About Us

Clarke Basement Authority, a Groundworks company, specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and crawl space repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the Toronto area. With fully trained technicians, industry-leading products, and nationally backed warranties, Clarke Basement Authority is here to restore your foundation. 

History

In 2003, Don Clarke founded Clarke Basement Authority and brought foundation repair solutions to the Toronto area. In 2024, Clarke Basement Authority partnered with Groundworks, the nation’s leading and fastest growing foundation repair and water management solutions provider, to offer industry-leading technology and resources to more customers across Ontario. Clarke Basement Authority continues to provide elite customer service and quality home solutions for all foundation repair, basement waterproofing, and crawlspace repair needs.

Awards

Services We Provide

Basement Waterproofing

Discover our basement waterproofing services, including sump pumps, interior drainage, and vapor barriers.

Crawl Space Repair

Clarke Basement Authority’s crawl space repair solutions for GTA homeowners include piers and crawl space jacks.

Foundation Repair

Learn about our foundation repair solutions, including wall anchors and push piers, for homeowners in the GTA.