Expert Basement, Foundation & Crawlspace Waterproofing Contractors in Thorold, ON

The highest-rated Basement Waterproofing & Crawlspace Repair companies out of 44 vetted & reviewed in the Thorold area.

K.r.s. Concrete Construction

K.r.s. Concrete Construction

(5)
Concrete Driveway, Concrete Patios, Concrete Porch
“Fantastic work by K.R.S Concrete. Kevin and his guys definitely know what they are doing. They finished the job on time, maintained cleanliness, and everything turned out beautiful. Highly recommend them!!”
20+ Years Experience
Free Initial Consultation
Licensed
418 Mackan St, Thorold, ON L2V 1H2
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Sikkens Construction

Sikkens Construction

(7)
  • Price
  • Team
“I had a fantastic experience working with this company! Kurt's flexibility and reasonableness made the process smooth and enjoyable. I would highly recommend this company to all my friends and family.”
389 Ormond St S, Thorold, ON L2V 4V7
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Foundation Fix Inc.

Foundation Fix Inc.

(35)
Exterior Waterproofing, Crack Injection, Commercial Foundations
“We live in Calgary and when our Grimsby house tenants called to inform us that the basement was leaking/flooding we freaked out! While the insurance did not cover the foundation repair, they did put us in touch with a competing foundation repair com...”
Family Business
Serving Thorold Area
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Ontario Concrete Raising Ltd.

Ontario Concrete Raising Ltd.

(50)
  • Questions
  • Quote
  • Warranty
“We needed to replace our front concrete walkway and steps into the house. The slabs had settled and the steps were 9 inches from top to bottom. We were faced with several options; new concrete walkway and steps, cover existing concrete with pavers or...”
In Business Since 2010
Free Initial Consultation
Family Business
Licensed, BBB Accredited
600 Ontario St, St. Catharines, ON L2N 7P8
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Stronghouse Contracting

Stronghouse Contracting

(43)
  • Chimney
  • Cleaning
  • Roof
“An historic project and an excellent job. I engaged Stronghouse to repair and protect a freestanding historic wall (possibly late 1880's) on our property from the weather damage. The wall was beautiful but had started to crumble from exposure to the ...”
In Business Since 2017
Free Initial Consultation
Licensed, BBB Accredited
4025 Dorchester Rd #325, Niagara Falls, ON L2E 7K8
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Proseal Waterproofing & Contracting Inc.

Proseal Waterproofing & Contracting Inc.

(47)
Interior and Exterior Waterproofing, Foundation Screws, Carbon Fiber Stitching For Foundations
“In 2019, I had groundwater infiltrate into my house. My basement floor and drywall was ruined. We had went to multiple other companies, and all had positioned an expensive exterior repair that would have required me to demolish an addition and my dri...”
Serving Thorold Area
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Moffat Foundations & Repair

Moffat Foundations & Repair

(6)
“We were very impressed with Brian and the team. They kept their materials and tools organized and cleaned up the work area after themselves and were very professional from start to finish. They showed up every day and stayed on our project until comp...”
In Business Since 2023
Transparent Fees & Pricing
Coupons & Offers
Emergency Services
Serving Thorold Area
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Harris Waterproofing

Harris Waterproofing

(34)
  • Basement
  • Price
  • Job
“Malcolm was very transparent and upfront and genuine guy when he came over to investigate my flood in the basement. He gave me a realistic quote. I have not gone forward with the quote yet as I've had many contractors over to review where the water...”
In Business Since 2016
4377 Beverley Crescent, Lincoln, ON L0R 1B6
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Foundation Waterproofing by Moe

Foundation Waterproofing by Moe

(36)
Basement Waterproofing, Landscaping, Sump Pumps
“In September 2020 on a referral from my daughter we had Moe come to give us an idea of what he thought we should do to get rid of the dampness in our basement. This was not something I looked forward to as we already had the outside weeping tile and ...”
20+ Years Experience
566 Webber Rd, Welland, ON L3B 5N8
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WET AND Humid NO More Ltd.

WET AND Humid NO More Ltd.

(25)
Inside Waterproofing, Sump Pump Installation, Outside Waterproofing
“Eric responded quickly to my enquiry for a quote. He then explained the best process to handle the water coming into my basement. And he gave a fair and competitive price based on what needed to be done. Also, he worked on a solution to stop the m...”
4600 Montrose Rd UNIT # 2, Niagara Falls, ON L2H 1K3
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Tybo Concrete Coatings & Restoration

Tybo Concrete Coatings & Restoration

(31)
Commercial, Residential
“We had our porch redone by this company last year and Tyler was so professional and responsive to our needs. The before and after shots are like night and day! He improved the curb appeal a thousand percent! We are beyond happy with the job he did. A...”
In Business Since 2013
Niagara Falls, ON
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McDowell Drain & Waterproofing

McDowell Drain & Waterproofing

(25)
Back Water Valve Installation, Drain Repair AND Replacement, Sewer Camera Inspection
“First noticed our situation when the upstairs bath would not drain quickly. After being stood up 3 x's by one group and a 2nd that spent 3.5 hours trying to get a camera to work that he had never used I finally found a reliable, honest and completely...”
Licensed
Free Initial Consultation
Serving Thorold Area
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Hoss Concrete

Hoss Concrete

(16)
  • Team
  • Price
  • Questions
“We had a small slab of concrete that needed to be demolished and removed. Justin was awesome from the start - got back to us with a quote right away, great communication the entire time, made sure all our questions and concerns were addressed. The r...”
In Business Since 2024
Free Initial Consultation
44 Blair Crescent, St. Catharines, ON L2P 3A8
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Brighteast Construction

Brighteast Construction

(13)
  • Team
  • Renovation
“We hired Brighteast Construction to fully complete our unfinished basement in our new build. Right from the very beginning Kenny, Edward & Wang were nothing short of amazing. Professionalism, organization, communication, knowledge, expertise, trustwo...”
1469 Sunset Dr, Fort Erie, ON L2A 5M4
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Mike Smith Re:j Schulz Wa

Mike Smith Re:j Schulz Wa

(4)
  • Price
  • Problem
  • Site
“Turns out there are 2 Joe Shultz Waterproofing as it is a family business. Mike is the senior and the younger team is Adam and Suzie from Niagara on the Lake. I was a bit confused and almost didn't hire Adam as the reviews were mixed. I'm really glad...”
In Business Since 2012
Family Business
Free Initial Consultation
197 Linwell Rd, St. Catharines, ON L2N 1X8
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Robson Foundations

Robson Foundations

(17)
  • Team
  • Basement
  • Work
“Earlier in the year I discovered that we had a seriously failed beam in our crawlspace. I contacted the supposed expert in basements and crawl spaces based in Hamilton who never got back to me. I then found Robson Foundations through a Google searc...”
In Business Since 2015
Free Initial Consultation
Serving Thorold Area
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Beeline Cutting & Coring

Beeline Cutting & Coring

(1)
“Harry is a gentleman and a pro. If you need concrete cutting he's the best.”
Emergency Services
142 Cushman Rd, St. Catharines, ON L2M 6T6
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Seal-Tite Quality Concrete

Seal-Tite Quality Concrete

(4)
“I hired Seal-Tite to repair a recently discovered foundation crack on my home. They squeezed me in and were able to start the job within a short time. They laid plywood down across my grass (a good 300 ft) to bring their equipment onto the job site, ...”
30+ Years Experience
Serving Thorold Area
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Algoma Contractors

Algoma Contractors

“Minimizing costs is a constant priority of Ontario hospitals. Our asset protection services reduce repair costs, prevent corrosion, and improve asset longevity.”
In Business Since 2022
Serving Thorold Area
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Capricornus

Capricornus

“High-quality, Canadian supplied car parts, plumbing. See what we have in our online marketplace. Contact us today at 1-905-354-1681, send us an email at [email protected] or checkout our Facebook Marketing page here.”
In Business Since 2015
Coupons & Offers
5583 Desson Ave, Niagara Falls, ON L2G 3S9
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Dryseal Concrete Solutions Inc.

Dryseal Concrete Solutions Inc.

(3)
Concrete Repair & Maintenance, Wet Basement Repair, Foundation Repair
“We had a polyurethane injection performed by DrySeal in Aug 2022. The original job had a 15 year warranty included. We had quite a bit of landscaping done and the ground has likely shifted causing a very small leak to re-appear in one of the injecti...”
In Business Since 2014
Emergency Services
Serving Thorold Area
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Aqua Dry Waterproofing Technologies

Aqua Dry Waterproofing Technologies

(3)
  • Basement
  • Leak
  • Foundation
“Last year Brad provided our business location with the best solution for our leaky and damp basement within the timeframe we desired. He was professional and accommodating. He thoroughly explained his foundation waterproofing techniques and his actio...”
In Business Since 2007
Free Initial Consultation
140 Westside Dr, Oakville, ON L6K 1P3
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Constructart Restoration & Repairs

Constructart Restoration & Repairs

(10)
Concrete, Heritage Restoration, Masonry
“Extremely pleased with Ken and his crew. They are a reliable company and showed up when they said they would and worked tirelessly through a heat wave, never complained and most importantly worked to have the job completed by the time they said they ...”
In Business Since 2012
Niagara Falls, ON
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Kemper Concrete Inc.

Kemper Concrete Inc.

(5)
“Absolutely amazing job! I've never seen such a professional outfit. After talking to Dennis at the initial visit I felt so confident that the job I needed done would be done to perfection Not every company felt comfortable tackling my job but Denni...”
In Business Since 2018
Serving Thorold Area
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Basement Waterproofing Services in Thorold, ON Cost Estimates

Minimum cost
$820
Maximum cost
$15715
National Average
$5877
$2733
$8882
Fair price range is based on 304 cost profiles
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Average Cost $5877
Minimum cost $820
Maximum cost $15715

Fair range $2733 to $8882 is based on 304 cost profiles.

Why these companies made our list

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