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Best basement waterproofing pros near Somerville, NJ

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    Verified basement waterproofing services reviews

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

Avatar for Absolute Waterproofing and Renovation, LLC
Absolute Waterproofing and Renovation, LLC
4.8(
190
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Somerville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Absolute waterproofing did an outstanding job installing carbon straps on a bowed basement wall. Not only did they do a great job , Lou took care of tbe township permit application and follow up . He was always available to answer any questions, supply information and warranty on carbon straps! When we decided to hzve the basement painted he got his crew together to do it immediately. He did an outstanding job. He was thorough, Always accessible and returned phone calls, explaining everything that he was doing to fix the problem! I highly recommend Absolute Waterproofing for any House that has a basement issue ! Barbara kenas remax central"
Drainage system
Structural renovations
Drainage system
Floor renovations
Drainage system

+48

Response time10 hrs
46 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 Somerville, 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
477 neighbors recently requested a quote
Recommended by68%of homeowners
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 Somerville, 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
Additional Photos
Additional Photos
Additional Photos

+181

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

Serving Somerville, 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
258 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for International Water Proofing & Construction, LLC
International Water Proofing & Construction, LLC
4.9(
19
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Somerville, NJ and surrounding areas

Approved

In business since 2016

Free estimates

Small jobs welcome

We are a family company with 15 years of experience in the construction industry. We specialize in masonry work, concrete work and waterproofing. We will treat your home as we would our own. Give us a call today, we look forward to working with you!

Front Yard & Hardscape
After
Before
After
Before

+1

2 neighbors recently requested a quote
Recommended by89%of homeowners
Jersey Dry Construction, Inc.
4.5(
43
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Somerville, 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 Somerville, 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 Somerville, 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
89 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AJT Complete Construction LLC
AJT Complete Construction LLC
4.8(
346
)
Basement Drainage Channels - Install

Serving Somerville, 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."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+55

Response time11 hrs
Recommended by95%of homeowners
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Showing 1-10 of 194
Basement Waterproofing FAQs, answered by experts

If there is standing liquid on your concrete, remove it before attempting any of the above cleaning methods. For small amounts of water, use rags, a bucket, and a mop. For larger areas of liquid, lay down cat litter or baking soda to soak up the water first. If you have extremely large pools of water sitting on your concrete, break out the wet vac and get to work.

The primary reason homes have crawl spaces is so the foundation can reach down below the frost line to avoid dangerous soil movement and structural damage when the ground freezes. They’re more popular in colder climates where the ground freezes down to a few feet, and slabs are most popular in warmer areas where there is no frost line. Crawl spaces also provide a space for utility lines to run where they’re at less of a risk of freezing.

Make sure you're calling in the right expert to help repair and/or clean your crawl space. A serious issue may require multiple experts that include a local mold remediation pro, an HVAC pro, a foundation pro, and a plumber. You should also consider using a nearby junk removal service to avoid handling debris that could be covered in mold, fungi, rot, or asbestos.

Yes, water and water vapor can seep through cracks in your basement floor, which means you should address all basement floor cracks, even if they don’t indicate structural issues. Sealing settling cracks and shrinkage cracks is a good idea to keep water and moisture outside where it belongs. Doing so can improve your indoor air quality, reduce the risk of mold growth, make your home more comfortable, and help prevent pest infestation.

The process might take a few days to a week, depending on the method chosen, area size, and weather conditions. Some solutions, like simple interior sealants, may require less time.

The Somerville, NJ homeowners’ guide to basement waterproofing services

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