About Us


Waterproofing One located in Phonenixville, Chester County PA delivers excellence, proficiency, and professional results. It is from great results that we find the fulfillment of our business goals. When you choose to work with us, you will expect to work with a company that truly cares about your objectives, time, and spending plan.

We understand how important it is for our clients to trust us. Our clients depend on us to be ethical, reliable and responsible. We have a track record of integrity, expertise and customer satisfaction.



Best Professionals and Top Notch Service


Our dedication to quality services is proven when clients are happy about the results and when more than half of our ongoing businesses are from client referrals. We give importance to the relationship we establish with our clients and they trust our commitment to work excellence, budget, and schedule. We make sure our clients get expected results; we look at their satisfaction as the cornerstone of our success.

We pay attention to the smallest details of the projects we work on. We offer honest and competitive pricing without compromising on quality of service. From roofing, basement waterproofing, water damage repair, and water restoration projects, down to other general contractor services, you can expect great results from us.

129 Reviews

Reviews From and more

Chris & Tasha Pronsati
August 03, 2019
We had a horrible experience with this company. There were multiple issues with the scheduling/estimate including no shows and misscommunications with subcontractors doing the work. It took several weeks and the threat of a lawsuit to get the job done. Joe the owner was very h ...
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William Davis
July 16, 2019
I accidentally left my outside faucet on for several hours and discovered some water in the basement the next day. After several weeks I decided I should check with an expert on basements in order to insure I hadn’t created a bigger problem, but primarily for peace of mind. ...
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Maria Fegely
June 06, 2019
Waterproofing One is a company I highly recommend. I was impressed from my first call to set up the inspection, the inspector who came out to quote the job, to all who worked the job. Everyone was courteous, on time, worked hard, and cleaned up after themselves. The work was com ...
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Sue S
May 30, 2019
Waterproofing One definitely stands behind their work. We had a problem with water in the basement and the team came out to assess the problem. They put in a new drain and repaired the foundation crack. Unfortunately, the original fix didn't work and they had to return a secon ...
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Lisa Petry
May 11, 2019
Thanks for coming to the rescue so fast after a freak flood in our basement. We are selling our home & wanted to ensure this situation will never happen to the next owners- it’s better than when we lived there for 26 years! They told us what we needed, working in the rai ...
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michael strollo
May 08, 2019
We hired Mike Famous with Waterproofing One for foundation work as he came to our jobsite to inspect and give his opinion before even giving a quote, which was very helpful. The quote came back at a fair price and we decided to move forward with his company. During the set up pro ...
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Jordan Chesney
April 30, 2019
Dave Cook came out to perform an estimate in my basement for the installation of an egress window. The price was not only competitive, but the best out of the 5 quotes that I received. Dave was extremely knowledgeable not only about the egress work, but about all of the work invo ...
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wes tome
January 15, 2019
Excellent company and workmanship! Joe Soster thoroughly explained his assessment and solution for our basement leak. His crew was professional, did a great job and cleaned up upon completion! Very pleased with Waterproofing One!
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Mike Bergey
January 13, 2019
Wow! WaterproofingOne great job. No more wet, mold and angst. We had water coming in thru the walls and floor. The mold was on the drywall and rugs. Mike the General Manager came out to help after we said we needed a Saturday appointment. He took maybe 45 minutes and explaine ...
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Danile Post
January 06, 2019
I was promised to write this review a few years ago and should have done so . You guys were great and thanks a lot.
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Jerry Davis
December 16, 2018
You did as promised and we are very pleased with the end result. No darn water anymore in the basement after all these years. Thanks
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(800) 508-4144

Waterproofing One

4093 Hollow Rd
Phoenixville, PA 19460

Serving Pennsylvania, New Jersey and Delaware

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Pa Lic#: Pa057647
NJ Lic#: 13VH09291700
DE Lic#: 17-92051-13-000