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Best basement waterproofing pros near Warren, NJ

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  • Verified reviews icon89
    Verified basement waterproofing services reviews

Top-Rated Basement waterproofing pros in Warren - Updated Nov 2026

Avatar for American A-1 Waterproofing
American A-1 Waterproofing
4.7(
148
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Warren, NJ and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"We recently had our basement waterproofed by the American A-1 Waterproofing Company, and I couldn't be happier with the job they did. From start to finish, the team at American A-1 Waterproofing was professional, knowledgeable, and dedicated to ensuring that my basement would be completely waterproof. First, the team came out to assess my basement and provide me with a detailed estimate of the work that needed to be done. They took the time to explain the process to me, answer my questions, and address any concerns I had. I felt like they really listened to my needs and customized their approach to fit my specific situation. Once the work began, the team was punctual, respectful, and efficient. They took great care to protect our home and belongings, and they kept us updated throughout the process. They worked quickly but thoroughly, and we were impressed by their attention to detail. The waterproofing work itself was top-notch. The team used high-quality materials and techniques to ensure that every nook and cranny of my basement was completely sealed and protected from water damage. They also installed 3 sump pump and created a French drain to further safeguard our home. A-1 did a great job waterproofing our flooded and leaking basement. They kept coming back as bigger rainstorms showed smaller leaks and waterproofed the inside and outside until stayed dry. Overall, I highly recommend American A-1 Waterproofing for anyone in need of basement waterproofing services. They are professional, knowledgeable, and dedicated to ensuring customer satisfaction. Thanks to their hard work, I now have a safe and dry basement that I can enjoy for years to come!"
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+14

Response time3 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Absolute Waterproofing and Renovation, LLC
Absolute Waterproofing and Renovation, LLC
4.8(
190
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Warren, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Lou and his team at Absolute Waterproofing are hard working professionals and they did an awesome job on our basement. Our basement had flooded and we needed mold remediation and waterproofing. We called Lou and he made a stressful situation a lot more easier to deal with. He let us know step by step everything that needed to be done and he was very responsive and answered all of our questions. We highly recommend them!!"
Drainage system
Structural renovations
Drainage system
Floor renovations
Drainage system

+48

Response time10 hrs
44 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Basement Gurus, LLC
Basement Gurus, LLC
4.8(
217
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Warren, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Warranties offered

"From start to finish this company gets things done the right way. I would highly recommend to anyone needing any type basement work done especially waterproofing. These guys are the best in the business! Thank you Basement Gurus for my dry basement."
100 Ft 4 inch HDPE to drywell
Concrete Replacement
Egress Installation
Walls After Wall Pin Installation
After Concrete has been removed

+339

Response time1 day
497 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Blue Umbrella Waterproofing, LLC
Blue Umbrella Waterproofing, LLC
4.9(
57
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Warren, NJ and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"3 2 1 5.0 (163) Reviews All french drain50 clean36 job34 sump pump31 +6 Sort by Most relevant Newest Highest Lowest Christian Camilo 20 reviews·11 photos 2 minutes ago NEW Positive: Professionalism, Punctuality, Quality, Responsiveness Steve the owner, Tony and Crew @ Blue Umbrella Waterproofing did excellent work. They Truly exceeded my expectation. Steve is extremely customer focused and ensures that his customers have a good understanding of why certain thing need to â ¦ More Photo 1 in review by Christian Camilo Photo 2 in review by Christian Camilo Photo 3 in review by Christian Camilo Photo 4 in review by Christian Camilo +2 David Kirsten 1 review·2 photos 3 weeks ago NEW Positive: Professionalism, Punctuality, Quality, Responsiveness, Value Steve the Owner, Tony & Crew @ Blue Umbrella Waterproofing did a fantastic job from start to finish and exceeded our expectations. â ¦ More Photo 1 in review by David Kirsten Photo 2 in review by David Kirsten Blue Umbrella Waterproofing (Owner) 3 weeks ago Thank you David for such a positive, and detailed review. It was a pleasure to serve you, and to waterproof your basement. If you or your neighbors ever need us in the future, we are always here to help. Dolly Rana 4 reviews·3 photos 4 months ago Service: Foundation repair Iâ m glad I picked Blue Umbrella out of 3 companies I consulted to address the water issue in my basement. Tony & the crew were on time. Tony reviewed with me what/how theyâ re going to do. A brand new sump pump was installed which I liked. â ¦ More Photo 1 in review by Dolly Rana Photo 2 in review by Dolly Rana Blue Umbrella Waterproofing (Owner) 4 months ago Hello Dolly. Thank you for speaking so warmly of Blue Umbrella and for recommending us. We appreciate you taking time to leave us a review and for complimenting Tony, Steve and the Crew. Rishi Athanikar 1 review a day ago NEW Positive: Professionalism, Punctuality, Quality Steve and the Blue Umbrella team did an outstanding job with our basement waterproofing project. Their professionalism was evident from start to finish, and they went above and beyond to ensure a thorough and meticulous job, and exceed our â ¦ More Blue Umbrella Waterproofing (Owner) a day ago Thank you for the review Rishi, and for recommending us. We are proud of the work we did and glad we could help you waterproof your basement. Christian Camilo 20 reviews·11 photos 2 minutes ago NEW Positive: Professionalism, Punctuality, Quality, Responsiveness Steve the owner, Tony and Crew @ Blue Umbrella Waterproofing did excellent work. They Truly exceeded my expectation. Steve is extremely customer focused and ensures that his customers have a good understanding of why certain thing need to be done and what they are going to do. The entire process was incredibly smooth, Steve was very detailed in explaining step by step what was happening, he constantly and consistently checked-in to ensure all work passed his quality check. I was impressed by the install, from the scrub down and sanitizing they gave the basement, to the quality of their materials, the additional drain by the door they provided at no extra charge, and last but not least a draining area for the dehumidifier which saves me the twice daily trip down to the basement. I looked at a few waterproofing companies, and am glad I choose Blue Umbrella Waterproofing. They were reliable, efficient, had high-quality standard, and lastly upfront and honest. I would recommend them for any waterproofing needs."
OUR WORK
CARBON FIBER STRAP
Response time2 days
Response rate100%
8 neighbors recently requested a quote
Avatar for Quality 1st Basement Systems
Quality 1st Basement Systems
4.4(
313
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Warren, NJ and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"I used this company first to install a dehumidifier and then a sump pump. Prices were reasonable and payment plan option available. My basement is now fully waterproof. The excellent customer service is polite and responds in a reasonable time. Awesome company!!!"
Additional Photos
Additional Photos
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Additional Photos

+181

Response time10 hrs
Response rate100%
30 neighbors recently requested a quote
Basement Waterproofing Specialists
4.0(
597
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Warren, NJ and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"I had a serious basement flooding problem. I had my basement waterproofed 2 times. it didn't work! Basement Waterproofing Specialists installed a commercial drain system and after 2 years I have never had a drop of water they are AMAZING, thank you Basement Waterproofing specialists YOU ARE THE BEST!"
Foundation Repair
 Before and After Stone Work
 Mirra Drain
 Mold Remediation
 Clean Work Areas

+67

Response time11 hrs
248 neighbors recently requested a quote
Recommended by86%of homeowners
Jersey Dry Construction, Inc.
4.5(
43
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Warren, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Jersey Dry provided the best total solution for our basement water issues at the best price. They delivered everything as promised and went beyond. They even re-installed and repaired the basement sink by replacing worn piping and re-directed a gutter at no extra charge. They were extremely responsive to our inquiries and questions. They painted the walls and cleaned up very well. They ensured that we were totally satisfied by walking through the job before they left. They may be the best contractor that we have ever used."
BEFORE
Cutting the trench
French drain installation
Completion
Jersey Dry's Truck

+5

Recommended by100%of homeowners
Avatar for Quality 1st Basement Systems, Inc.
Quality 1st Basement Systems, Inc.
4.2(
214
)
Basement Drainage Channels - InstallFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Warren, NJ and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Our basement specialist was Wilbur, he and his crew were very professional, very much attention to detail, they left our basement and yard very clean. Not to mention it was great to work with such nice people. We will be recommending Wilber and your company to anyone looking for basement waterproofing!! Thanks so much!!"
Driveway Restored With PolyLevel
NJ Basement Remodeled
Dark Basement Transformed
Basement Transformation
Unfinished Bedroom

+251

Recommended by84%of homeowners
Avatar for Groundworks
Groundworks
4.6(
308
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Warren, NJ and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Emergency services offered

"I had a completely new French Drain system installed in one day! Professional courteous service from inspection thru completion. All aspects of the work to be performed were clearly explained along with justification and guaranteed satisfaction. I highly recommend Select Basement Waterproofing and commend Jason on his inspection and his team on a job well done! A pleasure to do business with them!"
Basement
Basement
Basement
Basement
Foundation

+15

Response time1 day
65 neighbors recently requested a quote
Recommended by92%of homeowners
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Basement Waterproofing FAQs, answered by experts

Water leakage through window openings is much more common in older homes, but it can also create issues with window frames that are improperly installed. If left unattended, water buildup can cause damage to surrounding fixtures, lead to harmful mold, and compromise the architectural integrity of your home. The potential damage that a water leak poses makes investing in weather- and water-proofing your window frames entirely worthwhile.

Yes, it is generally unhealthy and can be dangerous to live in a damp basement. The damp air can negatively affect your breathing and lungs, and the moisture promotes mold growth and pest infestations. Inhaling mold spores or waste particles from insects and rodents attracted to the moisture can be hazardous. This damp, moldy air can also circulate into your main living area. It is crucial to resolve any moisture problems and implement preventative measures before using your basement as a living space.

A walkout basement is considered to be partially below grade because at least one wall is entirely exposed. In some cases and in specific municipalities, inspectors and appraisers will still count walkout basements as below grade, which means the space can’t serve as living space or be rented out. If you intend on using the area as living space or a separate apartment, you should check with your local building department to make sure it’s legal to do so.

In most cases, it is safe to live in a home with minor foundation problems, but you should not let the issues persist. Virtually all foundations have small cracks from normal settlement, which are not a structural concern but should be sealed to prevent water intrusion. However, major damage—such as large structural cracks, sinking foundations, or bulging walls—can make a home unsafe. Other issues that can pose safety and health risks include poor indoor air quality from mold or pests, uneven floors, and rotten beams or joists. It is always best to have a foundation repair expert or structural engineer inspect any issues to determine if your home is safe to live in.

A sump pump can remove excess moisture from under a house if standing water is present. Other ways to protect your crawl space from moisture include installing a vapor barrier, using a dehumidifier, installing insulation, and using a fan to dry the space. Finally, keeping your gutters clear of debris and positioning your downspouts away from the home’s foundation can prevent moisture from getting into the crawl space in the first place.

The Warren, NJ homeowners’ guide to basement waterproofing services

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