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Oakville · updated August 2026

Foundation Repair Companies in Oakville: the standings

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

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

  1. 1
    Omni Basement Systems
    ★★★★★ 4.6 · 267 reviews · Hamilton · (289) 769-8994
  2. 2
    Aquamaster Basement Waterproofing Mississauga
    ★★★★★ 5 · 130 reviews · Milton · (289) 548-0393
  3. 3
    Aquamaster Basement Waterproofing Oakville
    ★★★★★ 5 · 84 reviews · Burlington · (289) 644-5556
  4. 4
    GJ MacRae Foundation Repair
    ★★★★★ 4.8 · 97 reviews · Milton · (905) 824-2557
  5. 5
    AquaGuard Injection & Waterproofing
    ★★★★★ 4.9 · 73 reviews · Oakville · (905) 842-9100
  6. 6
    Crackmasters Basement Waterproofing Systems
    ★★★★★ 5 · 64 reviews · Milton · (905) 855-3500
  7. 7
    Aquatech Waterproofing Burlington
    ★★★★★ 5 · 52 reviews · Burlington · (647) 977-5991
  8. 8
    Northcon Corp
    ★★★★★ 5 · 45 reviews · Burlington · (647) 888-7552
  9. 9
    RCC Waterproofing Oakville
    ★★★★★ 5 · 43 reviews · Burlington · (905) 592-1822
  10. 10
    Basement Waterproofing Oakville
    ★★★★★ 5 · 41 reviews · Oakville · (365) 387-2636
  11. 11
    Canada Waterproofers Oakville
    ★★★★★ 5 · 38 reviews · Oakville · (905) 270-5410
  12. 12
    Aqua Dry Waterproofing Technologies
    ★★★★★ 5 · 35 reviews · Oakville · (647) 242-5020
  13. 13
    Mississauga Concrete
    ★★★★★ 5 · 13 reviews · Oakville · (647) 931-9362
  14. 14
    Aquatech Basement Waterproofing Oakville Unclaimed
    ★★★★★ 5 · 12 reviews · Oakville · (289) 815-3241
  15. 15
    Foundations First
    ★★★★★ 4.5 · 15 reviews · Brantford · (905) 929-0441
  16. 16
    Drychek Waterproofing
    ★★★★★ 5 · 4 reviews · Oakville · (905) 464-3389
  17. 17
    Ontario Foundation Group
    ★★★★★ 5 · 3 reviews · Burlington · (289) 514-9701
  18. 18
    Waterproofing Experts of Mississauga
    ★★★★★ 5 · 2 reviews · Oakville
How the standings work. Rank = Google rating × review volume, observed for the Oakville 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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