★★★★★ 5 · 18 Google reviews · 20722 12th Ave W
Basement Expert Waterproofing of Seattle holds a 5 star average across 18 Google reviews, which places it at #3 for foundation & sinkhole repair in Sammamish on our rankings. Positions come from verified public ratings and review volume, refreshed monthly. See the full list on the Foundation & Sinkhole Repair rankings page.
Founding listings are free. We verify every business before it appears, so early businesses get the spotlight - your reviews, your services, and a direct line to customers searching in Sammamish right now.
Claim your free listingPrefer to talk? Call or text (813) 454-0813.