certified, and NARI members committed to excellence.