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TRUSTED BY WILLIAMSTOWN, NJ HOMEOWNERS

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

Top-Rated Sump pump installation pros in Williamstown - Updated Nov 2026

Avatar for GPS Plumbing Inc
GPS Plumbing Inc
4.8(
196
)
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

"Total professionals! Returned phone calls, arrived when they said they would. Installation was a bit tricky as it is located on the second floor in a small laundry area. They were familiar with all code requirements for my HOA. They discussed everything with me prior to the work and gave me a ballpark figure which I thought was very reasonable. Work was performed correctly, and professionally and the area was left spotless. It is such a pleasure in this day and age to find such talented professionals who are passionate about doing a job correctly."
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+4

Response time1 day
Recommended by85%of homeowners
Avatar for Laury Heating Cooling & Plumbing
Laury Heating Cooling & Plumbing
4.8(
184
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 1945

Free estimates

Emergency services offered

"We use Laury for repair and maintenance of our heating and cooling units for our rental properties and each time we need something done, the staff at Laury never cease to provide quality service. The technicians are always knowledgeable, thorough, courteous and pleasant. We recently had an HVAC system installed in one of our units and the home is rather large and is over 100 years old and there was not a whole lot of empty space to work with. The guys at Laury were able to install the system and all of the duct work and components involved neatly with the age and make-up of the home in-mind. They were pleasant throughout the entire installation which took almost a week. They were always on time and always communicated the process with us. Laury is a trusted business with many years of experience behind them. Prices are also extremely reasonable given the cost of services right now. Warren you are the man!"
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 AM Botte Mechanical, LLC
AM Botte Mechanical, LLC
4.7(
56
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"I was making Thanksgiving dinner and created an impenetrable clog in my kitchen sink drain. Two types of drain cleaners and my pathetic snaking skills did nothing all day Friday. I called A.M. Botte at 8 AM Saturday and their Tech, Mel C., was here in fifteen minutes! He did an amazing, professional job and even gave me a veteran discount (I was pleased to learn that Mel is also a veteran). I would recommend A.M. Botte to anyone needing top-quality service."
Anthony Botte
Anthony Botte
20 Years
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Ace Hardware Home Services
Ace Hardware Home Services
4.8(
80
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved (Corporate)

In business since 2001

Emergency services offered

Credit card accepted

"Clay's is without a doubt the best HVAC contractor in the area.  Estimate was provided by Clay and he spent about an hour at my home going over the details of the job during the visit.  I can be somewhat of a demanding customer and Clay was patient, courteous, and professional when it came to answering all my questions and discussing the details of job.
The job in my home was a pretty significant undertaking particularly since it was a retrofit (i.e. NOT new contruction), a complete tear out and replacement of the existing equipment, and some things were being relocated to other areas of the home.  On the first day of the job Clay and his foreman did a walkthrough of the job with me.  Due to scheduling and weather issues it was two months from time of estimate to job start and surprisingly Clay remembered every detail of my home and the job!  On the first day of work, tear out day, there were no less than 7 workers present to complete the task.  That's serious commitment to getting the job done!  The job required access to every area of my home...attic, crawlspace, and all living spaces.  We were without heat for the first three days of the install and Clay's left us with 4 electric space heaters which surprisingly kept the house quite comfortable.  After each work day the crew would clean their work area and the parts of the home they accessed.  My wife would comment each night when she returned form work that you couldn't even tell they had been there.  Work crews promptly arrived at my home at 7AM each day and departed between 3-4PM depending on what they needed to finish up.
Would like to also mention that I have had some interaction with the service team (Mike and Matt) to install an upgraded control board and complete system start-up in the spring.  The service dept. is just as good as the installation team!
Bottom line:  high quality installation, professional service both pre and post installation, courteous and respectful employees, and Clay's delivered on everything agreed upon in our contract.  While the cost of our particular installation was high that was largely a function of the scope of work and quality of equipment purchased.  Clay's wasn't the lowest bid but their estimate was perfectly reasonable.  As they say, you get what you pay for.  Don't undervalue the quality of any HVAC installation because that matters most.  Just a general FYI our old AC unit was 35 years old (i.e. very inefficient) and ducting in our home was terrible.  Electric costs to cool our 2,400 sq ft home in the summer used to run $300-$400.  As installed, the new system is approximately 14-14.5 SEER and that has translated into a $100-200 monthly savings on our electric bill.


"
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+8

Response time2 days
Response rate100%
2 neighbors recently requested a quote
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

"I was really impressed, the work was completed in just one day! The crew was super great, they had a bunch of people out. They did everything too I didnâ  t need to get really anything set up. We just made sure the walls were clear of anything so they had room. I needed 148 feet of drain installed and ordered 2 new sump pumps with it. It came out to $13k (I found a coupon too!) and Iâ  m just really glad to get this taken care of. My basement usually floods with heavy rain, legitimately half way full of water and we just had a rain (semi heavy) and itâ  s dry. This is the first time Iâ  m actually excited to see it rain next to check out the basement lol. I went into it expecting this to just help mitigate the flood waters but Iâ  m really hopeful this install will actually deliver 99% dryness ð   ð   . I do have to say, I wasnâ  t sure Iâ  d choose DryTech at first because I must have gotten 3-4 phone calls a day from their calling team after looking into waterproofing on HomeAdvisor. They were reallly trying to get me to schedule with them but I wasnâ  t ready just yet. It was a tad bit annoying but after looking at the reviews and whatnot I was definitely onboard and so glad I went through with them."
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%
164 neighbors recently requested a quote
Avatar for Desert Dry Waterproofing & Remodeling, LLC
Desert Dry Waterproofing & Remodeling, LLC
4.7(
53
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Company provided full service of waterproofing. Sump pump and French drainage system installed. This additional project included optional mold remediation/prevention, which I accepted. They waterproof and sanitized start of mold to prevent it from taking hold and causing this to become a future issue. Timely, professional, punctual and customer service oriented. Did not just have a plan of action, but educated consumer on all aspects of the job beforehand and updated me as progress was made. Both jobs completed ahead of schedule. I HIGHLY RECOMMEND this company."
Response time8 hrs
Recommended by97%of homeowners
Avatar for Pete The Plumber, LLC
Pete The Plumber, LLC
4.5(
28
)
Sump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quick response

"As a home improvement contractor myself there are certain things I value in a sub contractor, and Pete The Plumber has those I was looking for. He returned calls and emails, showed up for the job on time and his price was in line with our budget for the project. I would recommend his services for home owners and contractors alike."
Response time1 hour
Recommended by100%of homeowners
Avatar for 2 Guys Plumbing & Heating, LLC
2 Guys Plumbing & Heating, LLC
4.9(
28
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Williamstown, NJ and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Very pleased with my toilet removal and install. Joe was very responsive, gave me a reasonable quote for the job, and stood by that quote, even though there were additional matters to resolve when setting the toilet. Joe knew exactly what to do, and completed the job efficiently. Highly knowledgeable and professional service this is. Very impressed. Joe is a nice guy too and answered all questions. I would highly recommend."
new house
master bath
tankless water heater
Response time5 hrs
Response rate92%
Recommended by91%of homeowners
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Sump Pump Installation FAQs, answered by experts

Repairs typically take 1-2 hours, while replacements, depending on accessibility, may require up to 4 hours.

There are several indicators that your washing machine’s drain pump is bad, including incomplete cycles, water not draining, lack of spinning, a foul odor when the machine is running, and a loud grinding or buzzing noise when the pump is trying to move water down the drain.

The most common cause of a clogged sump pump is natural debris buildup. As water enters the sump pit, it can carry small pieces of debris that build up over time, or the debris can get caught in the filter. If you forget to cover the pit after cleaning the sump pump and pit, debris can also collect in the pit. Corrosion on the metal discharge pipe can also clog the pump. Additionally, if your pipes freeze, it can prevent water from draining properly and cause a clog.

3/4 HP is stronger than 1/2 HP. Horsepower measures how much weight can be moved and how fast, or the power needed to move 550 pounds one foot in one second. 1 HP equals 550 foot-pounds per second, so the higher the horsepower, the heavier the load it can lift. While 1/2 HP is a standard, powerful option, 3/4 HP has the extra strength to handle heavier, larger doors with ease.

DIY is possible for simple repairs. Professional services ensure proper diagnostics and long-term reliability.

The Williamstown, NJ homeowners’ guide to sump pump installation services

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