Top-rated plumbing installers for a remodel or addition.

Get matched with top plumbing installers for a remodel or addition in Cos Cob, CT

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Plumbing installers for a remodel or addition in Cos Cob

Avatar for Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
4.7(
771
)

Serving Cos Cob, CT and surrounding areas

Angi Approved

In business since 1989

Free estimates

Emergency services offered

"Hello, I just signed the contract with Sila Heating, Cooling and Plumbing on March 27, 2026. I hope everything goes well; I'll let you know at the end, once everything is installed. See you then!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time9 hrs
20 neighbors recently requested a quote
Recommended by89%of homeowners
Request Quote
Avatar for Comfort Masters
Comfort Masters
5.0(
114
)

Serving Cos Cob, CT and surrounding areas

Angi Approved

In business since 2002

Free estimates

Emergency services offered

"Finding a reliable contractor is tough these days, but I got lucky hiring Chris. He and his son arrived on time, replaced my electric hot water tank, fixed a leaking guest bathroom sink, and cleaned up afterwards. Chris is a true professional with a great attitude excellent work at a fair price. I highly recommend him."
Beautiful shower upgrade
Rain Shower
Soaking Tub
Shower Upgrade
Shower Updgrade

+7

Response time6 hrs
9 neighbors recently requested a quote
Recommended by85%of homeowners
Request Quote
Avatar for MVP Plumbing and Heating, LLC
MVP Plumbing and Heating, LLC
5.0(
15
)

Serving Cos Cob, CT and surrounding areas

Angi Approved

In business since 2012

Free estimates

Emergency services offered

"We had a standard water tank that failed on Friday July 1. I reached out to Matt with water issues from the tank, but more importantly- to find out options for a replacement. He convinced me to go with a popular and reliable tankless system. I called him at 7:40am, the parts were delivered at 11am and Matt came by at 1pm. By 3:30pm, our new system was operational. Going into a holiday weekend - that was fantastic service!"
Faucet
Modern Powder room
Wall mount faucet
Navien Combi
Old boiler

+1

Response time1 day
Recommended by100%of homeowners
Request Quote
Avatar for Roto-Rooter Plumbing & Water Cleanup
Roto-Rooter Plumbing & Water Cleanup
4.4(
159
)

Serving Cos Cob, CT and surrounding areas

Angi Approved

In business since 1935

Free estimates

Emergency services offered

"Mike was excellent. He came in was very polite and professional. He quickly provided the quote and in less than an hour had removed the old leaky faucet and installed the new one. It worked perfectly and looks amazing in the kitchen. Mike removed all the old parts and new faucet packaging. He even gave me pointers on diy checking water pressure to make sure there is not too much pressure coming in. Also, reminded me to register my Delta faucet which I did shortly after. Thank you Mike!! Price seemed a bit high, but it was done right away on a Saturday! With 6 month warranty on the plumbing work."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Response time1 day
5 neighbors recently requested a quote
Recommended by80%of homeowners
Request Quote
Avatar for L.C. Schede & Sons, Inc.
L.C. Schede & Sons, Inc.
4.4(
248
)

Serving Cos Cob, CT and surrounding areas

Angi Approved

In business since 1922

Free estimates

Emergency services offered

"Hired this company to replace two water heaters in my rental. Contractor responded quickly and got job done within few days from initial contact. Highly recommend."
$100,000 Kitchen
Master Bath/Spa
Children's Bath
Guest Bath
Response time6 hrs
11 neighbors recently requested a quote
Recommended by89%of homeowners
Request Quote
...
Showing 1-10 of 1782
FAQs for plumbing installation for a remodel or addition projects in Cos Cob, CT

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 Cos Cob, CT 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.

See all articles