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WaterproofingIndex

Best Basement Waterproofing & Drainage in Toronto

Last updated: By Below-Grade Records Desk

134 below-grade contractors are listed within 22 km of Toronto, compiled August 2026.

average Google rating 4.9★ · deepest category: Basement Waterproofing (68 listed) · ordered by the WaterproofingIndex Score, not paid placement

Coverage

Which basement waterproofing contractors are listed for Toronto?

See all 68

68 basement waterproofing contractors are listed for Toronto, averaging 4.89★ over 6,009 Google reviews. Dryshield Basement Waterproofing Toronto holds the top position at 4.9★ from 286 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

Coverage

Which sump pump and backwater valve installers are listed for Toronto?

See all 56

56 sump pump and backwater valve installers are listed for Toronto, averaging 4.91★ over 15,500 Google reviews. Everest Drain & Plumbing Toronto holds the top position at 4.8★ from 309 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

Coverage

Which underpinning contractors are listed for Toronto?

See all 27

27 underpinning contractors are listed for Toronto, averaging 4.9★ over 1,180 Google reviews. Above & Beyond Construction holds the top position at 5★ from 56 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

Coverage

Which foundation repair contractors are listed for Toronto?

See all 26

26 foundation repair contractors are listed for Toronto, averaging 4.97★ over 1,542 Google reviews. Dryshield Basement Waterproofing Toronto holds the top position at 4.9★ from 286 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

Coverage

Which weeping tile and drainage contractors are listed for Toronto?

See all 11

11 weeping tile and drainage contractors are listed for Toronto, averaging 4.84★ over 1,131 Google reviews. Aquamaster Basement Waterproofing Etobicoke holds the top position at 5★ from 142 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

Coverage

Which basement walkout contractors are listed for Toronto?

See all 4

4 basement walkout contractors are listed for Toronto, averaging 4.9★ over 181 Google reviews. SB Excavation holds the top position at 5★ from 104 reviews. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is, never payment.

  • SB Excavation1

    SB Excavation

    73/100 WaterproofingIndex Score

    1.4 km from Mimico centre

    Basement Waterproofing
    • Says it is insured
    • Says it carries WSIB coverage

    Its own website describes below-grade water work

    Request a quote
  • JKRC Group Ltd2

    JKRC Group Ltd

    69/100 WaterproofingIndex Score

    0.9 km from Islington-City Centre West centre

    Foundation Repair
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  • Concrete Master4

    Concrete Master

    53/100 WaterproofingIndex Score

    0.6 km from Mimico centre

    Basement Walkouts & Entrances
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote

Coverage

Which companies are filed under Toronto?

All 134, in WaterproofingIndex Score order. The service lists above show at most four companies each. The place beside each name is the neighbourhood its address is measured from.

  1. 1.Dryshield Basement Waterproofing Toronto · Willowdale
  2. 2.Everest Drain & Plumbing Toronto · Leaside
  3. 3.Everest Drain & Plumbing: Scarborough's Local Plumber · Scarborough Town Centre
  4. 4.Strong Plumbing Inc · Financial District
  5. 5.Leaside Plumbing and Heating Ltd · Leaside
  6. 6.Otto's Masonry · Leaside
  7. 7.Top One Plumbing Inc. · Willowdale
  8. 8.Everest Drain & Plumbing: North York's Local Plumber · Forest Hill
  9. 9.Drain Rescue Plumbers · Islington-City Centre West
  10. 10.DrainWorks Plumbing · Islington-City Centre West
  11. 11.Aquamaster Basement Waterproofing Etobicoke · Mimico
  12. 12.Absolute Draining & Plumbing · Islington-City Centre West
  13. 13.Drain 1 Plumbers In York · Forest Hill
  14. 14.Saving Plumbing · Scarborough Town Centre
  15. 15.Above & Beyond Construction · The Kingsway
  16. 16.Dr.Pipe Drain and Plumbing · Willowdale
  17. 17.DrainRooter Plumbing · Islington-City Centre West
  18. 18.Advanced Plumbing & Drains · The Junction
  19. 19.Drain 1 Plumbers In North York · York Mills
  20. 20.Plumber To Your Door of Scarborough · Scarborough Town Centre
  21. 21.Nusite Contractors Ltd. · The Junction
  22. 22.Drain 1 Plumbers In Etobicoke · Islington-City Centre West
  23. 23.IcyReno Waterproofing & Underpinning · Mimico
  24. 24.Greater Toronto Masonry And Waterproofing Repairs · The Danforth (Greektown)
  25. 25.Harb Plumbing · Islington-City Centre West
  26. 26.IcyReno Waterproofing & Underpinning · The Junction
  27. 27.AquaLux Draining and Plumbing · The Kingsway
  28. 28.MT Drains - Wet & Leaky Basement Waterproofing Toronto · Islington-City Centre West
  29. 29.SB Excavation · Mimico
  30. 30.The Reno Pros · Yonge & St. Clair
  31. 31.Pro Max Restoration of East York · Don Mills
  32. 32.DrainWorks Plumbing Scarborough · Don Mills
  33. 33.Mr. Waterproofer Basement Systems Inc. · Islington-City Centre West
  34. 34.CJ Drain & Plumbing · The Kingsway
  35. 35.Drain King Plumbers Toronto · Willowdale
  36. 36.NTL Contracting and Waterproofing Inc. · Willowdale
  37. 37.Samara Construction Group · The Danforth (Greektown)
  38. 38.Tornado Plumbing & Drains · Islington-City Centre West
  39. 39.Ace Plumbing Services - Toronto Plumber · Financial District
  40. 40.Superior Plumbing & Heating of Scarborough · Scarborough Town Centre
  41. 41.Drain Express - Drain Cleaning, Waterproofing and Plumbing Services In Toronto · Mimico
  42. 42.John The Plumber · Islington-City Centre West
  43. 43.Tornado Plumbing & Drains · Forest Hill
  44. 44.Rivergate plumbing and Drain · Scarborough Town Centre
  45. 45.Basement Foundation Repair · Agincourt
  46. 46.JKRC Group Ltd · Islington-City Centre West
  47. 47.Anta Plumbing And Drain Toronto · Islington-City Centre West
  48. 48.Superior Plumbing & Heating of Toronto · Midtown (Yonge & Eglinton)
  49. 49.Sam plumbing services · Scarborough Town Centre
  50. 50.Strong Basements Inc. - Waterproofing & Underpinning Contractor · Leaside
  51. 51.North York Plumbing · York Mills
  52. 52.Barakah Waterproofing · Don Mills
  53. 53.Mud Monkeys Waterproofing · Leaside
  54. 54.Strong Basements Inc. - Underpinning & Waterproofing Contractor · Mimico
  55. 55.Priority Plumbing & Drains · The Junction
  56. 56.True North Underpinning · Leaside
  57. 57.TORONTO PARGING -EURO CONSTRUCTION LTD. · Leaside
  58. 58.UPR Drains and Waterproofing · Islington-City Centre West
  59. 59.Dr HVAC and Plumbing (Toronto) · The Danforth (Greektown)
  60. 60.Quality Age Build Inc- Underpinning, Garden and Laneway Suite Foundation · Islington-City Centre West
  61. 61.Max Wolf Construction · York Mills
  62. 62.Addison Design & Build · The Danforth (Greektown)
  63. 63.Drobot Construction - Underpinning, Waterproofing, Laneway & Garden Suite Foundations · Mimico
  64. 64.Rooter-Man Drain & Sewer Repair Services Toronto · Mimico
  65. 65.City Wide Group · Don Mills
  66. 66.Direct Basement Waterproofing Toronto · Islington-City Centre West
  67. 67.Rock Bottom Underpinning · Islington-City Centre West
  68. 68.SVD Restoration Concrete Contracting Inc. · Mimico
  69. 69.Local Drain Expert · Agincourt
  70. 70.Crystal Drain & Plumbing · The Kingsway
  71. 71.Direct Waterproofing · Yonge & St. Clair
  72. 72.Concrete Crack Repair Pros · Willowdale
  73. 73.CDP Plumbing of Toronto · The Junction
  74. 74.Etobicoke Plumbing and Drain · Islington-City Centre West
  75. 75.Aquatech Basement Waterproofing Scarborough · Scarborough Town Centre
  76. 76.One Call Plumbers · Scarborough Town Centre
  77. 77.Aquatech Basement Waterproofing Etobicoke · Islington-City Centre West
  78. 78.VMB Group - Basement Lowering Underpinning · Islington-City Centre West
  79. 79.RooterBee Inc. · Islington-City Centre West
  80. 80.Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair Scarborough · Agincourt
  81. 81.CFC Construction · Mimico
  82. 82.AquaResist - Leaky Wet Damp Basement Waterproofing, Drain Works, Underpinning · Islington-City Centre West
  83. 83.Stay Dry Waterproofing · York Mills
  84. 84.Premier Plumbing · Leaside
  85. 85.Waterproofing PD - Etobicoke, Toronto · Islington-City Centre West
  86. 86.Dr Drains & Plumbing Emergency Services · Willowdale
  87. 87.ASAP Scarborough Plumbing Services · Agincourt
  88. 88.Scarborough Plumbing Services · Scarborough Town Centre
  89. 89.RCC Waterproofing Toronto · Midtown (Yonge & Eglinton)
  90. 90.SDM Contractor · Don Mills
  91. 91.TTA Service Underpinning ,Foundation, Waterproofing · The Junction
  92. 92.Drain24 Plumber Scarborough · Scarborough Town Centre
  93. 93.RCC Waterproofing Etobicoke · Islington-City Centre West
  94. 94.Levstein & Stern Plumbing Ltd · Forest Hill
  95. 95.King Construction · Leaside
  96. 96.Red stone concrete · Scarborough Town Centre
  97. 97.York Masonry GTA - Masonry Contractor Toronto · Scarborough Town Centre
  98. 98.RCC Waterproofing North York · Willowdale
  99. 99.PRO Basement - Lowering Underpinning & Waterproofing Toronto · The Junction
  100. 100.Impact Plumbing Scarborough · Don Mills
  101. 101.Maple Leaf Construction · Don Mills
  102. 102.Mystic Waterproofing · The Junction
  103. 103.Concrete Master · Mimico
  104. 104.Absolute Construction Group Ltd. · Islington-City Centre West
  105. 105.RCC Waterproofing Scarborough · Don Mills
  106. 106.Max Waterproofing · Leaside
  107. 107.Leaky Basement · Leaside
  108. 108.SewerFlow Plumber Toronto Inc. · Yonge & St. Clair
  109. 109.Underground Up · Islington-City Centre West
  110. 110.Nova Landscaping · Don Mills
  111. 111.A&A Masonry Inc. · Islington-City Centre West
  112. 112.FoundationGuard Inc. · The Danforth (Greektown)
  113. 113.DryNest Waterproofing · Mimico
  114. 114.Waterproofing my job · Leaside
  115. 115.Toronto Demolition & Underpinning Ltd · The Danforth (Greektown)
  116. 116.ESK Waterproofing · Don Mills
  117. 117.VMN CONTRACTORS · Don Mills
  118. 118.Groundworks Foundation Repair Downtown Toronto · Scarborough Town Centre
  119. 119.Sealcraft Caulking · Financial District
  120. 120.Rock and roll underpinning · Islington-City Centre West
  121. 121.Torrent Waterproofing Inc. · Don Mills
  122. 122.Toronto Blue Skin · Agincourt
  123. 123.Idealwaterproofing · Don Mills
  124. 124.H2O Services Flood Prevention Specialists · York Mills
  125. 125.Topclass waterproofing & construction · The Junction
  126. 126.Zenith WATERPROOFING & FOUNDATIONS · Financial District
  127. 127.a waterproofing · Leaside
  128. 128.Sultan construction and Waterproofing · Leaside
  129. 129.MF WATERPROOFING CONSTRUCTION · Mimico
  130. 130.Foundation Waterproofing · Midtown (Yonge & Eglinton)
  131. 131.Waterproofing Midtown · Midtown (Yonge & Eglinton)
  132. 132.Pro Toronto masonry & waterproofing · Financial District
  133. 133.Classic Basement Waterproofing · Islington-City Centre West
  134. 134.Kanata Caulking & Weatherproofing · Yonge & St. Clair

Coverage

Which below-grade services are covered in Toronto?

One row per category WaterproofingIndex covers in Toronto: how many companies are listed, what they average on Google, and the GTA price range published for that service. The ranked list for each one follows underneath.

WaterproofingIndex dataset, August 2026. Ratings from public Google reviews.
CategoryListed prosAvg Google rating
Basement Waterproofing684.89★
Sump Pumps & Backwater Valves564.91★
Underpinning & Basement Lowering274.9★
Foundation Repair264.97★
Weeping Tile & Drainage114.84★
Basement Walkouts & Entrances44.9★

Coverage

Why are some companies missing from this page?

38 of the 384 companies here publish no street address, only a Google service-area centroid, and 4 of them share one such point. That is not an address, so none of them is placed in Toronto. Find them in the A-Z index, and ask which areas they cover.

Waterproofing in Toronto: frequently asked questions

Who works on wet basements in Toronto?

WaterproofingIndex's August 2026 dataset holds 134 below-grade contractors covering Toronto, at an average Google rating of 4.9★. Basement Waterproofing is the deepest category here, with 68 listed. Get three itemised quotes before you commit to any of them.

Which below-grade service scores highest in Toronto?

Foundation Repair leads on rating: 5.0★ across 23 rated companies, ahead of every other category WaterproofingIndex covers in this area. The stars come from Google reviewers, and our order weighs how many of them there were.

What should a Toronto homeowner expect to pay for basement waterproofing?

Project Landscaping (Ontario) publishes $50 to $80 per linear ft for interior drainage, basic system across the GTA, before 13% HST. Depth and access are what move a Toronto quote inside that range. The basement waterproofing cost guide on WaterproofingIndex breaks out every line item with its source.