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WaterproofingIndex

Best Foundation Repair Contractors in Toronto, Ranked (2026)

Last updated: By Below-Grade Records Desk

26 foundation repair contractors cover Toronto, compiled August 2026.

1,542 Google reviews · median 4.97★ · typical $750–$1,000 per crack (DryShield (Toronto)) · 96% of rated companies at 4.8★ or above · scheduling: interior work year-round; exterior excavation typically April to November

Companies

Who does foundation repair in Toronto?

  1. Otto's Masonry2

    Otto's Masonry

    83/100 WaterproofingIndex Score

    0.8 km from Leaside centre

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

    Its own website describes below-grade water work

  2. JKRC Group Ltd5

    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

  3. True North Underpinning6

    True North Underpinning

    66/100 WaterproofingIndex Score

    0.7 km from Leaside centre

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

    Its own website describes below-grade water work

  4. Max Wolf Construction9

    Max Wolf Construction

    65/100 WaterproofingIndex Score

    3.9 km from York Mills centre

    Foundation Repair
    • Says it is licensed
    • Says it is bonded

    Its own website describes below-grade water work

  5. Concrete Crack Repair Pros12

    Concrete Crack Repair Pros

    60/100 WaterproofingIndex Score

    12.3 km from Willowdale centre

    Foundation Repair
    • Says it is insured
    • Says it carries WSIB coverage

    Its own website describes below-grade water work

  6. SDM Contractor17

    SDM Contractor

    57/100 WaterproofingIndex Score

    2.0 km from Don Mills centre

    Foundation Repair

    Its own website describes below-grade water work

  7. Red stone concrete20

    Red stone concrete

    56/100 WaterproofingIndex Score

    3.7 km from Scarborough Town Centre centre

    Foundation Repair

    Its own website describes below-grade water work

  8. Leaky Basement23

    Leaky Basement

    52/100 WaterproofingIndex Score

    0.9 km from Leaside centre

    Foundation Repair

    Its own website describes below-grade water work

  9. A&A Masonry Inc.24

    A&A Masonry Inc.

    49/100 WaterproofingIndex Score

    1.9 km from Islington-City Centre West centre

    Foundation Repair

    Its own website describes below-grade water work

Below are the 26 foundation repair contractors operating in Toronto, whose Google ratings average 4.97★ over 1,542 reviews. The dataset was last rebuilt in August 2026. Half carry more than 35 Google reviews and half fewer. Full foundation repair cost guide.

Ranking

What decides the order on this page?

The WaterproofingIndex Score orders these 26 foundation repair contractors, whose median review count is 35. Position is not for sale. How the score is built.

Rules

Permits and subsidies for foundation repair

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

Coverage

Nearby areas and related work in Toronto