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G&J Waterproofing

★★★★½ 4.5 · 103 Google reviews · 829 California Ave

#20 in Foundation & Sinkhole Repair
Rankings updated July 2026 from Google ratings and review volume
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829 California Ave, Avalon, PA 15202, USA

Why G&J Waterproofing ranks here

G&J Waterproofing holds a 4.5 star average across 103 Google reviews, which places it at #20 for foundation & sinkhole repair in Pittsburgh on our rankings. Positions come from verified public ratings and review volume, refreshed monthly. See the full list on the Foundation & Sinkhole Repair rankings page.

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