What services does G&J Waterproofing offer?

G&J Waterproofing offers a range of services, including interior waterproofing, exterior waterproofing, basement waterproofing, foundation repair, bowing walls, moisture barriers, retaining walls, crawl spaces, carbon fiber straps, steel beams, and foundation rebuilding.

Where are G&J Waterproofing's locations?

G&J Waterproofing has locations in Pittsburgh, PA, Cleveland, OH, Erie, PA, York, PA, and Lower Burrell, PA.

What kind of warranty does G&J Waterproofing offer?

G&J Waterproofing offers the best warranty in the industry for their services.

What do customers say about G&J Waterproofing?

Customers have had a great experience with G&J Waterproofing, praising their professionalism, punctuality, and the quality of their work. One customer said, "G&J Waterproofing was one of the best contractors and experience I had so far."

How can I get a free estimate from G&J Waterproofing?

You can contact G&J Waterproofing to request a free estimate for their waterproofing and foundation repair services.

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G&J Waterproofing

$2.4M revenue • 40 employees • 829 California Ave, Avalon, PA, 15202, United States

Last Updated Jun 2, 2026

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Company Overview

Company Name

G&J Waterproofing

Address

829 California Ave, Avalon, PA, 15202, United States

Website

gjwaterproofing.net

Phone

(412) 415-3610

Approx. Annual Revenue

$2.4M

Employees

Established

2015

Google Reviews

4.5 (112 reviews)

Google Business Category

Waterproofing service

Locations

About G&J Waterproofing

G&J Waterproofing is a company based in Avalon, Pennsylvania, United States that offers a range of foundation and basement waterproofing services in the Pittsburgh area. The company provides services such as interior and exterior waterproofing, foundation repair, and moisture barrier installation, among others.

Business Profile

Read from the G&J Waterproofing website on Oct 12, 2026. Hover an item to see the exact wording it came from.

How G&J Waterproofing works

Free estimatesⓘ

About the website

Recent changes

What changed on the G&J Waterproofing website and Google listing, as detected by Coldlytics on each visit.

Oct 30, 2026 · Avalon, PA
Google reviews went from 111 to 112
Oct 15, 2026 · New Kensington, PA
Google reviews went from 26 to 27

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