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(About Us)

Your Local Basement Waterproofing Experts in Port Jefferson

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

When it comes to dependable basement waterproofing, Port Jefferson homeowners trust Three Brothers Waterproofing first. Port Jefferson is a small city in Suffolk County, and its humid continental climate shapes the work we do here.

Across Port Jefferson Station to Belle Terre, our crews cover Port Jefferson and the wider southeast New York, handling the basement waterproofing problems that are common to Suffolk County's warm, humid summers and year-round precipitation. We know the local properties and move fast across all 1 ZIP codes.

Each Port Jefferson job comes with a written workmanship guarantee and a flat-rate quote you sign off on before we begin - no guesswork. That's how Port Jefferson homeowners recommend Three Brothers Waterproofing.

(Why Choose Us)

Why Port Jefferson Residents Trust Us

Locally Owned

Serving our southeast New York neighbors, not a call center.

Guaranteed Work

Written workmanship guarantee on every Port Jefferson job.

Transparent Quotes

You approve the flat rate before we start.

Vetted Technicians

Background-checked pros in your Port Jefferson home.

(Licensed & Certified)

Licensed, Insured & Port Jefferson-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 Port Jefferson and Suffolk County.

Call (844) 516-0132