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

Avatar for Proficient Plumbing & Heating
Proficient Plumbing & Heating
4.9(
309
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Proficient Plumbing is my go to contractor for all of my plumbing needs at home. Paul and his crews have always done a fantastic job. I have hired Proficient Plumbing for many different kinds of work from drain cleaning and sewer line cleaning to installations and repairs of faucets, hoses, etc. Every time, the work is done as promised, on time and with no concerns. Prices are fair, communication is great and overall service is excellent. I don’t hesitate to use Proficient Plumbing when I need them, and neither should you."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+74

1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Mr Fixit Plumbing/ CNJ Home Services
Mr Fixit Plumbing/ CNJ Home Services
4.9(
91
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"My son owns a rental property in Old Bridge NJ. Although he had it inspected prior to purchase there were a few plumbing issues left behind. In his efforts to repair those issues promptly and correctly, he hired MrFixit CNJ Home Service located in Manalapan, NJ. Rob at MrFixit was very helpful and sent a technician. In the end everything was done properly, fairly and even included a discount! We are very pleased with the great service and fair pricing! Services: Find & repair leak, Repair toilet"
Mrfixit CNJ made a Complete transformation of my bathrooms with True quality & comfort in mind.
The lights & Rainhead really make this bathroom
Additional Photos
Additional Photos
Additional Photos

+48

Response time9 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Just In Case Plumbing & Heating LLC
Just In Case Plumbing & Heating LLC
5.0(
58
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Warranties offered

Credit card accepted

"Alec and his team provided excellent, professional service and were very thorough in their work. Alec also identified a few additional issues and clearly explained how we could address them ourselves in a simple and cost-effective way. I would strongly recommend him for any plumbing needs."
Plumbing Project
Plumbing Project
Before
Basement Bathroom
Water Heaters Project

+14

Recommended by46%of homeowners
Avatar for Proficient Plumbing and Heating, LLC
Proficient Plumbing and Heating, LLC
4.8(
36
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Credit card accepted

"Top notch. What started out as cleaning out the drain ended up with20 feet of pipe being replaced. That was a big clog. Work was done om time and we were more than satisfied with the result."
Hot water heater
Single handle
Three handle
Response time5 hrs
82 neighbors recently requested a quote
Recommended by79%of homeowners
Primo Plumbing, LLC
4.5(
35
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, 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 Under Pressure Plumbing, LLC
Under Pressure Plumbing, LLC
5.0(
5
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

""Excellent service from Under Pressure Plumbing. They were prompt, professional, and unclogged my drain in no time. Transparent, reasonable pricing as well. Highly recommended for anyone looking for a hassle-free experience!""
Bath remodel
Bath remodel
Bath remodel shower
Double vanity
1 neighbors recently requested a quote
Avatar for Best Pro Service, LLC
Best Pro Service, LLC
4.8(
68
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Excellent experience. Andrew was extremely accommodating, we had very specific requests in terms of our order. He was transparent and honest about the offerings and made changes to orders placed to acquiesce to our needs. He responded to all inquiries promptly and did a fantastic job with installation. Above and beyond. Would highly recommend!"
Custom Window Treatments
Zebra shades
Zebra shades
Zebra shades
Zebra shades

+40

Response time1 day
258 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for KP Plumbing
KP Plumbing
5.0(
12
)
Plumbing for a Remodel or Addition - Install

Serving Millstone-township, NJ and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Kyle and his crew were very efficient and professional. The whole process was very smooth and I was very happy overall! Will definitely be using KSP plumbing again for future plumbing projects."
4 zones of radiant heat/ 1 zone of baseboard heat. This unit is also a tankless water heater.
4 zones of radiant heat/ 1 zone of baseboard heat. This unit is also a tankless water heater.
4 zones of radiant heat/ 1 zone of baseboard heat. This unit is also a tankless water heater.
4 zones of radiant heat/ 1 zone of baseboard heat. This unit is also a tankless water heater.
4 zones of radiant heat/ 1 zone of baseboard heat. This unit is also a tankless water heater.

+21

Response time2 days
Response rate100%
Recommended by91%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Millstone-township, 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 Millstone-township, 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.