Trusted Basement, Foundation & Crawlspace Waterproofing Contractors in Nepean, ON

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

Roofmaster Ottawa Inc.

Roofmaster Ottawa Inc.

(44)
Rooftop Snow & Ice Removal, Metal Roofing, Inspections
“I recently had a skylight replaced and was really happy with my experience with Roofmaster. Lisa was very pleasant, professional, and accomodating. The on-site staff were also pleasant and professional and the quote was quite reasonable. I wouldn'...”
Family Business
Free Initial Consultation
Offers Financing Options
Licensed, BBB Accredited
163 MacFarlane Rd, Nepean, ON K2E 6V4
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EC Foundations

EC Foundations

(34)
Crack Repair, Foundation Waterproofing, Restoration
“From start to finish (phone call, estimate, job done and follow up) this company by far has been the best contracting company I have ever dealt with. Honesty, reliable, great work and a very competitive price only begin to do this company justice. Sh...”
In Business Since 2020
81 Auriga Dr Unit #8, Nepean, ON K2E 7Y5
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Dr. Pipe Drain and Plumbing

Dr. Pipe Drain and Plumbing

(29)
  • Basement
  • Quote
  • Excavation
“Very friendly people to talk to. After fixing we figured out another problem and the company was more than happy to help again and responded quickly. Great company over all”
Transparent Fees & Pricing
Emergency Services
Licensed
In Business Since 2017
168 Point Prim Cres, Nepean, ON K2J 6P6
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Ottawa Foundation Inc.

Ottawa Foundation Inc.

(2)
Structural Repairs, Foundation Cracks Repair, Waterproofing
“We were really happy with the work completed. Rado and his team were friendly, efficient, and did a great job on our foundation. He explained everything very well and things answered all of our questions. Great rate as well.”
Free Initial Consultation
In Business Since 2008
42 Antares Dr, Nepean, ON K2E 7Y4
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Tierney Foundation Repair

Tierney Foundation Repair

(1)
“Had a great experience with both the owner and their staff! Such a great and friendly company! Thank you Sam.”
In Business Since 2018
3 Fairfield St, Nepean, ON K2H 5J7
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Fanpol

Fanpol

120 Deercroft Ave, Nepean, ON K2J 5H7
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Summit Drain & Plumbing Ottawa

Summit Drain & Plumbing Ottawa

(50)
Poly B Plumbing, Basement Waterproofing, Window Well Installation
“I used service from summit drain several times. Artem and his crew was very helpful and service was reasonable priced. I can recommend this company for your needs.”
Locally Owned & Operated
Free Initial Consultation
Transparent Fees & Pricing
Licensed
70 McDermot Ct, Kanata, ON K2L 3V5
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Foundation Repair Action Restoration

Foundation Repair Action Restoration

(48)
Old & New Bricks and Cement Blocks Repair, House Foundation Lifting, Garage, Windows and Doors Installation
“Patrick and his team did the fantastic job on the repair od our foundation. His knowledge and expertise made us assured us we were in good hands. I would highly recommend him to anyone looking for foundation repairs.”
Free Initial Consultation
Emergency Services
Licensed, BBB Accredited
Serving Nepean Area
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Wolfenburg Roofing

Wolfenburg Roofing

(48)
Residential Roofing, Commercial Roofing
“Wolfenburg replaced our flat roof with a sloped, insulated system. Jamil was a pleasure to deal with and our foreman Jeff and his crew were courteous and conscientious crafts people who did top quality work despite the sub-zero temps.”
Free Initial Consultation
Offers Financing Options
Licensed
Serving Nepean Area
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The Foundation Guys Inc.

The Foundation Guys Inc.

(40)
Raindrop Gutter Guards, Crawl Space Repair, Basement Waterproofing
“I had RADON gas mitigation system installed by The Foundation Guys...they were extremely professional from the time they first arrived to the time the door closed behind them when they left. I would not hesitate to recommend these guys to install a R...”
Free Initial Consultation
Offers Financing Options
Licensed, BBB Accredited
In Business Since 2015
Serving Nepean Area
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Black Tar Construction

Black Tar Construction

(40)
Renovations & Home Services, Concrete Driveway Installation, Excavation and Grading
“Very sparce single application, had to insist for a 2nd coat which we got with great difficulty. Still not as good as we were expecting for the price and promises made. Update - the company has excellent customer satisfaction policies. They reache...”
Free Initial Consultation
890 Churchill Ave. S, Ottawa, ON K1Z 5H2
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Cody Building Services

Cody Building Services

(45)
  • Washing
  • Pricing
  • Company
“The team at Cody Building Services are very professional, courteous, knowledgeable and efficient. We have used their services at the hotel for a number of years and have always been pleased with the work they have performed.”
Free Initial Consultation
In Business Since 2015
Serving Nepean Area
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City Residential Foundation Repair Ottawa

City Residential Foundation Repair Ottawa

(49)
Waterproofing, Sump Pump Installation, Crack Injection
“I was completely satisfied with the work Chuck Naish did for me on the foundation of my home. He did the work himself which really pleased me because he is a hard worker and is very knowledgeable in his work. He was totally professional. He left...”
Free Initial Consultation
Licensed
Serving Nepean Area
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Ardel Concrete Services

Ardel Concrete Services

(23)
Foundation Repair Ottawa, Weeping Tile Repair, Window Well Repair Ottawa
“Words can not describe how thankful my wife and I are with Steve and Tim from Ardel Concrete Service. Steve came in last week, accessed the issue and booked us for today. I was expecting them to make a mess (because of the nature of the job). To my s...”
Family Business
Free Initial Consultation
In Business Since 1999
8435 Copeland Rd, Ottawa, ON K0A 1B0
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Ottawa Foundation Repair

Ottawa Foundation Repair

(48)
  • Quality
  • Job
  • Leaking
“Yousef is awesome!!! He answered all of my questions and did an amazing with the two cracks in my basement. It's not damp anymore... yay! He even gave me lots of additional information about how my foundation was poured. Extremely professional.”
In Business Since 2013
Serving Nepean Area
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Alba Home Services

Alba Home Services

(21)
Siding, Renovations, Windows
“I have a roof leak from last night's rain storm. Fairly new roof, changed in the summer of 2018. After a friend's referral I called the owner, Dan. He was honest in conversation and advised me to request the original roofer who could fix the leak fas...”
Free Initial Consultation
In Business Since 2005
300 Earl Grey Dr, Kanata, ON K2T 1B8
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Renco Home Improvements

Renco Home Improvements

(32)
Basement Renovations, Foundation Inspections, Waterproofing Basements
“Fixed my basement foundation. Found them to be fast, responsive, polite, work done exactly as described, no surprises that I needed to pay extra for. Owner (Terry) gave an honest assessment of work required, and delivered with high quality. Highly re...”
Free Initial Consultation
Serving Nepean Area
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Forever Masonry Inc

Forever Masonry Inc

(24)
  • Projects
  • Team
  • Chimney
“Anton and his team did a spectacular job at paving and creating a new concrete and natural stone driveway. The crew added a set of ramps for my mother with a physical disability . His team helped me customize the driveway to my exact desire. They tre...”
Free Initial Consultation
Licensed
In Business Since 2015
Serving Nepean Area
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Foundation Repair Ottawa

Foundation Repair Ottawa

(2)
“Technology”
Free Initial Consultation
Emergency Services
In Business Since 2012
Serving Nepean Area
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Foundation Service Ottawa

Foundation Service Ottawa

(10)
Concrete Block Replacement, Confined Space Excavation, Structural Repair
“Positive: High quality workmanship, Professional, Project completed within time frame and on budget, responsible. I had issues with my foundation and Mr. Martin answered all my inquiries. I would definitely recommend Mr Martin, and his staff memb...”
Free Initial Consultation
Emergency Services
In Business Since 2013
Serving Nepean Area
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Bellai Frères Construction Ltée

Bellai Frères Construction Ltée

(8)
“Very proud to be part of this community!!”
RBQ #8264
30 Rue Adrien-Robert, Gatineau, QC J8Y 3S2
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Above Water Inc.

Above Water Inc.

(4)
Underpinning, Foundation Crack Repair, Window Wells
“Very professional approach from start to finish. Thank you very much guys for the great work. Finally our 70 year old block foundation is bone dry and structurally restored.”
Family Business
Serving Nepean Area
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Duron Excavation & Fils

Duron Excavation & Fils

(16)
  • Price
  • Service
  • Team
“Couldn't be happier with the work done at my house. Maxime, Gab, Sammy, and Ben went far and beyond working at my house. I would not be able to write enough good things. I recommend them to anyone. Thank you! From Tony and Ashley”
Licensed
In Business Since 2015
Serving Nepean Area
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Bencorp Construction

Bencorp Construction

(3)
“Nicest people ever.”
1548-A Raven Ave, Ottawa, ON K1Z 7Y9
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Basement Waterproofing Services in Nepean, ON Cost Estimates

Minimum cost
$685
Maximum cost
$13128
National Average
$4909
$2283
$7420
Typical price range is based on 284 cost profiles
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Average Cost $4909
Minimum cost $685
Maximum cost $13128

Typical range $2283 to $7420 is based on 284 cost profiles.

Why these companies made our list

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