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Oshawa · updated August 2026

Foundation Repair Companies in Oshawa: the standings

19 foundation repair companies serving Oshawa, ranked by Google rating and review count. The bar shows each one's review volume against the leader. Nobody can pay to move up.

Featured slot — open

One labelled spot above these standings, reserved for a claimed Oshawa business. It never changes the ranking below. Claim your listing to take it.

  1. 1
    Aquaphobia Foundation Repair & Crack Injections
    ★★★★★ 5 · 120 reviews · Ajax · (289) 212-9326
  2. 2
    Elite Foundations
    ★★★★★ 5 · 119 reviews · Ajax · (905) 431-4674
  3. 3
    Durham Backhoe Basement Waterproofing
    ★★★★★ 5 · 81 reviews · Oshawa · (905) 926-2121
  4. 4
    Aquatech Basement Waterproofing Oshawa
    ★★★★★ 5 · 74 reviews · Oshawa · (647) 559-3367
  5. 5
    Samterra Concrete Pros
    ★★★★★ 4.9 · 56 reviews · Oshawa · (905) 725-4333
  6. 6
    ACCL Basement Wateproofing
    ★★★★★ 5 · 33 reviews · Oshawa · (416) 619-5355
  7. 7
    Building Problems Solver Inc.
    ★★★★★ 5 · 27 reviews · Oshawa · (289) 600-3844
  8. 8
    North American Concrete
    ★★★★★ 4.5 · 39 reviews · Oshawa · (800) 850-6681
  9. 9
    Dynamic Brick and Stone Ltd
    ★★★★★ 5 · 20 reviews · Oshawa · (647) 787-5721
  10. 10
    RBZ Contracting
    ★★★★★ 4.8 · 19 reviews · Whitby · (905) 244-5565
  11. 11
    ACCL Waterproofing
    ★★★★★ 4.6 · 20 reviews · Oshawa · (905) 448-5909
  12. 12
    Duggans Waterproofing Inc
    ★★★★★ 4.6 · 19 reviews · Oshawa · (416) 817-7046
  13. 13
    Dryshield Basement Waterproofing Oshawa
    ★★★★★ 5 · 11 reviews · Oshawa · (289) 312-6063
  14. 14
    Ashpark Basement Waterproofing Contractors
    ★★★★★ 5 · 10 reviews · Oshawa · (800) 334-6290
  15. 15
    KC Masonry
    ★★★★★ 5 · 5 reviews · Oshawa · (613) 885-9724
  16. 16
    2 Dads Waterproofing Inc.
    ★★★★★ 5 · 4 reviews · Oshawa · (416) 990-4435
  17. 17
    Porch Perfect Coatings
    ★★★★★ 5 · 3 reviews · Oshawa · (289) 216-6899
  18. 18
    Durham Basement Technologies Inc.
    ★★★★★ 5 · 2 reviews · Oshawa · (905) 665-1585
  19. 19
    Whitby Foundation Repair
    ★★★★★ 5 · 1 reviews · Whitby · (289) 302-9880
How the standings work. Rank = Google rating × review volume, observed for the Oshawa area in August 2026. No submissions, no fees, no exceptions — a business moves up by earning reviews, not by paying us. Refreshed monthly.

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