Ron
5/14/2025
What a pleasure it was to work with Down Under Waterproofing. Walt the owner came out and explained what had to be done with my basement and was upfront with the price. The crew that worked on my...
Down Under Waterproofing
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274 Andover Pl
Trenton, NJ 08691
Down Under Waterproofing and Foundation Repair is a leading contractor in New Jersey and Eastern Pennsylvania, specializing in basement waterproofing, foundation repair, and construction restoration since 2006. With a strong reputation built on over 2,000 satisfied customers, the company prioritizes reliability, transparency, and the use of the latest technology to deliver effective, long-lasting solutions.
Offering a wide range of services, including foundation structural repair, crawl space encapsulation, and masonry repair, Down Under Waterproofing focuses on addressing the root of problems rather than just providing temporary fixes. Their commitment to customer satisfaction and on-time project completion has made them a trusted partner in ensuring homes remain safe and secure.
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Reviews
4.05 reviews
Wendy W.
4/13/2024
I called to ask for an estimate to repair a crack in the floor of my basement. Before the owner even entered the house, he started to talk about the fee to provide an estimate and wouldn't proceed...
Juliana M.
10/26/2022
Down Under Waterproofing stabilized a bowing wall in my basement and also installed a french drain and sump pump. Walt Gurl was a pleasure to work with. He's knowledgeable, fair, and a great...
Science F.
3/8/2023
What a delight it has been to work with this company. The first bulkhead door they installed turned out to have a defective paint coating and was rusting. I managed to get a replacement from the...
Gina C.
12/10/2018
These guys are great! Very efficient and clean. They did a french drain and sump pump for us and everything was completed on time and as promised. Very good group of workers.
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