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    Exterior Waterproofing Experts

    4.7 (34 reviews)
    Closed 9:00 am - 5:00 pm
    Updated over 3 months ago

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    4 hours

    Response rate

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    Services - Exterior Waterproofing Experts

    Foundation construction

    Foundation repair

    Foundation replacement

    7 More Services

    Moisture or vapor barrier installation

    Moisture control installation

    Moisture control repair

    Sump pump installation

    Sump pump repair

    Waterproofing installation

    Waterproofing repair

    Exterior Waterproofing Experts Photos

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    Niki W.

    Evan and his team did an amazing job. I noticed I had water coming into my basement this summer. After conducting a lot of research I contacted Exterior Waterproofing Experts; a division of Clifton Contracting. Evan came out to asses the damage and determine the cause. He thought he found the issue, but did advise he wasn't 100% sure, but wanted to start with the first plan as it was much cheaper and did not want to unnecessarily overdue what would be needed. I appreciated his honesty. Unfortunately, the initial resolution did not correct the problem. After re-contacting Evan we determined a full excavation would be necessary. The project was slated for 2 days and the team was great. They worked diligently on the first day and were having trouble finding the cause of the leak. They refused to leave until they found it and right before it got real dark and after digging probably 12 feet, they found that the entry was at the very bottom of my foundation where it met the ground and poured footing. Even better was that Evan through in additional buried drainage on my neighbors simply because it was in the best interest of our property to keep away further water erosion next to the foundation. This was not part of the original project quote. My neighbor's yard and mine were completely torn up. But I knew that the contract stated they would be everything (plants, shrubs, landscaping, etc.) back as it was before the work so I had my fingers crossed. After the team completely all the necessary restoration work on the second day, their clean up work was immaculate. You could not tell that it looked anything like it did before. The work was extra hard due to heavy clay soil and the depth that it took to find the damage, but the guys were great and got it all completed in the planned 2 days.

    Evan's team at work
    Ashleigh P.

    These guys were the light at the end of a several year tunnel of our basement stairwell drain getting overwhelmed and flooding in our home. We had rigged a very unsightly tarp/plywood contraption to keep the water our thinking the cost of a permanent solution would be out of reach right now. Wrong! We were so shocked at the fast and affordable estimate we received. Evan assured us they had done dozens of stairwell projects just like ours. He worked quickly to come up with a solution and the price tag was about 1/5 of what we had in our heads for a solution. A few days after the job was done (removed existing drain, installed a basin and 4" pipe running 35 feet graded down to the corner of the property) we had a series of torrential down pours day after day. And the drain held! No water in the basement! I can sleep at night now not worried about our basement flooding and I'm not embarrassed to have neighbors see our stairwell previously covered in a very ugly lean to contraption. Highly recommend Evan and his team.

    Drywell Hole Dug
    Joe M.

    I am thrilled with the job Exterior Waterproofing Experts did! I was required by my city to install a drywell in my front yard. Evan came by and gave a reasonable estimate and promised his team would have my yard looking perfect afterward. The team showed up exactly on time. They were friendly and knew what they were doing. The project went extremely smooth. I was surprised to see when they finished they spread grass in the areas where the yard had been damaged - that was going above and beyond! Overall I was very happy with the entire project and the quality of their work. If I have another drainage project there wouldn't be anyone else I would call.

    James L.

    Evan and his crew came out to even out the grade in our front and back yard. Evan gave me a great price for the work. They removed existing plants, added dirt, fixed the grade, added plants, and added mulch. His crew was on time and hard working. Highly recommend!

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    Ask the Community - Exterior Waterproofing Experts

    Review Highlights - Exterior Waterproofing Experts

    Evan and his team did an incredible job fixing a water issue we had for nearly 10 years in our Alexandria Verizon Retail location.

    Mentioned in 23 reviews

    Read more highlights

    Basement Masters Waterproofing

    Basement Masters Waterproofing

    (18 reviews)

    after much searching, I found Basement Masters. So happy I did. Long story, short...I have a…read more French drain in my basement that appears to have a leak. System has lifetime warranty, but the company who installed it many years ago suggested I have a plumber and a foundation specialist check it out before they come. If not there their issue under the warranty, there's a hefty charge. I contacted Randall, the owner of Basement Masters, who came out promptly, looked at old system, discussed concerns with warranty coverage I might encounter, and found no foundation cracks. He kindly offered to have me call him after the old company comes out to assess the issue. All done for no charge. You'll not do business with a more honest, reliable company. I highly recommend Basement Masters and Randall ,

    We had water in our basement and couldn't identify the source. We had one other basement…read morewaterproofer in to help diagnose and he tried to scare and sell us a bunch of stuff without even confirming the problem. I called BMW and Leah reassured me that they would make sure the problem was indeed related to water intrusion -- she asked lots of questions and I sent photos over and she told me she didn't think it was the problem. We finally found that a drain pipe coupling had failed. I was grateful that Leah was so honest and helpful at a time when we were really stressed out. In the end, we did not need BMW to do a job for us, but in the future I would not hesitate to reach out if we needed help with basement moisture.

    Triad Basement Waterproofing

    Triad Basement Waterproofing

    (28 reviews)

    Triad Basement Waterproofing recently installed a Basement Relief System to address water pressure…read moreand flooding beneath my basement floor and behind walls during heavy rains. Mike DeGirolamo - the owner - during his assessment provided step-by-step explanation of what needed to be done to address this issue. He was very thorough and clear in his explanations. He did not try to 'upsell' or include items that were not necessary. Prior to work starting a timeline was provided. Timeline detailed team arriving over the course of 3 days and what to expect during this time. The Triad team - Michael, Justin and Roberto - arrived as scheduled on their assigned days. Before starting work for that day they again went over every detail of what they would be doing. Master plumber Justin Dorrier was amazing in his handling of the plumbing side of this process. His attention to detail and explanations clearly showed his professionalism and knowledge as a master plumber. I did much research and obtained multiple estimates from about 5-6 different waterproofing companies before selecting Triad. Triad was by far the company I was most impressed with. I highly recoommend Triad Basement and Waterproofing if you have any waterproofing needs. They are all (Mike, Tracey, Michael, Justin and Roberto) true professionals at what they do and were a pleasure to work with --- I wish I could give them 10 stars! Thank-you Triad Team!

    We hired Triad to install a sump pump for our basement stairwell. Mike and his team were a pleasure…read moreto work with, and the work itself was neatly done. We encountered only one hiccup during the job -- the crew accidentally left our basement freezer unplugged before leaving, ruining a lot of our groceries. But Mike was incredibly gracious when we reached out to him, responding to us on a weekend morning with a generous offer to make it right. We really appreciated his willingness to take responsibility and to stand behind his work. If we ever need waterproofing help again, we won't hesitate to call Triad.

    DMV Foundation Solutions

    DMV Foundation Solutions

    (7 reviews)

    Late in the summer of '24, we started to see a few cracks developing in our home. No big deal -…read moreit's 70+ years old, cracks happen. And then they kept happening, getting larger and spreading throughout the entirety of the house, and we could no longer open the doors in the basement and 1st floor on the south side of the house. Alarmed, I called a civil engineer and had an assessment done. They ascertained our house was sinking, particularly in one corner, and recommended ~30 push piers around the perimeter and up the centerline of the house... for over $100k. I literally laughed at him and asked him who he thought I was that he thought I could afford that. I called a few other places and got questionable assessments, and then I spoke with Yos from DMV. What a breath of fresh air. He was personable and honest. He recommended we get a 3rd party civil engineer to produce a report with drawings that I could use for any foundation company - even if I didn't go with DMV. We (finally, after a loooong delay on the civil engineer's part) got the report and drawings, and Yos and his team began work in early January to install ~10 helical piers on the sinking corner of the house. It was a pretty invasive project, but his team was fantastic. Fast forward 5 months and the cracks have stopped appearing, with a number of them even closing. We are very satisfied with the work DMV did for us, and are particularly pleased with their honesty. Where one company tried to sell us an overkill solution for six figures, Yos was upfront and told us what we really need - to address that affected area and revisit others if they end up being an issue - for roughly a quarter of the other company's price. That sort of honesty and pricing earns a permanent spot in my trusted contractor list.

    It was a pleasure to work with DMV Foundation Solutions & they truly provided high-quality customer…read moreservice. From the initial phone call with Logan, to the consultation with Yos, they listened to our concerns/requests & communicated things clearly. Yos was punctual, friendly, and efficient in his evaluation. He generated a detailed report outlining his professional opinion regarding minor cracks in our poured concrete foundation wall & even provided recommendations for preventative maintenance. Five stars!

    NV Waterproofing & Foundation Repair - NV Waterproofing and Foundation Repair

    NV Waterproofing & Foundation Repair

    (61 reviews)

    From the easily arranged estimate by a very professional Maurizio to an impeccable install by…read moreMiguel on New Years Eve Day we highly recommend with the greatest confidence hiring NVWaterproofing to install a new sump pump in our finished basement. They can provide any solution to your concerns and help you decide financially your best option. We trust this amazing group . Miguel worked for hours and cleaned up perfectly. He was so professional !

    Working with NV Waterproofing was a disappointment from start to finish, and I wish I'd trusted my…read moreinstinct multiple times throughout the process when the red flags popped up. The initial sales person was a classic over-seller and promised the world while simultaneously doing a very surface-level review of the situation, ultimately concluding that we were in need of an indoor water mitigation system and sump pump. The sales process was tortured, over-the-top, and ended with the classic "same-day-only discount" proposal (red flag number 1). The scheduling process and lead-up to the project was radio-silent with no preparation on what to do or what to expect from the project manager or the sales person until I reached out proactively. I had to call the morning the project was set to begin to even know if they were coming or not (red flag number 2). The project itself eventually began and within less than an hour it became obvious the source of the leak was in fact a burst pipe and not ground water coming in through the basement. I called the office and put a stop order on the work at which point they immediately became very cagey about what options were available to me and from this point on once again went radio silent (red flag number 3). Upon reaching out to the office multiple times (via both email and phone) to address the issue and seek at least a partial refund of our deposit for the issue, they took 3+ days to even respond, and when they did, claimed that despite obvious pictures pointing to the pipe being the issue, it could have been ground water at the same time and they were unable to provide any refund of any kind (red flag number 4). I get that I signed a contract. I get that they planned and scheduled the work. I also now have learned an expensive lesson about trusting my gut and being more proactive about my concerns. But they're supposed to be the experts! And the fact that they took absolutely no responsibility for having done a poor assessment of the situation up-front and then pretended like they were actually still right about it was disappointing and embarrassing. I can't in good faith recommend working with this company to anyone.

    Premium Drainage & Erosion Solutions

    Premium Drainage & Erosion Solutions

    (54 reviews)

    I wish I could give Adrian and his crew at Premium Drainage & Erosion Solutions more than 5 stars!…read moreThey were amazing and went above and beyond expectations. Adrian and his crew built a beautiful retaining wall along with a safe play pad/area for my grandchildren's playset. In the course of working on these drainage and erosion projects Adrian had the crew work on several other parts of my backyard that weren't even part of original agreed upon work. They put steps down into the play pad area for me since I have a mobility issue, they put down a steppingstone path and cleared an old fallen tree root ball with their mini excavator. When all the work was done ahead of schedule Adrian and his team continued to work hard to clean up the entire job site. I highly recommend Premium Drainage & Erosion Solutions and have already talked to Adrian about scheduling our next big project!

    Definitely 5 stars for Adrian Gomez and his crew. I had a major standing drainage issue in my side…read moreyard that turned into a muddy mess each time it rained. Premium Drainage & Erosion Solution came out, assessed the problem and installed a French drainage system. Professional, tidy, and worth every penny. Drainage work can be messy and they were incredibly respectful of my yard and kept the site clean every day. They took the time to explain the work and exactly where the drainage points would be. They didn't just throw gravel in a trench; they engineered a real solution. If you want the job done right, hire these guys! Great communication and the crew was very hardworking, professional and did excellent work - such a pleasure which is not common these days. They come HIGHLY recommended and I would definitely hire them again!

    Exterior Waterproofing Experts - waterproofing - Updated May 2026

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