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TRUSTED BY CORNELIUS, NC HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon185
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Cornelius

Avatar for Sealtech Waterproofing
Sealtech Waterproofing
4.9(
54
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Cornelius, NC and surrounding areas

Approved

In business since 2015

Free estimates

Offers commercial services

"If you want to have your foundation waterproofing job done the right way, then I recommend that you have Dani and Sealtech Waterproofing take care of the project for you. They are extremely honest, hardworking, skilled and professional. When I had their work inspected by the County Building Department, the inspector termed their quality of work as "outstanding". After waterproofing I also had them backfill the foundation which was also performed to the same high standards. Everything was completed at a cost that was more than fair. I first contacted Sealtech because of the good reviews I had read about them, but now I'm happy to make the same kind of recommendation based on my own personal experience."
Logo
Project photos
Project photos
Project photos
Project photos

+19

Response time2 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
512
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Cornelius, NC and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1999

Free estimates

Warranties offered

"We recently experienced water intrusion in our finished basement, and Dry-Pro Foundation and Crawlspace of Charlotte provided an excellent long-term solution. From start to finish, the experience was professional, informative, and stress-free. Tyler from the sales team was outstanding—he walked us through the problem and solution options in great detail and maintained great communication throughout the process leading up to the installation. We never felt uninformed or uncertain about what to expect. He also recommended a contractor to help put everything back together after the waterproofing was finished, which was a huge help. Once the installation started, Marco, the foreman, and his crew—Alejandro and Cesar—were excellent. Marco kept us well-informed every step, explaining what would happen each day and making sure the work progressed smoothly. Alejandro and Cesar were friendly, hardworking, and paid close attention to details. Despite all the heavy equipment involved (jackhammers, drills, and more), the team made sure everything was cleaned up before leaving. The project was completed on time, and we now feel confident that our basement is properly protected. In fact, the day after the work was finished, we had a storm that dropped over 4 inches of rain in under 2 hours—and the system worked exactly as designed, pumping water without a drop inside. We highly recommend Dry-Pro for anyone needing basement or crawlspace work—professional, thorough, and reliable from beginning to end."
Basement
Basement
Basement
Concrete
Concrete

+16

Response time3 days
182 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Falcone Crawl Space & Structural Repair
Falcone Crawl Space & Structural Repair
4.6(
685
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Cornelius, NC and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"I will start by saying that the work they did waterproofing our basement looks good, and I am hopeful that it has fixed our problem. We've had a good bit of rain recently, and so far, so good. That, of course, is the most important thing. That said, I chose this company, even though they were on the high range of the quotes I received, because I did not mind paying more for a professional experience and great customer service. I was disappointed with this aspect of the experience. The day they were scheduled to begin they never showed up, and I ended up calling them three times that day. The woman in the office was responsive, but she said that they did not know where they were. The next scheduled appointment was for the morning, and they did not end up coming until 2pm, again without any communication. Both instances were due to car issues, but a phone call to keep me updated would have been appreciated to allow me to better plan my day. When they did start the work the crew leader was friendly and appeared to know what he was doing, but he offered little information about the job unless I asked. Prior to the work being done, I also had to keep after the sales representative to put their warranty in writing. Twice he promised to email it to me, and only after contacting him a third time did he send it through. If I had not paid so much (over $11,000) I would have given them another star, but at this price point my expectations were high."
Band Replacement
Pier Installation
Vapor Barrier
Drop Girger and Pier Installation
Interior French Drain

+171

Response time1 day
36 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for DrainGuardPro Inspections Systems LLC
DrainGuardPro Inspections Systems LLC
5.0(
3
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cornelius, NC and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

DrainGuardPro Inspections Systems LLC has built an excellent reputation for customer satisfaction by providing quick estimates, great attention to detail, and competitive pricing. We service both residential and commercial properties. We give you the peace of mind you need to give your home the attention it deserves. Call us today and let's get started!

Crawl Space
Crawl Space
Crawl Space
4 neighbors recently requested a quote
Avatar for Insulation For All, LLC
Insulation For All, LLC
4.8(
46
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cornelius, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"A great group of folks - professional, courteous, friendly, and thorough. What more could one ask for? They 'upgraded' the insulation in my attic, and discovered and addressed a couple of problems I was not aware of. Great job! I'll refer you to all my friends. It's good to know that you also do crawlspace/basement encapsulation."
eShield
Attic air sealing
Blown in insulation
Metal Garage
Metal Building

+13

Response time10 hrs
Response rate100%
187 neighbors recently requested a quote
Avatar for Dry Otter Waterproofing
Dry Otter Waterproofing
4.0(
23
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - Install

Serving Cornelius, NC and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Here at Dry Otter Waterproofing, Inc., we specialize in all of your below-grade waterproofing needs as well as foundation repair needs. Anything from a full encapsulation, to sump pump installations to structural repairs. A home is your largest investment, let us protect it for you. Give us a call today at 704-966-1771.

Basement Waterproofing
Basement Drainage
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing

+19

Response time11 hrs
38 neighbors recently requested a quote
Recommended by57%of homeowners
Avatar for WyattWorks Plumbing
WyattWorks Plumbing
4.6(
58
)
Basement Drainage Channels - Install

Serving Cornelius, NC and surrounding areas

Approved (Corporate)

In business since 1979

Emergency services offered

Warranties offered

"Having owned four different houses the past 16 years, this was hands down the best experience with a plumber... ever. We hired WyattWorks to install a laundry sink (the stainless over cabinet kind) which required drilling through the floor to tie-in with supply and drain pipes in our basement. Jeremy performed the work flawlessly and was a true pro: measure and recheck, plan and dry fit, and clean up the work area during and after. The whole process from start to finish was painless!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time10 hrs
4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Flood Medics Restoration, LLC.
Flood Medics Restoration, LLC.
5.0(
6
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cornelius, NC and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Called Flood Medics to repair water damage behind hot water heater & bathroom.. David came & explained step by step on what the process was.. Kevin & Leander came promptly and worked diligently with covering up house items while they cleaned up & removed the wet walls? All 3 of these gentlemen were very professional, kind and courteous. Would highly recommend this company to anyone?"
Project
Project
Project
Project
Project

+3

12 neighbors recently requested a quote
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Basement Waterproofing questions, answered by experts

If foundation problems are not fixed, they will likely worsen over time, leading to more complex and expensive repairs. Neglecting a damaged foundation can cause a range of issues, including:

  • Structural Damage: Minor problems like small cracks can escalate into major structural issues. This can damage the house above the foundation and, in severe cases, lead to foundation walls caving in or a total collapse.

  • Water Damage and Pests: Moisture and water intrusion can cause flooding, mold growth, and pest infestations.

  • Health and Safety Risks: Mold can lead to poor indoor air quality and other health risks, while structural instability poses a significant safety hazard.

  • Reduced Home Efficiency: A compromised foundation can negatively impact your home's energy efficiency.

To avoid these escalating problems and costs, it's best to hire a foundation repair company to address any issues as soon as you become aware of them. The earlier problems are discovered and fixed, the lower the repair cost will likely be.

It’s not the number of weep holes that should be of concern to builders but rather their spacing. Weep holes are usually spaced anywhere between 16 inches on center when using round tubes or wicking materials and 24 inches on center when using open-head joints. This is a more conservative spacing than the 33-inch maximum spacing on center that’s mentioned in the International Residential Code. All in all, the total number of weep holes a brick exterior should have will depend on the size of the structure.

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

As the first layer of water protection for your roof deck and the building materials below, underlayment is designed to prevent water damage, so it’s okay if it gets wet. However, you shouldn’t rely solely on underlayment for protection. If rain interrupts your roof project and you have all of the underlayment down, you’ll likely be fine, but you should install shingles over that layer as soon as possible, as long-term exposure can lead to water damage.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

The Cornelius, NC homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.