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(About Us)

Your Local Basement Waterproofing Experts in Normandy Park

4.7★
Average rating
2,150+
Reviews
14,546+
Jobs done
97%
Satisfaction

Looking for dependable basement waterproofing, Normandy Park residents call Three Brothers Waterproofing first. Normandy Park is a small city in King County, and its marine / oceanic climate defines the work we do here.

Throughout SeaTac to Burien, our crews cover Normandy Park and the wider western Washington, tackling the basement waterproofing problems that are common to King County's warm, dry summers and heavy winter rainfall. We know the local homes and route efficiently across all 1 ZIP codes.

Each Normandy Park job comes with a solid workmanship guarantee and a flat-rate quote you sign off on before we begin - no surprises. That's how Normandy Park homeowners trust Three Brothers Waterproofing.

(Why Choose Us)

Why Normandy Park Residents Trust Us

Locally Owned

Serving our western Washington neighbors, not a call center.

Guaranteed Work

Written workmanship guarantee on every Normandy Park job.

Transparent Quotes

You approve the flat rate before we start.

Vetted Technicians

Background-checked pros in your Normandy Park home.

(Licensed & Certified)

Licensed, Insured & Normandy Park-Approved

PA License: #PA116134  ·  NJ License: #13VH09196900  ·  DE License: #16-92176-24-000

Need Basement Waterproofing Today?

Call now for fast, licensed basement waterproofing anywhere in Normandy Park and King County.

Call (844) 516-0132