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BostonTopRated / Foundation & Sinkhole Repair

Keystone Foundation & Waterproofing

★★★★½ 4.8 · 19 Google reviews · 245 First St

#23 in Foundation & Sinkhole Repair
Rankings updated September 2026 from Google ratings and review volume
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Keystone Foundation & Waterproofing Independent · Locally Owned Is this your business? Claim it free
245 First St, Cambridge, MA 02142, USA
Hours
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Call 617-216-1173Visit website
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Why Keystone Foundation & Waterproofing ranks here

Keystone Foundation & Waterproofing holds a 4.8 star average across 19 Google reviews, which places it at #23 for foundation and sinkhole repair companies in Boston on our rankings. Positions come from verified public ratings and review volume. See the full list on the Foundation & Sinkhole Repair rankings page.

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