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

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

Serving Warren, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"Dave (Dawson Mechanical) is awesome. He is the only plumbing company I use. His knowledge is on another level and he runs a great company. It is easy to get an appointment and he responds right away. You can feel confident, if you have an emergency or non-emergency situation you that can get touch with him. In the past he installed a new boiler, furnace and converted us over to gas from oil heat. The work he and the guys did on the furnace/boiler is so good that other contractors comment on it. It really is a work of art - very neat. Most recently, he helped fix a bad plumbing job a contractor did during a bathroom model. The bottom of the toilet was flooding and the shower made a gurgling noise every time the toilet was flushed - it was an annoying odd problem. John came over during the covid pandemic, analyzed the situation and came up with a solution. He wore gloves, a mask and maintained space between us. I am very impressed with his expertise and the level of detail and attention he works with. However, I shouldn’t have been surprised based on how great of a company Dawson Mechanical is. He hires quality technicians. Lesson learned - dont let the contractor do plumbing work. I will definitely use Dawson Mechanical again."
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+20

Response time7 hrs
Response rate99%
Recommended by92%of homeowners
Avatar for Pipe Works Services Inc
Pipe Works Services Inc
4.4(
204
)
Plumbing for a Remodel or Addition - Install

Serving Warren, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"We had a new washing machine installed by Home Depot and when we started our first load the entire full washing machine of water flooded down thru the floors to the kitchen. We called PipeWorks for an emergency visit because we thought a pipe burst. Mario from PipeWorks came and found that Home Depot did not attach the water drain pipe securely on the back of the washing machine – it had popped off the back. So $404 later Mario saved the day. He spent alot of time testing the machine at different cycles to make sure there were no more leaks. I would highly recommend PipeWorks & Mario for any regular or emergency plumbing project. But shame on Home Depot for their shoddy installation."
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+93

16 neighbors recently requested a quote
Recommended by78%of homeowners
Primo Plumbing, LLC
4.5(
35
)
Plumbing for a Remodel or Addition - Install

Serving Warren, NJ and surrounding areas

Approved

In business since 2005

Credit card accepted

Offers commercial services

"Intelligent, extremely punctual and very reasonable in pricing. Mike solved the mess which was left by another non-local plumber. He was very easy to talk to and would listen what I had to say. For any future plumbing needs I am going to look at Mike with confidence. Thank you Mike!"
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(
77
)
Plumbing for a Remodel or Addition - Install

Serving Warren, 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 Our Plumber, LLC
Our Plumber, LLC
4.3(
145
)
Plumbing for a Remodel or Addition - Install

Serving Warren, 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 Warren, 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 Warren, 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 Cross County Plumbing and Heating
Cross County Plumbing and Heating
4.8(
130
)
Plumbing for a Remodel or Addition - Install

Serving Warren, NJ and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"Cross County Plumbing and Heating, did a wonderful job!!! They got back to us in a timely matter, they were very honest and upfront. They gave my husband  advice on what we should do as first time home owners to save money and headache. They were never pushy or made us feel pressured for any option. Will definitely recommend their services to family and friends"
Recommended by94%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Warren, 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 Warren, 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.