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Find Plumbing installers for a remodel or addition in Waltham

Floros Plumbing and Heating
4.9(
407
)

Serving Waltham, MA and surrounding areas

Approved

Emergency services offered

Customers say: Quality work

"We had an old cast iron flange that needed to be replaced. The flange was completely rusted and the toilet could no longer be screwed down. Petros expressed exactly what needed to be done to fix the issue and came prepared with a new cast iron flange. The full cost of the job was $700 which is exactly what he gave for an estimate. He was very professional and the work was completed within two hours of arrival. We highly recommend Petros and would call him again for plumbing work!"
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+3

Response time1 day
Recommended by97%of homeowners
Avatar for Aviksis Plumbing
Aviksis Plumbing
5.0(
144
)

Serving Waltham, MA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"He was prompt, responsive, cleaned up all around the job. He came in person to give an estimate which others are not always willing to do for a small job and the project was on budget. We thought we needed to replace one of the toilets but he fixed the old one instead. We would definitely hire him again."
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Response time7 hrs
Recommended by98%of homeowners
Avatar for Heavy Doody Plumbing & Heating
Heavy Doody Plumbing & Heating
4.9(
22
)

Serving Waltham, MA and surrounding areas

Approved

In business since 2013

Emergency services offered

Small jobs welcome

"Brian and his team were amazing to work with, very responsive, and extremely knowledge in hooking up the gas for our heated pool. We would recommend them to anyone looking for a gas or plumbing professional!"
back flow  for sprinkler sytym
2nd meter install
finish
finish
finish

+26

Response time4 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,397
)

Serving Waltham, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"The job was fairly straightforward and I had already procured the sink and most of the additional supplies but the job required some replumbing of both the water supply and drain. The master plumber worked efficiently and professionally and the job was completed in a few hours. The cost was determined from a standard table in a notebook but does not take into account the complexity of the job or whether materials are supplied by owner. Since I supplied most of the materials (plumber supplied valves and pipe and drain fittings) the price seemed rather high for around 3 hours work. However, I've had no professional plumbing work done recently and thus have nothing to compare it to. The plumber was very pleasant and professional and the work of high quality. I have no other complaints."
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+6

Response time2 days
65 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for DL Plumbing and Heating
DL Plumbing and Heating
5.0(
5
)

Serving Waltham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"We have used Dave as our plumber multiple times. Some projects were tankless water heater install and servicing, bathroom remodel , also he did all the plumbing for our addition including kitchen/laundry/ bath. Always reliable with good communication. Will continue to use Dave!"
Smart Leak Detection
Driveway Heating
Water Heating System
Heating Systems
Radiant Floor Heat

+4

Response time1 day
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
521
)

Serving Waltham, MA and surrounding areas

Approved

In business since 1928

Emergency services offered

Warranties offered

"Not easy finding an HVAC company willing to install a gas steam boiler. These guys did it all and did it well, removing the old oil burner and oil tank, installing a Weil McClain boiler including steam piping and hot water, installing gas piping, electrical and plumbing, including all inspections, even leaving me a temporary hot water heater until the furnace installation was completed. They fully accommodated my schedule as well. The town electrical inspector who came after installation was complete confirmed their good reputation."
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49 neighbors recently requested a quote
Recommended by86%of homeowners
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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.