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Find Plumbing installers for a remodel or addition in Katonah

Avatar for In Town Plumbing and Heating, Corp.
In Town Plumbing and Heating, Corp.
4.9(
29
)

Serving Katonah, NY and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Guy has done all the plumbing work and repairs in my house for many years. He is awesome! From the boiler to the sewer to the toilets and faucets, he has done it all here and Iâ ve always been very happy with his work. Highly recommend!"
Navien Combi Boiler Install
Navien Combi Boiler Install
Oil Fired Weil-McLain Boiler
Navien Combi Boiler Install
Weil-McLain High Efficiency Boiler

+22

Response time11 hrs
38 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for KG Plumbing
KG Plumbing
5.0(
6
)

Serving Katonah, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"I don?t usually leave reviews, but I had to write this one after the help I received. I had an unexpected issue with my water heater and was completely stuck : no hot water, and I didn?t know who to call. Thankfully, I got in touch with KG Plumbing and even though it was short notice and not an easy job, he stepped in without hesitation. He came through in an emergency situation and handled everything with speed and professionalism. The water heater issue was serious, but they diagnosed it quickly, explained everything clearly, and got it fixed in no time. I honestly don?t know what I would?ve done without their help. Highly recommend for anyone who needs reliable, honest, and quick plumbing service especially in a pinch!"
Response time2 hrs
Response rate91%
1 neighbors recently requested a quote
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.7(
25
)

Serving Katonah, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Cassidy is professional, punctual, and clearly communicate. Thank you for guidance and repairing our corroded pipe. Thanks for installing the valve for the expansion tank too! I didn’t realize how much money that will save us in the future. ??"
Response time2 days
Response rate86%
14 neighbors recently requested a quote
Avatar for Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
4.7(
772
)

Serving Katonah, NY and surrounding areas

Approved (Corporate)

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!"
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+20

Response time9 hrs
15 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for PDC & SONS INC.
PDC & SONS INC.
5.0(
7
)

Serving Katonah, NY and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Paul moved my outdoor spigot from one side of the house to the other. He showed up on time, did the work flawlessly and for a reasonable price. He was knowledgeable, courteous and his craftsmanship was outstanding. I highly recommend PDC & Sons for any plumbing job and Iâ d use them again without the slightest hesitation."
Response time3 hrs
Response rate100%
Recommended by85%of homeowners
Avatar for KGC Mechanical Service, LLC
KGC Mechanical Service, LLC
5.0(
10
)

Serving Katonah, NY and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"KGC did a great job. Kelvin was able to assess the problem and fix it quickly. He also had all the right tools and spare parts handy. Friendly and knowledgeable. High recommend. "
Response time2 hrs
Response rate100%
Recommended by10%of homeowners
Avatar for Atomic Rooter Inc
Atomic Rooter Inc
4.7(
111
)

Serving Katonah, NY and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"Steven was the absolute best… arrived at the very start of only a two hour window, fixed the problem in about an hour. Very polite and courteous. I called three plumbers and he was the first to call me back and the only one who would give me a ballpark figure over the phone. The others wanted to come out and have a look for $70. even though I accurately described the job in detail. I’m thrilled to have a reliable plumber! A more than satisfied customer, Lora Harrigan"
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+6

Response time8 hrs
Response rate92%
2 neighbors recently requested a quote
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Showing 1-10 of 2688
FAQs for plumbing installation for a remodel or addition projects in Katonah, NY

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 Katonah, NY 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.