Protect Your Home from Water — and What You Can’t See
Water problems come in all shapes and sizes… and sometimes, in not-so-obvious ways. As a homeowner, you want to rest easy knowing your home and your investment are protected from water damage. That’s why Chumley does what we do best: keeping your safety and peace of mind at the center of every project.
When we’re on-site, we’re not just fixing leaks, we’re building protection that lasts. Because in the end, people matter. That’s the Chumley Guarantee.
GET YOUR FREE* INSPECTION!
**Free evaluation available with a signed contract with Chumley Structural & Foundation Repair. Terms and conditions apply. † Limit 24MB combined file size, due to email restrictions. If you need to send larger documents, please contact one of our agents directly via info@chumleyrepair.com.
Backed By Quality

Request a Free* Inspection, Today!
**Free evaluation available with a signed contract with Chumley Structural & Foundation Repair. Terms and conditions apply.
Providing top-tier waterproofing, drainage solutions, vapor barriers, and crawl space protection for homes across Western Washington. Let us help you maintain a drier, stronger, and more resilient home.

Contact Us
253-922-4057
Servicing King, Pierce, Thurston, and Lewis Counties
Our Waterproofing Services
Our Waterproofing Services
Our Waterproofing Mission
At Chumley Structural & Foundation Repair, our mission is simple: to keep homes across Western Washington dry, safe, and protected from water damage.
We specialize in waterproofing: sealing foundations, installing vapor barriers, and improving drainage to prevent moisture intrusion that can lead to long-term structural problems. We also address crawl space ventilation, perimeter water management, and other conditions that contribute to hidden leaks and water-related deterioration.
From sump pump installation and drainage solutions to vapor barriers and moisture prevention, our work protects your home’s structure and longevity. Every service is delivered with care, professionalism, and lasting results. That’s The Chumley Commitment.
Backed by The Chumley Guarantee, we provide clear communication, strong warranties, and skilled workmanship. Whether we’re installing a drainage system, sealing a foundation, or preventing future water intrusion, we do the job right the first time.
Our top reviews, referrals, and ratings reflect our dedication. As a trusted local expert in waterproofing and moisture protection, we help you safeguard what matters most: your home.
Recommended Waterproofing & Moisture-Related Resources in Washington State
Washington State Building Codes & Environmental Guidelines
Washington State Building Code Council (SBCC)
www.sbcc.wa.gov
Oversees statewide building codes, including requirements for foundation waterproofing, moisture management, and building safety.
Washington Administrative Code (WAC) 51-50 & 51-51
Specifies standards for foundation drainage, basement and crawl space waterproofing, and residential moisture prevention measures.
Local Permitting & Environmental Agencies
Seattle Department of Construction & Inspections (SDCI)
www.seattle.gov/sdci
Provides permitting guidance, inspections, and requirements for waterproofing, drainage, and moisture control in Seattle homes.
King County Department of Local Services – Permitting & Environmental Review
www.kingcounty.gov/depts/permitting-environmental-review.aspx
Offers permitting and guidance for water management, drainage systems, and moisture protection in residential projects across King County.
Washington State Department of Ecology – Water & Runoff Management
https://ecology.wa.gov
Provides resources for managing stormwater, runoff, and environmental conditions that affect water intrusion and home waterproofing.











