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WaterproofingIndex

Best Basement Waterproofing Contractors in Toronto, Ranked (2026)

Last updated: By Below-Grade Records Desk

68 basement waterproofing contractors cover Toronto, compiled August 2026.

6,009 Google reviews · median 4.89★ · typical $50–$80 per linear ft (Project Landscaping (Ontario)) · 89% of rated companies at 4.8★ or above · scheduling: interior work year-round; exterior excavation typically April to November

Companies

Who does basement waterproofing in Toronto?

  2. Otto's Masonry2

    Otto's Masonry

    83/100 WaterproofingIndex Score

    0.8 km from Leaside centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  3. Drain Rescue Plumbers3

    Drain Rescue Plumbers

    82/100 WaterproofingIndex Score

    3.0 km from Islington-City Centre West centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  5. Drain 1 Plumbers In York5

    Drain 1 Plumbers In York

    79/100 WaterproofingIndex Score

    2.0 km from Forest Hill centre

    Basement Waterproofing
    • Says it is licensed
    • Says about 35 years going

    Its own website describes below-grade water work

    Request a quote
  10. Drain 1 Plumbers In Etobicoke10

    Drain 1 Plumbers In Etobicoke

    78/100 WaterproofingIndex Score

    3.4 km from Islington-City Centre West centre

    Basement Waterproofing
    • Says it is licensed
    • Says about 35 years going

    Its own website describes below-grade water work

    Request a quote
  16. SB Excavation16

    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
  19. JKRC Group Ltd19

    JKRC Group Ltd

    69/100 WaterproofingIndex Score

    0.9 km from Islington-City Centre West centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  21. Barakah Waterproofing21

    Barakah Waterproofing

    67/100 WaterproofingIndex Score

    2.1 km from Don Mills centre

    Basement Waterproofing
    • Says it has been going since 1999

    Its own website describes below-grade water work

    Request a quote
  22. True North Underpinning22

    True North Underpinning

    66/100 WaterproofingIndex Score

    0.7 km from Leaside centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  23. UPR Drains and Waterproofing23

    UPR Drains and Waterproofing

    66/100 WaterproofingIndex Score

    5.4 km from Islington-City Centre West centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  24. Max Wolf Construction24

    Max Wolf Construction

    65/100 WaterproofingIndex Score

    3.9 km from York Mills centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is bonded

    Its own website describes below-grade water work

    Request a quote
  26. City Wide Group26

    City Wide Group

    63/100 WaterproofingIndex Score

    3.4 km from Don Mills centre

    Basement Waterproofing
    • Says it has been going since 1961

    Its own website describes below-grade water work

    Request a quote
  29. Concrete Crack Repair Pros29

    Concrete Crack Repair Pros

    60/100 WaterproofingIndex Score

    12.3 km from Willowdale centre

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

    Its own website describes below-grade water work

    Request a quote
  33. RooterBee Inc.33

    RooterBee Inc.

    60/100 WaterproofingIndex Score

    4.4 km from Islington-City Centre West centre

    Basement Waterproofing
    • Says it is licensed

    Its own website describes below-grade water work

    Request a quote
  34. CFC Construction34

    CFC Construction

    60/100 WaterproofingIndex Score

    1.7 km from Mimico centre

    Basement Waterproofing
    • Says it has been going since 2020

    Its own website describes below-grade water work

    Request a quote
  39. SDM Contractor39

    SDM Contractor

    57/100 WaterproofingIndex Score

    2.0 km from Don Mills centre

    Basement Waterproofing

    Its own website describes below-grade water work

    Request a quote
  46. Concrete Master46

    Concrete Master

    53/100 WaterproofingIndex Score

    0.6 km from Mimico centre

    Basement Waterproofing
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  49. Leaky Basement49

    Leaky Basement

    52/100 WaterproofingIndex Score

    0.9 km from Leaside centre

    Basement Waterproofing

    Its own website describes below-grade water work

    Request a quote
  55. VMN CONTRACTORS55

    VMN CONTRACTORS

    46/100 WaterproofingIndex Score

    2.0 km from Don Mills centre

    Basement Waterproofing

    Its own website describes below-grade water work

    Request a quote

Below are the 68 basement waterproofing contractors operating in Toronto, whose Google ratings average 4.89★ over 6,009 reviews. The dataset was last rebuilt in August 2026. Half carry more than 35 Google reviews and half fewer. Full basement waterproofing cost guide.

Ranking

What decides the order on this page?

The WaterproofingIndex Score orders these 68 basement waterproofing contractors, whose median review count is 35. Position is not for sale. How the score is built.

Rules

Permits and subsidies for basement waterproofing

Permit rules and subsidies do not change between Toronto and the rest of the GTA, so they are answered once, on the basement waterproofing page.

Coverage

Nearby areas and related work in Toronto