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(About Us)

Your Local Basement Waterproofing Experts in Bellevue

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

When it comes to trusted basement waterproofing, Bellevue residents call Three Brothers Waterproofing first. Bellevue is a large city in King County, and its marine / oceanic climate drives the work we do here.

Throughout Beaux Arts Village to Mercer Island, our crews cover Bellevue and the wider western Washington, handling the basement waterproofing problems that come with King County's warm, dry summers and heavy winter rainfall. We understand the local properties and move fast across all 7 ZIP codes.

Every Bellevue job comes with a written workmanship guarantee and a flat-rate quote you approve before we begin - no hidden fees. That's why Bellevue residents recommend Three Brothers Waterproofing.

(Why Choose Us)

Why Bellevue Residents Trust Us

Locally Owned

Serving our western Washington neighbors, not a call center.

Guaranteed Work

Written workmanship guarantee on every Bellevue job.

Transparent Quotes

You approve the flat rate before we start.

Vetted Technicians

Background-checked pros in your Bellevue home.

(Licensed & Certified)

Licensed, Insured & Bellevue-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 Bellevue and King County.

Call (844) 516-0132