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Top-Rated Plumbing installers for a remodel or addition in Woodbridge - Updated Nov 2026

Avatar for Dawson Mechanical Contracting
Dawson Mechanical Contracting
4.8(
136
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"We recently had the pleasure of hiring Dawson Mechanical to have a new Navien tankless water heater installed. This was a little more than a straightforward job since the water heater was being relocated from a utility closet to the garage which was about 20 feet away. From the time I made the first call to Dawson, I had a good feeling about this company. Dave came over within a few days on a Saturday to look the job over and give me an estimate. He is very knowledgeable and took the time to answer any questions we had. When the day came for the installation, a crew of 3 workmen arrived around 9:00 AM and did not stop until the job was finished around 5:00 PM. They did an excellent job, were very good about keeping everything clean and neat, and the workmanship was top notch. In short, we were very happy with everything and would not hesitate to use Dawson for our future plumbing/HVAC needs."
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+20

Response time7 hrs
Response rate99%
Recommended by92%of homeowners
Eddie O's Plumbing & Heating
4.7(
110
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"We live in an older house and tend to have a lot of small problems. Most plumbers we've used have not solved the problems we called them for or proposed massive expensive changes that we ultimately found unnecessary. Eddie O came and listened to what we said we needed. He answered all our questions about his suggestions. The estimate was in the area we had hoped it would be. He showed up on time and did the work in the time he told us to expect it to take. When he was done, he cleaned up after himself. Since the work was completed, everything is working as expected."
Response time12 hrs
Recommended by98%of homeowners
Primo Plumbing, LLC
4.5(
35
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

Approved

In business since 2005

Credit card accepted

Offers commercial services

"Don't hesitate to hire Mike MacGregor. He's excellent. We had a gas leak in a fireplace valve that was inaccessible behind a cabinet wall. We called every plumber Home Advisor recommended AND several fireplace companies (including the one that installed the fireplace). No one, except Mike, was willing to take the job or to assist us in getting access to the fireplace. When we finally gained access, Mike came with a new valve but discovered that it didn't actually need to be replaced. What honesty? He fixed the valve (saving us the cost of the replacement) and charged us a very, very reasonable price for all his work. Thank you Mike. We will definitely call again when we need a plumber."
4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Good Tidings Plumbing Heating and Cooling
Good Tidings Plumbing Heating and Cooling
4.3(
78
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

Approved

In business since 1991

Emergency services offered

Warranties offered

"We had water leaking into our crawlspace. It was a mess. The rugs we laid down to make crawling easier were soaked with foul-smelling liquid. Boxes of pictures were ruined. Contaminated items needed to be thrown away. It was a disaster. At first, we thought it may have come from a leak from a recently installed water heater. We contacted the installer (AJ Perri) to look at it. He said that it wasn't from the heater. He assumed it was water from outside and suggested we get a sump pump. We weren't entire convinced that was the case or the cause, so we reached out to plumbers here on Angie's--including Good Tidings. They had someone come over right away to look that problem. He looked (and smelled) the water and said it was from the sewer line, thinking there was a clog. It turned out the pipe was at fault and needed to be replaced. The plumbers Good Tidings sent were professional, knowledgeable, and friendly. They solved the issue, as we are no longer getting disgusting water in our crawlspace. In another plumbing-related problem, we'd be sure to call again!"
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Response time8 hrs
Response rate100%
18 neighbors recently requested a quote
Avatar for Best Pro Service, LLC
Best Pro Service, LLC
4.8(
69
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Andrew is pleasant, efficient, and knowledgeable. He was able to fit in our installation the day after I asked him to do the job. Since this was a re-installation, he had a good idea on improving the finished product. Price for the installation was more reasonable than his competitor."
Custom Window Treatments
Zebra shades
Zebra shades
Zebra shades
Zebra shades

+40

Response time1 day
229 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for Our Plumber, LLC
Our Plumber, LLC
4.3(
145
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"Steve, who did the actual work on my apartment, was great! He gets 5 stars!!! I would recommend him to anyone. But the fact that it cost $250 for 30 min of work is ludicrous! I have had plumbing work done in my condo before that was more extensive work and it was never this overpriced. My recommendation to other people is for the work, not the price."
davis
rettwer
smithberger
kopperton
vittorellio

+1

Recommended by94%of homeowners
Avatar for Rapid Repairs - Plumbing and Handyman
Rapid Repairs - Plumbing and Handyman
4.4(
53
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

In business since 2012

Emergency services offered

"While looking for a plumber to inspect and replace a leaking water heater, I found Rapid Repairs.  I called the number, and was directed to send a text message if I needed a emergent response.  After only a few minutes, I got a response in a text message addressing my issue.  They were professional and answered my questions as best he could without being at my house.  I even got estimates based on my answers.  The only reason I did not utilize their service was that I needed hot water immediately, and they were already on multiple service calls, meaning the earliest they could come out would be Monday.  
I would definitely use them in the future, I was very happy with the response and appreciated that he was polite and understood that I couldn't wait for them to become available.
"
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+2

Recommended by88%of homeowners
Easy Flow Drain Cleaning and Mechanical Services
4.8(
128
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Excellent. Rob showed up the day I called to give an estimate. It was a fair estimate. He explained everything and was able to come the next day to do the work. He showed up on time, did everything promised and left everything clean. Would definitely use Easy Flow again and recommend to others."
Recommended by95%of homeowners
Avatar for Pipe It up Plumbing
Pipe It up Plumbing
4.7(
11
)
Plumbing for a Remodel or Addition - Install

Serving Woodbridge, NJ and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Pipe it Up Plumbing did very good work. They stopped the flooding in my basement by cutting out and replacing two sections of a broken, corroded pipe. They swept up as they worked and left the place neat and clean. They showed thoroughness by following up the next day to ensure that everything was still dry,"
Old water heater
New shower body installed. New backing installed. Tub tested and approved!
New sink and toilet install
Cpvc sprinkler valve and Navien unit piped out.
Plumbing Project

+35

Recommended by100%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Woodbridge, NJ

Adding bathroom plumbing to a detached garage starts with the basic line installation cost of $900 to $1,300. On top of this base expense, you'll need to budget for each fixture. A toilet costs  $250 to $550, sinks cost $150 to $800, and a shower or bathtub costs $400 to $1,900. The project will also require ventilation, moisture-resistant materials, and possibly electrical work. Remember that these costs reflect only the plumbing aspects—additional construction, finishing, and permitting expenses will apply to complete a functional bathroom space.

While certain aspects of garage renovation might be suitable for DIY enthusiasts, plumbing installation requires professional expertise. Connecting to water and sewer systems demands specialized knowledge and equipment, and improper installation can result in severe water damage, code violations, and potential health hazards. Most municipalities require permits for plumbing modifications, and these often stipulate that licensed professionals must perform work. Consider limiting your involvement to simpler tasks like painting or basic finishing work.

The timeframe for adding plumbing to a detached garage spans one to three days for the actual plumbing work. However, this represents only the active installation period. The complete project timeline must account for planning, obtaining permits (which can take weeks depending on your locality), coordinating multiple contractors if needed, and addressing any unexpected challenges that arise during installation. Weather conditions can also impact excavation and outdoor connection work.

Adding plumbing to a detached garage will likely increase your property taxes. Tax assessors consider plumbing an improvement that enhances property value and functionality. The specific tax impact varies by location and project scope. Converting a garage into living space with plumbing facilities can trigger significant reassessment in many jurisdictions. Before proceeding with your project, consult your local tax assessor's office to understand the potential tax implications and factor this ongoing expense into your decision-making process.

The Woodbridge, NJ homeowners’ guide to plumbing installations for a remodel or addition

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