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Toronto · updated August 2026

Foundation Repair Companies in Toronto: the standings

20 foundation repair companies serving Toronto, 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 Toronto business. It never changes the ranking below. Claim your listing to take it.

  1. 1
    Groundworks Foundation Repair Toronto
    ★★★★★ 4.9 · 1,728 reviews · Markham · (365) 363-9900
  2. 2
    Aquatech Basement Waterproofing Toronto
    ★★★★★ 5 · 863 reviews · Etobicoke · (416) 300-2191
  3. 3
    RCC Waterproofing Toronto
    ★★★★★ 4.8 · 791 reviews · North York · (416) 747-1920
  4. 4
    Royal Work Basement Waterproofing Toronto
    ★★★★★ 5 · 463 reviews · Toronto · (416) 837-1077
  5. 5
    Direct Basement Waterproofing
    ★★★★★ 5 · 311 reviews · Brampton · (647) 492-5893
  6. 6
    Dryshield Basement Waterproofing Toronto
    ★★★★★ 4.9 · 292 reviews · North York · (800) 277-5411
  7. 7
    Aquamaster Basement Waterproofing Toronto
    ★★★★★ 4.9 · 282 reviews · Toronto · (647) 846-6367
  8. 8
    Direct Basement Waterproofing Toronto
    ★★★★★ 5 · 134 reviews · North York · (647) 693-1096
  9. 9
    Stay Dry Waterproofing
    ★★★★★ 4.9 · 111 reviews · North York · (416) 782-9379
  10. 10
    Nusite Contractors Ltd.
    ★★★★★ 4.5 · 130 reviews · North York · (416) 622-7000
  11. 11
    Drobot Construction - Underpinning, Waterproofing, Laneway & Garden Suite Foundations
    ★★★★★ 5 · 70 reviews · Etobicoke · (647) 721-6065
  12. 12
    Waterproofing PD - Etobicoke, Toronto
    ★★★★★ 5 · 54 reviews · Etobicoke · (416) 333-8222
  13. 13
    TTA Service Underpinning ,Foundation, Waterproofing
    ★★★★★ 4.9 · 54 reviews · Etobicoke · (647) 621-5283
  14. 14
    FoundationGuard Inc.
    ★★★★★ 5 · 35 reviews · North York · (647) 254-0760
  15. 15
    Greater Toronto Masonry And Waterproofing Repairs
    ★★★★★ 5 · 26 reviews · North York · (437) 383-7336
  16. 16
    Toronto Waterproofing And Foundation Repairs
    ★★★★★ 5 · 22 reviews · North York · (437) 937-8874
  17. 17
    IcyReno Waterproofing & Underpinning Leslieville
    ★★★★★ 5 · 20 reviews · North York · (647) 454-6600
  18. 18
    Basement Foundation Repair
    ★★★★★ 4.8 · 18 reviews · North York · (416) 288-0547
  19. 19
    Toronto Foundation Repair
    ★★★★★ 5 · 8 reviews · Markham · (647) 405-6705
  20. 20
    Groundworks Foundation Repair Downtown Toronto
    ★★★★★ 5 · 2 reviews · Scarborough · (647) 370-7447
How the standings work. Rank = Google rating × review volume, observed for the Toronto 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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