Why choose us

LOGO Bethpage Best of LI Winner 2023

We’re The Homeowner’s Choice

With over 20 years of satisfied customers, Complete Basement Systems has delivered quality services at the most competitive prices to homeowners on Long Island.

Our Commitment to Quality

Our team is licensed, insured, and certified and will stop at nothing to ensure your basement or foundation issues are resolved.

Bbb Torch

You Can Put Your Faith In Us

Complete Basement Systems is recognized as an honest and trustworthy company by the Better Business Bureau with an A+ rating.

We're Here to Serve You

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

Full Name(Required)
Service(Required)