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

The highest-rated Basement Waterproofing & Crawlspace Repair companies out of 33 vetted & reviewed in the Welland area.

Proseal Waterproofing & Contracting Inc.

Proseal Waterproofing & Contracting Inc.

(47)
Interior and Exterior Waterproofing, Weeping Tiles and Foundation Membrane, Foundation Screws
“Trevor was very easy to get a hold of and arrange a consult with to look at my cold cellar. He was very knowledgeable, prompt, professional and friendly. I trusted his opinion in assuring me there was no issue and this helped put my mind at ease . I ...”
2601 RR 20 #4, Welland, ON L0S 1E6
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Foundation Waterproofing by Moe

Foundation Waterproofing by Moe

(36)
Basement Waterproofing, Sewers and Water Lines, Structural Foundation Repair
“Great service! Reached out to Moe for a timely assessment and estimate. Appreciated that he took the time the very next day to review and explain our concerns and provided us with an estimate. Very thorough and professional. Thank you Moe.”
20+ Years Experience
566 Webber Rd, Welland, ON L3B 5N8
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Ontario Concrete Raising Ltd.

Ontario Concrete Raising Ltd.

(50)
  • Questions
  • Slope
  • Walkway
“Very happy with the job! The crew showed up right on time and finished when they said they would. Taylor and Quinn answered all my questions and left everything spotless when they left, they did a great job! I would definitely recommend Ontario Concr...”
In Business Since 2010
Licensed, BBB Accredited
Free Initial Consultation
Family Business
600 Ontario St, St. Catharines, ON L2N 7P8
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Stronghouse Contracting

Stronghouse Contracting

(43)
  • Chimney
  • Safety
  • Crew
“I had a great experience with Stronghouse Contracting rebuilding our old leaky chimney for us. They were professional, quick and did a great job! They even went out of their way to find the best matching brick they could, their knowledge and skills w...”
In Business Since 2017
Licensed, BBB Accredited
Free Initial Consultation
4025 Dorchester Rd #325, Niagara Falls, ON L2E 7K8
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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
Emergency Services
Transparent Fees & Pricing
Coupons & Offers
Serving Welland Area
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Harris Waterproofing

Harris Waterproofing

(34)
  • Basement
  • Cost
  • Leaking
“Great guy ! Needed a last minute job ___ came and got it in 3 days and cannot be any happier Positive Responsiveness, Punctuality, Quality, Professionalism, Value”
In Business Since 2016
4377 Beverley Crescent, Lincoln, ON L0R 1B6
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Foundation Fix Inc.

Foundation Fix Inc.

(35)
Exterior Waterproofing, Basement Wall Tiebacks, Interior Waterproofing
“I have had 2 cracks fixed by Sebastian and his son. After a couple years one of them leaked. I called them up and they fixed it immediately within a couple days. They were both polite, knowledgeable and respectful. They arrived on time and cleane...”
Family Business
Serving Welland Area
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WET AND Humid NO More Ltd.

WET AND Humid NO More Ltd.

(25)
Inside Waterproofing, Outside Waterproofing, Sump Pump Installation
“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 just had our steps repaired and resurfaced by TYBO. From start to finish, Ty was excellent to work with. He is punctual, dependable, honest and very knowledgeable. We love our new steps! 5 stars. ⭐⭐⭐⭐⭐ Positive Punctuality, Quality, Professionali...”
In Business Since 2013
Niagara Falls, ON
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McDowell Drain & Waterproofing

McDowell Drain & Waterproofing

(25)
Back Water Valve Installation, Clogged Drain Services, Trench-Less Sewer Replacement
“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 Welland Area
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Hoss Concrete

Hoss Concrete

(16)
  • Team
  • Driveway
  • Price
“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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K.r.s. Concrete Construction

K.r.s. Concrete Construction

(5)
Concrete Driveway, Stamped Concrete, Concrete Driveway Border
“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
Licensed
Free Initial Consultation
418 Mackan St, Thorold, ON L2V 1H2
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Mike Smith Re:j Schulz Wa

Mike Smith Re:j Schulz Wa

(4)
  • Price
  • The Office
  • Quote
“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
Free Initial Consultation
Family Business
197 Linwell Rd, St. Catharines, ON L2N 1X8
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Robson Foundations

Robson Foundations

(17)
  • Team
  • Quotes
  • Job
“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 Welland 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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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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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 Welland 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 Welland 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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LPJ Concrete Contractor

LPJ Concrete Contractor

(15)
  • Backyard
  • Price
  • Design
“LPJ did the concrete work around my newly installed in ground pool. The project included a large 12x24 pad for a gazebo beside the pool. The owner worked with the pool installers to ensure proper timing and the overall work was excellent. I was worr...”
In Business Since 2024
Transparent Fees & Pricing
Free Initial Consultation
Hamilton, ON
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Dryseal Concrete Solutions Inc.

Dryseal Concrete Solutions Inc.

(3)
Concrete Repair & Maintenance, Foundation Repair, Wet Basement 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 Welland Area
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Constructart Restoration & Repairs

Constructart Restoration & Repairs

(10)
Concrete, Facade Restoration and Improvement, Parging
“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 Welland Area
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Basement Waterproofing Services in Welland, ON Cost Estimates

Minimum cost
$841
Maximum cost
$16105
National Average
$6023
$2801
$9103
Fair price range is based on 270 cost profiles
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Average Cost $6023
Minimum cost $841
Maximum cost $16105

Fair range $2801 to $9103 is based on 270 cost profiles.

Why these companies made our list

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