A comprehensive list of swimming pool builders and suppliers in O'Fallon, MO offering pool installation, design, construction and maintenance services. Read unbiased reviews of local contractors. 
Welcome to Bi-State Pool & Spa, the leading pool builder and renovation company in the St. Louis and surrounding areas. Since 1994 we have been committed to providing clients with outstanding customer service and quality products, leaving you with a backyard you and your family can enjoy for years to come.
Matt Westerheide — Bi-state is top notch when it comes to the end to end process of pool installation. Everyone in the company that I've met