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Waterproofing PD | Basement Waterproofing Richmond Hill
Foundations & Underpinning
Waterproofing PD is a waterproofing company offering basement waterproofing in Richmond Hill. Get your free inspection today!
Best Foundation & Underpinning Contractors in Richmond Hill (2026)
Last updated: By ConcreteFinder Research Team
ConcreteFinder tracks 4 foundation contractors serving Richmond Hill, with an average Google rating of 4.63★ across 56 reviews (July 2026 data). The median foundation contractor serving Richmond Hill shows around 13 reviews, so you are comparing established operators, not brand-new pages. Rankings for Richmond Hill are independent, and no company can pay to appear higher (see our methodology).
Which foundation contractors rank highest in Richmond Hill?
The 4 foundation contractors below cover Richmond Hill, listed best-first by a rating method that values depth of reviews over a perfect handful. Use any card to see the profile or ask for quotes.
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2Verified listingTop ratedLion parging
Foundations & UnderpinningHome Lion Parging – Toronto’s Trusted Exterior SpecialistLooking to strengthen and refresh your property’s exterior? At Lion Parging, we provide professional foundation walls, brick parging, stucco, and porch cover services across the Toronto area.✔ Foundation Walls & Brick Parging – Protect your home from moisture, cracks, and harsh weather conditions.✔ Stucco Application – Enhance your
3Verified listingUmbrella Waterproofing, Drains & Plumbing
Foundations & UnderpinningWe specialize in all kinds of the waterproofing repairs, and perform installations of any type of the waterproofing equipment
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How much does foundation and underpinning work cost in Richmond Hill?
Basement underpinning - structural work only runs $350–$650 per linear foot, according to Strong Basements, while basement underpinning - turn-key project (engineering, permits, waterproofing, plumbing, new slab) runs $50–$105 per sq ft, per Strong Basements (low end: Nusite Group), on current GTA figures for Richmond Hill. Pricing across Richmond Hill usually lands near the GTA midpoint. Budget another 13% HST on top.
| Item | Typical range | Unit | Source |
|---|---|---|---|
| Structural engineer site inspection / assessment | $600–$1,200(typ. $700–$1,000) | per visit | SEPCO Engineering |
| Structural engineering drawings for underpinning permit | $1,500–$6,000(typ. $2,000–$5,000) | per project | Strong Basements (corroborated by SEPCO Engineering $1,500–$4,000+) |
| City of Toronto building permit - underpinning (direct city fee) | $214.79–~$400(typ. under $400 for a standard house) | per permit ($12.37/linear metre, $214.79 minimum, 2026) | City of Toronto Building Permit Fee Schedule |
| Full-basement underpinning - total project cost | $50,000–$120,000(typ. $60,000–$90,000) | per project | Capable Group Inc. |
| Bench footing - priced by floor area | $35–$60(typ. $40–$55) | per sq ft | Nusite Group |
| Exterior foundation waterproofing (excavated) | $140–$300(typ. $180–$250) | per linear foot | DryShield Water Solutions |
How does ConcreteFinder rank foundation contractors in Richmond Hill?
ConcreteFinder ranks the 4 foundation contractors on this Richmond Hill page with a Bayesian-adjusted Google rating, so a flawless score on a few reviews cannot outrank a strong score on hundreds. The median company here carries 13 Google reviews. Small boosts for an active website, a listed phone and real photos break ties, and no company can pay for a higher spot. Read our full methodology.
Frequently asked questions
When should I book foundation and underpinning work in Richmond Hill?
- Frost does not stop foundation and underpinning work here: crews work through winter on interior and below-grade jobs. Reputable Richmond Hill foundation contractors still book ahead, so start early and compare a few.
Do I need a permit to underpin a basement in Richmond Hill?
- An Richmond Hill 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.
What should I budget for foundation and underpinning work in Richmond Hill?
- For Richmond Hill, one July 2026 benchmark: structural engineer hourly rate (Toronto/GTA) runs $150–$300 per hour in the GTA (SEPCO Engineering). Quotes there usually track that GTA range. Add 13% HST, and see the full foundations & underpinning cost guide.
What does a proper Richmond Hill concrete quote look like?
- Look for a quote that spells out preparation, slab thickness, reinforcement, finish and haulaway, plus deposit, payment stages and warranty. When two Richmond Hill bids differ a lot, it is usually the scope, so read the line items before choosing.
How do I check a foundation contractor is insured in Richmond Hill?
- Before hiring, request a live WSIB clearance and a liability certificate, and verify the dates. ConcreteFinder surfaces verification signals on every Richmond Hill profile, yet the actual insurance paperwork should be confirmed with the foundation contractor first.
How many foundation contractors are there in Richmond Hill?
- ConcreteFinder lists 4 foundation contractors actively serving Richmond Hill as of July 2026, at an average Google rating of 4.63★ and a median of 13 reviews each. Compare at least three of these quotes before hiring.
Questions to ask your contractor
- What is the inspection schedule, and who books the city inspections?
- What waterproofing and drainage go in while the foundation is open?
- Is this underpinning or bench footing, and why is that right for my house?
- How do you protect the existing structure and the neighbours during excavation?
Where else can you compare foundation contractors near Richmond Hill?
Want more options nearby? Explore foundation and underpinning work in nearby areas, or jump to other ConcreteFinder rankings for Richmond Hill.
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