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Find Plumbing installers for a remodel or addition in Waltham

Floros Plumbing and Heating
4.9(
407
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

Emergency services offered

Customers say: Quality work

"I heartily recommend Petros Floros of Floros Plumbing & Heating Co. from Melrose, serving the greater Boston area. He is a master Plumber who is expert, reliable and efficient. He has a genial demeanor and is easy to work with. No matter what he is doing, he will manage to fit you in for most immediate emergency jobs and in a reasonable time for the rest. His customer reviews on Yelp and Google and Angi are all sterling. I recently used him for a double install job with a new kitchen faucet and garbage disposal. He whipped through the project and left everything brand spanking new in perfect working order. I have used him in the past and he never disappoints."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Response time1 day
Recommended by97%of homeowners
Avatar for DL Plumbing and Heating
DL Plumbing and Heating
5.0(
5
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"David had great communication, showed up when he said he would and did a great job updating the old water lines in our basement. We also appreciated his suggestions and advice on improving our water distribution. We already have a bathroom remodel we plan on hiring him again for in the near future. We would definitely recommend him to our friends!"
Smart Leak Detection
Driveway Heating
Water Heating System
Heating Systems
Radiant Floor Heat

+4

Response time1 day
Avatar for Ken Doherty Plumbing & Heating
Ken Doherty Plumbing & Heating
5.0(
5
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Ken is the best!!! Top quality installationâ ¦very professionalâ ¦honest and sincere. Ken has performed many tasks for me in the past and has never ceased to amaze me or let me down. If you want a job done right, you canâ  t go wrong with Ken!!!"
Response time40 mins
Recommended by100%of homeowners
Avatar for ER Services Plumbing and Heating
ER Services Plumbing and Heating
4.0(
20
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

In business since 2023

Emergency services offered

Warranties offered

"The young technicians who came to my home to installed the new thermostat and move it to another wall in my home were polite and conducted themselves professionally in my home and cleaned after themselves. I very appreciated Uri suggestion when he recommended to me another alternative at the initial visit and gave me a few quotes to choose from. So I'm very happy with ER service and I would rehired these two individuals back to my home. I will definitely recommend ER to other people in my life."
Gas Lines for Commercial Building
Commercial Kitchen Faucet
Bathroom Finish
Boiler Installation
Shower Stall Finish

+21

Response time6 hrs
200 neighbors recently requested a quote
Recommended by11%of homeowners
Avatar for GEM Plumbing & Heating
GEM Plumbing & Heating
1.0(
2
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

With over 75 years of experience, GEM provides trusted plumbing services for homeowners in the Plymouth, MA area, as well as across Cape Cod. Our licensed plumbers handle everything from leak repairs and drain cleaning to water heaters, fixture installations, and emergency plumbing service.\n\nWhether you're dealing with a clogged drain or a sudden leak, we deliver fast, reliable solutions to keep your home running smoothly.

New Thermostat
During the removal
During the removal
After
During the removal

+16

Response time40 mins
Response rate100%
93 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Plumbing for a Remodel or Addition - Install

Serving Waltham, MA and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

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FAQs for plumbing installation for a remodel or addition projects in Waltham, MA

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 Waltham, MA 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.