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TRUSTED BY DEMAREST, NJ HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon55
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Demarest

Avatar for American A-1 Waterproofing
American A-1 Waterproofing
4.7(
148
)

Serving Demarest, 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
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Arid Basement Waterproofing
Arid Basement Waterproofing
4.9(
89
)

Serving Demarest, NJ and surrounding areas

Approved

In business since 1963

Free estimates

Warranties offered

"I called Arid when my sump pump that the previous owner left died during a rain storm. I spoke with Pat, who was extremely responsive, honest, and professional. Pat was very understanding as I explained that water had come up into the basement through the sump well. He sold me on a primary and backup pump system with battery backup and sent his crew out to my home that day. The installation took about 40 min and 20 min after the pump was installed, the water levels dropped back to normal. I have already hired Arid again to come back and perform a liner install around the pump and will look to Pat and his team in the future for all my basement waterproofing needs."
PVC French drain
Trench w/ gravel
Cementing trench
Sump pump
Sump pump with a cover

+1

3 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for WEATHER-TITE WATERPROOFING INC.
WEATHER-TITE WATERPROOFING INC.
4.8(
100
)

Serving Demarest, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"Weather-Tite was recommended to me by a contractor who I trust to evaluate and repair water and moisture issues that I was having in my garage. Bob and his crew did a phenomenal job!! My husband and I are beyond thrilled with the results! They are professional, courteous, and fastidious. Half of my garage is underground, as there is a hill in my front yard leading up to the house. The repair involved excavating dirt along the front of my house next to the garage foundation wall down to the drain pipe, repairing cracks and holes, applying waterproofing and more. The interior wall was cleaned and drylock masonry paint was applied. My landscaping on the outside had to be removed and then put back. They did such a good job that you couldn't even tell it had been moved at all. We also had Bob and his crew complete a second job for us. This involved excavating another trench but in the back of the house along 16 feet of the foundation, replacing a drain pipe and waterproofing. They were at our house for three days. During that time and after we had torrential rain and everything stayed dry!!! I highly recommend Weather-Tite Waterproofing, Inc.!"
Response time12 hrs
23 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for NATIONAL PRO WATERPROOFING LLC
NATIONAL PRO WATERPROOFING LLC
5.0(
42
)

Serving Demarest, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"National Pro Waterproofing did an amazing job in our basement. Mike got us scheduled quickly, was professional and addressed any concerns I had. He showed up on time with his very experienced crew and they got the job done in one day. They worked quickly, neatly and even put up a plastic barrier to keep the dust from spreading out of the work area. They left the work area immaculate. I highly recommend National Pro Waterproofing!"
Finished JOB
Start Job
MID JOB
Finished JOB
AFTER TRENCHED OUT

+3

Response time4 hrs
Response rate97%
12 neighbors recently requested a quote
Avatar for Blue Umbrella Waterproofing, LLC
Blue Umbrella Waterproofing, LLC
4.9(
57
)

Serving Demarest, NJ and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Steve was super helpful when I reached out about waterproofing a basement. He walked me through the potential costs and the process. He patiently answered my questions and was very professional."
OUR WORK
CARBON FIBER STRAP
Response time2 days
Response rate100%
14 neighbors recently requested a quote
Avatar for A Debenedetto Construction LLC
A Debenedetto Construction LLC
4.7(
321
)

Serving Demarest, NJ and surrounding areas

Approved

In business since 1952

Free estimates

Customers say: True professional

"For several years we have had a leak in our attic near our chimneys. After every wind driven storm water would collect in our strategically placed buckets. The leaks persisted despite a new roof and multiple attempts at waterproofing the chimneys. Antonio solved our problem. He demolished, rebuilt and waterproofed our chimneys from the roof line up. We were very impressed with his professionalism, knowledge and attention to detail and are happy to report that despite several heavy rain events we have had no water in the attic since the work was completed. Antonio's crew was punctual, courteous and hard working. We highly recommend Mr. Debenedetto and would not hesitate to use him for any masonry projects we might have in the future."
Garden
Patio Work
Elegant Paver Work Maplewood
Retaining Wall Verona NJ
Beautiful Steps Montclair NJ

+50

Response time2 days
9 neighbors recently requested a quote
Recommended by97%of homeowners
Basement Waterproofing Specialists
4.0(
594
)

Serving Demarest, 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
115 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Groundworks
Groundworks
4.6(
307
)

Serving Demarest, NJ and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Emergency services offered

"Full waterproofing of the basement in our 95 year old house, including demolition of walls and shelves/cabinets/sinks and plumbing. Additional service of adding a footing to the basement walls. All the work took three days. Excellent work and looks great, though a bit costly."
Basement
Basement
Basement
Basement
Foundation

+15

Response time1 day
306 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AJT Complete Construction LLC
AJT Complete Construction LLC
4.8(
342
)

Serving Demarest, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Emergency services offered

"Work was done to code (which was not by previous company prior to my purchase of home). In addition to chimney repairs they did some work to boiler and hot water connects in basement that were not done to code. I am very satisfied with the work done. I highly recommend them and would hire them again."
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+55

Response time11 hrs
Recommended by96%of homeowners
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Basement Waterproofing questions, answered by experts

Egress windows or doors are required in finished basements to meet safety and building codes. If your basement is unfinished and used as a storage space, egress windows are not required, but anything considered a habitable space must have an additional point of egress in addition to the stairs.

Yes, outside leaks can easily cause damage to your home if you don’t have waterproofing measures in place. Regularly check your property for signs of a leak, ensure your home’s landscaping is at least at a 5% slope, your basement windows are sealed, and you have an aligned gutter system to catch rainwater.

Yes, crawl spaces can attract bugs, especially since moisture tends to build up in the space, and moisture attracts pests. A good way to prevent pest infestation in your crawl space is to install a vapor barrier—called crawl space encapsulation—on the interior to seal the space, along with a French drain or some other kind of foundation drainage system outside to keep runoff out of your crawl space. You can also seal foundation cracks and repair damages to cut off access to pests.

Plan on cleaning your crawl space at least once a year, though twice a year is ideal. During the cleaning, remove any debris or dust and check for potential issues like pest infestations or water damage. The sooner you catch these issues, the easier (and cheaper) it will be to fix them.

It depends on what caused your basement flooding, the extent of the problem, and the risk of the flood continuing. If your flood is coming from a septic system or sewer line, breathing in the sewer gasses can be dangerous, so you should vacate. If the flood occurs from an ongoing natural disaster, relocating to a safe area might be wise. If you just have a plumbing leak or rainwater coming in, you can likely stay in the house if you don’t have electrical lines down there, but make sure you call in professionals to fix the issue immediately.

The Demarest, NJ homeowners’ guide to basement waterproofing services

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