Professional Crawl Space and Basement Expert in Massapequa, NY

A family-owned and operated business, we have been serving the public in Long Island since 1972. In 1992 ownership was transferred from father to son and 8 years later Complete Basement Systems was opened to better serve the residential market.

Where we serve and what we do

Complete Basement Systems is dedicated to providing responsible & reliable waterproofing for homeowners in Huntington Station, Bay Shore, Hempstead, Valley Stream, Massapequa, Brentwood, Lindenhurst, Freeport, Levittown, Westbury, and the surrounding areas in New York. We offer a wide range of services including basement waterproofing, crawl space encapsulation, and spray foam insulation installation.

As a part of the Basement Systems Inc. network of over 300 hundred dealers throughout the United States, Canada, the United Kingdom and Ireland, Complete Basement Systems uses only the best products to perform each of these services.