G&J Waterproofing

4.5(110 reviews on Google)

Based in Avalon, PA · listed on the McKees Rocks page

Call (412) 415-3610 Visit website

About G&J Waterproofing

G&J Waterproofing serves Avalon and the wider Pittsburgh area with basement waterproofing and foundation repair. The family-owned company works out of New Kensington and has repaired foundations since 2010. It also has locations in Cleveland, Akron, Youngstown and Erie. Interior waterproofing can include French drains, sump pump installation or replacement and wall vapor barriers. Structural work covers bowing walls, carbon fiber straps, steel beams, foundation rebuilding and foundation cracks, and it also handles crawl spaces and retaining walls. Free inspections and free estimates are offered, along with financing, and it gives a warranty on its work. The company received the Angi Super Service Award in 2025. Rated 4.5 from 110 Google reviews, 96 of them five stars and 13 one star.

What reviewers mention: basement work (44), basement waterproofing (14), polite crew (9), basement issues (5), french drain installation (4), no pressure sales (3), foundation repair (3), water leak repair (2), basement finishing (2), no upsell (2)

Where G&J Waterproofing works

Based in Avalon, Pennsylvania. Its website also names Pittsburgh, Wall, New Kensington, Lower Burrell, Leechburg, Youngstown. Call to confirm they cover your address.

Services and details

  • Foundation or waterproofing work

    Yes

  • Foundation repair

    Yes

  • Basement waterproofing

    Yes

  • Bowing wall repair

    Yes

  • Crack repair

    Yes

  • Crawl space repair

    Yes

  • Sump pumps

    Yes

  • Drain tile and drainage

    Yes

  • Free inspection or estimate

    Yes

  • Financing

    Yes

  • Warranty

    Yes

No information yet on piers for settling, concrete lifting, egress windows, states a license. The website did not say; call and ask.

Contact

Details last checked against the company's website and Google listing on 2026-10-09. Report a correction or request removal. Back to foundation repair companies in McKees Rocks.