ConcreteFinder

Best Foundation & Underpinning Contractors in Islington-City Centre West (2026)

Last updated: By ConcreteFinder Research Team

There are 20 foundation contractors on ConcreteFinder's the Islington-City Centre West area list, rated 4.92★ on average, supported by 1,424 Google reviews this July 2026. With 19 companies carrying enough reviews to rate, the small differences in position here are meaningful. As reviews accumulate, we update the order, so it stays current.

Which foundation contractors rank highest in Islington-City Centre West?

Below are all 20 foundation contractors ConcreteFinder tracks in Islington-City Centre West, ordered by a Bayesian-adjusted Google rating so consistent, high-volume reputations rise first. Each card opens a full profile and a free quote request.

  2. Direct Basement Waterproofing2
    Verified listingTop rated

    Direct Basement Waterproofing

    Foundations & Underpinning

    Direct Waterproofing offers quality Basement Waterproofing Mississauga. Fix your wet, damp, or leaky basement today. Free on-site estimate!

    (647) 693-2053Get Quotes
  5. SVD Restoration Concrete Contracting5
    Verified listingTop rated

    SVD Restoration Concrete Contracting

    Concrete Contractors

    Toronto's leading concrete contractors for residential & commercial projects. Expert concrete driveways, pouring, foundation repair, and interlocking across the GTA and Muskoka.

    (647) 692-2231Get Quotes
  6. Royal Work Basement Waterproofing6
    Verified listingTop rated

    Royal Work Basement Waterproofing

    Foundations & Underpinning

    Royal Work is a waterproofing company offering basement waterproofing services in Mississauga. We can effectively fix your wet basement with reliable solutions!

    (647) 529-2681Get Quotes
  7. RCC Waterproofing Etobicoke7
    Verified listingTop rated

    RCC Waterproofing Etobicoke

    Foundations & Underpinning

    Discover RCC Waterproofing Etobicoke, your go-to experts for premier basement waterproofing solutions in the Etobicoke, Toronto area.

    (416) 430-9613Get Quotes
  11. Waterproofing PD11
    Verified listingTop rated

    Waterproofing PD

    Foundations & Underpinning

    Waterproofing PD is a basement waterproofing company specializing in fixing wet and leaky basements. We offer a lifetime warranty.

    (416) 333-8222Get Quotes
  12. Rock and roll underpinning12
    Verified listing

    Rock and roll underpinning

    Foundations & Underpinning

    We can assist you with adding height to your basement, foundation repair, basement waterproofing, and other underpinning services with the GTA. Call the experts.

    (647) 801-4285Get Quotes
  13. KOME WATERPROOFING AND UNDERPINNING TORONTO13
    Verified listingTop rated

    KOME WATERPROOFING AND UNDERPINNING TORONTO

    Foundations & Underpinning

    КOME Waterproofing & Underpinning Inc. serves as a leading Construction Company in the Toronto area. We’re a team of fully-certified professionals.Underpinning specialist in Toronto Area, Exterior Waterproofing Basement , Interior Waterproofing Basement , Walkout Basement , Laneway Hause Foundation , Kome Waterproofing and Underpinning Inc.

    (647) 915-6943Get Quotes
  20. Rock Bottom Underpinning20
    Verified listing

    Rock Bottom Underpinning

    Foundations & Underpinning

    Professional underpinning contractors in Toronto specializing in basement lowering, foundation work, waterproofing, and renovations. Request a quote today.

    (416) 546-3558Get Quotes

How much does foundation and underpinning work cost in Islington-City Centre West?

For the area, our July 2026 dataset puts permits + engineering as bundled by contractors runs $2,000–$5,000 per project (Nusite Group) and basement underpinning - structural work only runs $350–$650 per linear foot (Strong Basements). In Islington-City Centre West, constrained access and haulaway often nudge quotes to the upper end. Those ranges exclude 13% HST.

Typical GTA foundations & underpinning prices for Islington-City Centre West, July 2026. Each row cites its source.
ItemTypical rangeUnitSource
Basement underpinning - structural work only$350–$650(typ. $400–$480)per linear footStrong Basements
Screw pile / helical pier underpinning$3,000–$5,000(typ. $3,500–$4,500)per pileCapable Group Inc.
Structural engineering drawings for underpinning permit$1,500–$6,000(typ. $2,000–$5,000)per projectStrong Basements (corroborated by SEPCO Engineering $1,500–$4,000+)
Full-basement underpinning - total project cost$50,000–$120,000(typ. $60,000–$90,000)per projectCapable Group Inc.
Structural engineer hourly rate (Toronto/GTA)$150–$300(typ. $200–$250)per hourSEPCO Engineering
Bench footing (basement lowering alternative)$75–$400(typ. $250–$350)per linear footCSG Renovation (high end: Strong Basements)

See the full Foundations & Underpinning cost guide

How does ConcreteFinder rank foundation contractors in Islington-City Centre West?

Positions here reflect a Bayesian-adjusted Google rating that weighs how many reviews back each score, not just the average, across the 20 foundation contractors on this page. The median company here carries 61 Google reviews. Verification signals add a little lift, but placement is never for sale. Read our full methodology.

Frequently asked questions

What's the best time of year for foundation and underpinning work in Islington-City Centre West?

Because foundation and underpinning work in Islington-City Centre West is interior or below-grade work, it runs year-round rather than waiting on the pour season. The best crews still fill up in busy stretches, so ask early.

How much does foundation and underpinning work cost in Islington-City Centre West?

Structural engineering drawings for underpinning permit runs $1,500–$6,000 per project across the GTA, per Strong Basements (corroborated by SEPCO Engineering $1,500–$4,000+). Quotes there can sit at the higher end. Figures exclude 13% HST; our foundations & underpinning cost guide breaks down every line item for Islington-City Centre West.

How many foundation contractors serve Islington-City Centre West?

As of July 2026, 20 foundation contractors cover Islington-City Centre West, at an average Google rating of 4.92★ and a median of 61 reviews each. With that many local options, get three quotes and compare scope, not just price.

Do I need a permit to underpin a basement in Islington-City Centre West?

An Islington-City Centre West underpinning project cannot proceed without a permit. Structural foundation work requires engineered, stamped drawings from a licensed Ontario engineer and staged inspections under the Building Code. Budget for that engineering and oversight up front; the upside is that this excavation work can be done in any season.

Do foundation contractors in Islington-City Centre West give free quotes?

Free estimates are the norm for local foundation contractors, usually after a short site visit. ConcreteFinder lets you request up to three exclusive quotes together, so you weigh scope and price at no cost.

How do I vet a foundation contractor in Islington-City Centre West?

Before hiring, request a live WSIB clearance and a liability certificate, and verify the dates. ConcreteFinder surfaces verification signals on every Islington-City Centre West profile, yet the actual insurance paperwork should be confirmed with the foundation contractor first.

Questions to ask your contractor

  • What is the inspection schedule, and who books the city inspections?
  • Will you provide stamped engineering drawings and pull the building permit? Engineering and permit cost benchmarks
  • How do you protect the existing structure and the neighbours during excavation?
  • Is this underpinning or bench footing, and why is that right for my house?

Where else can you compare foundation contractors near Islington-City Centre West?

Not finding the right Islington-City Centre West fit? Browse foundation and underpinning work in nearby areas, or compare other ConcreteFinder service rankings in the area.

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