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RCC Waterproofing Markham

Foundations & Underpinning in Markham, York Region

4.938 Google reviews

Market rate for foundation and underpinning work across the GTA

$350–$480 per linear foot

Source: Strong Basements. Excludes 13% HST. Not a quote from this company.

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Mon–Sun
Open 24 hours

Listed for

Its own website also names basement waterproofing services, basement leak repair, underpinning services, basement lowering services, waterproofing foundation cracks, basement waterproofing, foundation structural repair and sump pump services. Read from the company's site, not checked against any register.

What the public record shows

Read from registers anyone can search, on the dates shown. Nothing here comes from the company.

Web address first archived
2004

The earliest copy of this address held by the Internet Archive. A company can be much older than its website, and this is a date about the address only.

ConcreteFinder Score

56 / 100

Scored on the same published method applied to every company on this site. Claiming a listing is free, and no company can pay to move. How the score works

Reviews and reputation
38 / 45
  • Adjusted Google rating27 / 30
  • Review volume10 / 15
What it states on its own site
0 / 22

Nothing found stated on this company's own website. That is not a mark against it, only an absence of points here.

Website and record
18 / 25
  • Website there, our crawler turned away8 / 10
  • Themes reviewers keep repeating6 / 6
  • Phone on file2 / 2
  • Hours posted2 / 2
The claim
0 / 8

Nothing recorded.

What reviewers keep mentioning

Read from the 8 reviews stored on this record. Each phrase carries the review sentence it came from.

  • Crack repair
  • Drainage
  • Basement waterproofing
  • Attention to detail
  • Cleans up after
  • Answers quickly
  • Shows up on time
  • Quality workmanship

Other locations

9 more Google Business Profiles list the same website as this one. Each keeps its own page and its own reviews.

What customers say

37 of the 38 are 5-star and 1 is 1-star. Ratings are set by the people who left them, not by ConcreteFinder.

  • Joce

    Rated 1.0 out of 5 · Google review · 3 weeks ago

    “We are unhappy with our waterproofing experience with RCC Waterproofing Markham. We had them come by to fix a minor leak at which, to date appears to hold. It’s only been a few weeks so we will update should there be problems. The state of our…”

  • said

    Rated 5.0 out of 5 · Google review · 3 months ago

    “I recently had RCC Waterproofing come out to repair a crack in my foundation, and I couldn't be more impressed with the experience from start to finish. Simpson and Harry were the two technicians who came out, and they were absolutely outstanding. From the moment they…”

  • Ainslie

    Rated 5.0 out of 5 · Google review · a year ago

    “We recently hired RCC Waterproofing to install a sump pump with a battery backup, an interior water management system and complete structural work, including removing a wall and properly installing frost protection at our back door. From start to finish, the experience was outstanding. Den and…”

  • Ricky

    Rated 5.0 out of 5 · Google review · a year ago

    “Wonderful experience working with RCC! They were prompt and efficient and were always available to answer any questions i had about the work i was getting done on my house. I'd like to recognize Den, Omar and his crew of workers for there hard work. They…”

Where this came from

Everything above is public information, gathered from the sources below and shown with the date it was read. ConcreteFinder does not charge a company to appear, and no company can pay to change what is on this page.

Google Business Profile
Name, address, phone, opening hours, photographs, rating and reviews. Read July 2026.
Internet Archive
The year this web address was first archived. Read September 5, 2026.

ConcreteFinder checks the website, phone, photographs and hours on this record, and searches the City of Toronto business licence register for companies inside the city. It does not check insurance or WSIB coverage, and no register in this region publishes those. Ask for them before you sign anything.

Last updated: By ConcreteFinder Research Team

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Questions about RCC Waterproofing Markham

Is RCC Waterproofing Markham well reviewed?

RCC Waterproofing Markham holds a 4.9-star Google rating across 38 reviews. Based on ConcreteFinder's analysis of Google review data, that is a strong score for a foundation contractor in the Greater Toronto Area. We always recommend comparing at least three quotes before you hire.

Where does RCC Waterproofing Markham operate?

RCC Waterproofing Markham works out of Markham in the York Region area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 15 Allstate Pkwy 6th Floor, Markham, ON L3R 5B4.

How do I get a quote from RCC Waterproofing Markham?

You can contact RCC Waterproofing Markham directly or through its website, or through its Google Business Profile.

Before you hire, run through the questions to ask a foundation contractor.

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