Since 1984, Certified Basement Systems Inc. in Bloomington-Normal, Illinois, has been fully committed to providing affordable services and mold solutions. We provide the best services for basement waterproofing, basement finishing, crawl space repair and foundation repair. Finding a responsible and trustworthy contractor is challenging, but you'll find Certified Basement Systems Inc. adhere to simple guidelines of respect, integrity, and responsibility. We do this while maintaining the highest standards of service. Entrust your repair needs to us. Call us now!