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KEEPING HOMES STABLE AND DRY FOR OVER 20 YEARS

From the very beginning, Complete Basement Systems has delivered quality services at the most competitive prices to homeowners on Long Island. With more than two decades of experience, you can put your trust in our foundation and waterproofing experts to tackle the problems facing your home as quickly and efficiently as possible.

Our Services

Where We Serve And What We Do

Here at Complete Basement Systems, we’re dedicated to providing responsible & reliable waterproofing and foundation services 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.

Awards And Local Involvement

Recognized by the Better Business Bureau with an A+ rating, the team at Complete Basement Systems has also made an impact in the local community. Through charity work and community service, we have sponsored our local Boyscouts of America, Massapequa Soccer Club, and taken part in the Coalition Against Breast Cancer.

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Hear What Our Customers Have To Say

Installation

Bought a new (but very old house) found out the basement was very leaky. Spoke to many companies but these folks were very knowledgeable and presented a plan to phase in the work to determine the source of the leak before committing to emptying my bank account. They proposed a very reasonable plan and the folks doing the work were very respectful and clean. Very happy with the process and the installation. Will have to wait for big rains next year but if it leaks again, I am more than happy to work with them again on more aggressive solutions.

David Singh
December 14, 2021

Courteous and Consultative

This company was courteous and consultative. They didn’t try to oversell me and were patient with recommendations. Very professional and highly recommend them. Dan was great!

George Felice
November 11, 2021

We’re Here to Serve You

Contact us today, and we’ll give you a free, no-obligation quote.

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