A Groundworks CFI measuring an exterior brick wall.

About Us

Foundation Repair, Basement Waterproofing, Crawl Space Repair & and Encapsulation Experts

History

In 2006, Dan Malsch founded Rainy Day Crawl Space & Basement and brought residential and commercial foundation repair solutions to the western Washington area. In 2024, Rainy Day Basement & Crawl Space joined forces with Groundworks, the nation’s leading and fastest growing foundation repair and water management solutions provider and rebranded under the Groundworks name. They will continue to offer industry-leading technology and resources to more customers across Washington. Groundworks provides elite customer service and quality home solutions for all foundation repair, basement waterproofing, and concrete repair needs.

Awards

Services We Provide

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

Crawl Space Repair

Discover how our crawl space repair services protect your property in Northwestern Washington.

Basement Waterproofing

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

Foundation Repair

Discover our foundation repair solutions for homeowners in Northwestern Washington.

Concrete Lifting

Learn why homeowners across Northwest Washington & North Puget Sound trust Rainy Day for their concrete lifting needs.