Cottrell Basement Waterproofing
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Getting your wet basement fixed and dry is critical not only to the health of your home but also to the health of your family. Our basement waterproofing experts are here to help. For the very best in Foundation Repair, you can trust Cottrell Basement Waterproofing to do the job right. Our foundation repair contractors are also masonry contractors skilled in foundation construction.

We live in our home for about 20yrs. It seem that over the last couple of years that the rains seemed to increase. We have a waterproofing system with a sump pump in place. Our sump pump was breaking down and not keeping up with the ground water causing issues of flooding. We called Denny and he suggested to dig a deeper and put a other pit in with two pumps.
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I'm Denny Cottrell, Jr. -CEO of Cottrell Basement Waterproofing LLC. Over the years we have listened to our customers talk and complain about how their own basement flooded and cost them a lot of money to repair. We designed a system, that once is in place, takes all the guess work and 'what ifs' out of the equation.
Cottrell Basement Waterproofing is a team of professional foundation contractors dedicated to providing customers with affordable foundation repair and basement waterproofing services. Our foundation experts provide over 22 years of experience, superior workmanship, the best prices in Pensylvania, and lifetime guarantees.
Get more for less when you contact Cottrell Basement Waterproofing. Serving central Pennsylvania and the York area, we're dedicated to providing our customers with affordable basement waterproofing services including foundation repair, basement waterproofing systems, mold removal, sump pump installation and more.
Call Cottrell Basement Waterproofing for complete basement waterproofing services, foundation repair, and mold removal. Getting your wet basement fixed and dry is critical not only to the health of your home but also to the health of your family. Cottrell Basement Waterproofing are the foundation experts to trust when it comes to getting the job done right.
Do you need to fix a leaky foundation problem? Are you tired of the wet basement smell? Are you worried about a moldy basement causing health issues? You should be! Cottrell Basement Waterproofing are experts in both interior and exterior foundation waterproofing.

With over 22 years of experience, Cottrell Basement Waterproofing company provides the most thorough, effective foundation waterproofing service in York, Harrisburg, Lancaster and surrounding areas of central Pennsylvania.A straightforward and affordable solution to a wet basement issue is foundation waterproofing.
Reviews (10)
Aprielle Slajchert
Aprielle Slajchert
Oct 08, 2021
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Returned my phone call. Estimate was explained and very clear...my dog even liked the estimator, lol. My husband is totally on board to get the job done and never have to worry about water damage again. I lost so many valuable treasures. I feel confident that I will never lose another item again due to a flooded basement. Can't wait for them to get started!
Sherry Lookofsky
Sherry Lookofsky
May 27, 2021
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Do not call this man unless you are ready to have the job done and have it done well. I messed around for years with my basement problem and finally decided to call a local waterproofing professional with a street address. Am I glad I did! Denny is knowledgeable and straightforward and easy to understand. His workers are polite, quiet, on-time, amazingly hard-working and did a beautiful job. It could not have gone better. Two thumbs up plus!
Bryan Stone
Bryan Stone
Apr 17, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
Had Denny, and his crew out to install an egress window for my house. What a great job. These guys were fast they hand dug the hole and kept my property clean. Speaking of clean these guys cleaned up so well you wouldn't know they were just there.
Kristin Gaynor
Kristin Gaynor
Feb 02, 2021
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We used Cottrell Basement Waterproofing to get a new sump pump and drainage system installed. Denny was awesome to work with and very helpful, making sure we understood exactly what was going to happen. The crew was very nice and efficient with their work. We are so thankful to have found this company when we were struggling with a basement that had water issues! I would definitely recommend to anyone considering water mitigation in the future.
Roy Walker
Roy Walker
Dec 20, 2019
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We’ve had water leaking into the unfinished area of our basement for several years. The water only found its way into our basement when it rained long and hard. I finally decided to go to the next level and have a system put in to alleviate the nagging problem, so I called Cottrell Basement Waterproofing and spoke with Denny. Denny came to my house and gave me a reasonable quote. He was very knowledgeable and professional. I accepted his offer and the work was completed in 2 days, just as he estimated. Virginia did the bulk of the work and wow what a great job she did, including jack hammering
Betsy Meckley
Betsy Meckley
Nov 01, 2019
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Cottrell Basement Waterproofing is a excellent company to do business with. I met with Denny Cottrell about the water I had in my basement. He took the time to assess the situation and completely explained what needed to be done to fix the issue in my basement. He also answered all my questions and gave me a reasonable price quote. I hired him on the spot and soon afterward got the job scheduled. The crew arrived at the scheduled time and worked VERY hard to get my job completed on schedule. I would also like to say...everyone was very kind and respectful.
Alan Harrison
Alan Harrison
Sep 15, 2019
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Cottrell Basement Waterproofing in my opinion is a highly recommended company that cares about what they do. it all starts at the top with Denny. Out of 3 companies that we contacted to get an estimate on waterproofing the basement, he was the only one that actually gave me a written quote. The other 2 companies never responded with any effort to provide a quote either written or by email. When he first came to look at the job, we decided to only waterproof half of the basement and we set a schedule for it to start. About 2 weeks after he visited, we experienced other water leaks in an area which
Scott Lobach
Scott Lobach
Jul 29, 2019
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I contacted Denny about my mothers basement which had water and mold issues for years. He came out and gave us a price and started a week later. The crew was excellent. They kept my mother updated on everything they were doing. Denny answered all questions we had during the whole process. While doing the work they discovered a foundation issue which needed attention. They also took care of that. Everyone was professional and hard working. The basement is already looking and smelling much better. The crew did a great job with clean up also. Her place looks as good if not better than when they started
Antoinette Smith
Antoinette Smith
Jul 10, 2019
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Basement Waterproofing Job in Schuylkill County:
I live on the top of a mountain about 2 hours away from Cottrell Basement Waterproofing headquarters. Living on top of a mountain did not make this an easy take for Denny or his crew. There was a lot more rock that needed to be dug out of my basement to do the job, they arrived daily on time without complaints and worked tirelessly to get this job done. No easy task! Denny and his crew were great throughout the whole process.
I did not hesitate to ask any question I had, Denny and the crew took all the time needed to explain the process to me.
Jennifer Garrett
Jennifer Garrett
Dec 12, 2018
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We purchased a home in November of 2017 and after removing the vast amounts of plastic that had been installed by the seller around the foundation of the house, we began experiencing seemingly endless quantities of water seepage into the unfinished basement during heavy rains. As young, first-time homeowners, we tackled this issue with gusto; we made improvements to the landscaping, installed new gutters, and placed gutter guards intended to eliminate flood-inducing clogs. These changes were essentially pointless for our purpose, as the water continued to seep in where the walls of the basement