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TRUSTED BY WILLIAMSTOWN, NJ HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Williamstown - Updated Nov 2026

Avatar for Basement Gurus, LLC
Basement Gurus, LLC
4.8(
217
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Warranties offered

"I'm not fully moved into the home yet, but I will update when I am there permanently. The crew was very professional, worked diligently, cleaned up after every day of work (three day job--french drain expansion, two additional sump pumps installed, window drains into the sump pumps, pretty extensive job)."
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
485 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for GPS Plumbing Inc
GPS Plumbing Inc
4.8(
197
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Emergency services offered

Warranties offered

"Called GPS to explain what was going on after having the line snaked and plunged 2 different times from a previous company. Previous company did find a lodged object in the line. They told us we needed to dig up the sewer line, cut the pipe, remove the object and then repair. Max from GPS was here for five minutes when he thought to dig up some of our grass to look for a trap by the street. Which he found immediately ! Took him 2 more minutes to use a tool to grab a sippy cup that my son must have thrown down the drain on the side of the house. So thankful he thought to look for that trap. It not only saved me money and time, but gave me great relief that my plumbing is going to go back to normal again. All the girls who work in the office were extremely helpful as well ! Highly recommend Max and GPS and will be using them for all of our plumbing needs in the future. If anyone ever needs a plumber I'm recommending GPS. Thank you Max !!"
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+4

Response time1 day
Recommended by85%of homeowners
Avatar for Dry Tech Waterproofing Solutions
Dry Tech Waterproofing Solutions
4.4(
276
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Drytech contacted me about my inquiry for a drain system in my driveway. We set up a date and time. The company called the day before â to confirm the time. The representative arrived on time. We discussed the issues w/ my driveway, and my concerns. After discussions he told me that I probably did not need a drain system. While he did not complete any work for based (because of his honesty) I was impressed with his questions, the time he spent with me and how pleasant he was. He left me his card and informed me what issues to look for."
Digging out the area
Filling in the crack
During
Insulation board is placed over the Water Shield
Water Shield

+24

Response time8 hrs
Response rate99%
141 neighbors recently requested a quote
Avatar for Laury Heating Cooling & Plumbing
Laury Heating Cooling & Plumbing
4.8(
185
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 1945

Free estimates

Emergency services offered

"Dana knew right away that the problem was with the air handler. As it turned out the condensation drip pan had filled up and tripped the over flow switch. PTL for that switch. Dana drained the pan and cleared the drain. All ok now. Thanks for the help. Nice job Dana."
High efficiency Carrier condenser.
High efficiency Carrier Infinity gas furnace with variable speed blower.
High efficiency Carrier gas furnace and Trion Air Bear filter.
High efficiency Carrier heat pump installation.
Ductwork installation.

+13

Response time10 mins
Response rate100%
22 neighbors recently requested a quote
Avatar for Desert Dry Waterproofing & Remodeling, LLC
Desert Dry Waterproofing & Remodeling, LLC
4.7(
53
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Installed two sump pumps, French drainage system, vapor barrier, and minor mold remediation before it evolved into a larger and more costly problem. Punctual, professional, timely, fair priced, stellar customer service and educated the homeowner. Could not be happier. Highly recommend."
Response time8 hrs
Recommended by97%of homeowners
Avatar for Quality 1st Basement Systems, Inc
Quality 1st Basement Systems, Inc
4.2(
210
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 1987

Free estimates

Credit card accepted

"I have been completely satisfied with everything from Steve V. coming to my home and giving me a reasonable quote for doing a french drain in my cellar to Juan and his crew doing the job that I am very satisfied with. I would recommend this company for any job that that they are qualified to do."
Response time2 days
Response rate86%
Recommended by83%of homeowners
Avatar for AM Botte Mechanical, LLC
AM Botte Mechanical, LLC
4.7(
56
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Excellent company, schedule staff, and technicians! Highly recommend! Working with A. M. Botte via text, we arranged a good time of day for the tech to arrive. As it turned out, they were able to arrive early and they called to see if that would work for me. It did, and Melvin 'Mel' arrived about 30 minutes ahead of the original window. ?? Mel introduced himself and donned his cloth booties so he didn't track any dirt into my home. He then inquired about, examined, and diagnosed the issue, went over the options and we agreed on the cost. He was super friendly, knowledgeable, and really informative! During the inspection, he showed me several helpful homeowner tips as we passed various parts of my plumbing system. He prepped the work areas to protect my wood floors and went back to the truck for the required tools (taking off and replacing the cloth booties). ? He went to work on the clog and in just a few attempts with the power snake located and cleared the clog. We took photos of the culprit (a large, long hair ball - ?). I am pretty much bald, so I felt vindicated that it wasn't *my* hair! ? After checking at the cleanout that all the impacted drains were clear, Mel reseated the toilet, set his equipment on the tarp in the hallway, and wiped down the walls (even though the marks were from *my* attempts to fix the clog earlier in the week). ? Once his tools were loaded on the truck, Mel took a 'completion' photo of the powder room where the snake work was done and the outside cleanout where we checked the drains. I wrote a check, signed the electronic 'paperwork', and Mel wished me a great weekend - - which it will be now that I don't have to spend it trying to clear a drain clog that obviously required a pro! I called A. M. Botte to commend their company and Melvin in particular. I will definitely call them again when I need a plumbing professional in the future!"
Anthony Botte
Anthony Botte
20 Years
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Vaughan Comfort Services
Vaughan Comfort Services
4.8(
139
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1937

Free estimates

Emergency services offered

"Excellent! After contacting Vaughan, a technician was at my home within 3 hours. Anthony was professional and very knowledgable. He carefully explained and showed us the problem. Within one day, the parts were ready and Anthony returned to repair and install the AC. The work progressed smoothly and we received updates throughout the repair. We couldn't have asked for a better experience!!!"
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+6

Response time3 days
Response rate100%
6 neighbors recently requested a quote
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Foundation Drain Installation FAQs, answered by experts

The cost to install landscape drainage varies widely based on the scope of the project and the severity of the drainage issues. Typically, this project’s cost falls somewhere between $2,000 and $7,000 overall. Small-scale projects or simple fixes may start at the lower end, while more extensive and complex solutions could reach the higher end of the range. To get an accurate estimate, you should obtain quotes from multiple companies, as they will assess your specific needs and provide a customized cost estimate based on the work required.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

Installation typically takes 1-2 days, depending on the scope and site preparation.

Proper drainage prevents water damage, mold growth, and foundation settling, protecting your home’s structural integrity.

Most sump pumps come with power cords that can be plugged into an outlet, but there are options that can be hardwired into a home’s electrical system. Either way, it’s smart to have a backup power supply in case the electricity goes out during a storm. That way, the sump pump can keep running and removing water from the sump pit.

The Williamstown, NJ homeowners’ guide to foundation drain installation services

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