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Find Plumbing installers for a remodel or addition in Sebastopol

Avatar for GoFlow Plumbing
GoFlow Plumbing
5.0(
7
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Your plumbing problem becomes our problem to solve.\n\nThat’s not just a tagline, it’s how we operate. When you call GOFLOW, you’re getting a team that knows this area, knows plumbing, and genuinely cares about doing the job right.\n\nWe’re not a franchise. We’re not a call center routing you to whoever’s available. We’re a local company built by plumbers who got tired of watching customers get treated like transactions instead of people.

Kept existing config
Min visual impact
Moen Flo Install
Backflow Preventer
Backflow Preventer

+2

25 neighbors recently requested a quote
Avatar for Bowen Plumbing
Bowen Plumbing
4.4(
8
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"I had a leak in a pipe in the radiant heating pipes in the slab under my house. James was able to isolate the leak and re plumb my system without cutting a hole in the slab. He and his crew did some great creative plumbing that took care of the leak and separated the unused radiant system from my household plumbing and they even installed a new tankless heater in a single days work.. I recommend James and Bowen Plumbing without reservation. They are the Best!"
Response time5 hrs
Recommended by71%of homeowners
Avatar for Bragg Home Services
Bragg Home Services
5.0(
12
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

For over 56 years Bragg Home Services has specialized in offering residential and light commercial plumbing, heating, and air conditioning services to the residents of Sonoma, Marin, and Napa Counties. At Bragg Home Services we know that our customers expect integrity, excellence, value, and commitment. That’s why at Bragg Home Services we hire only the best people, and use only the best products, offering exceptional value, backed by our lifetime workmanship guarantee. Because at Bragg Home Services, your satisfaction is our number 1 priority.

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+9

Response time9 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for KEKAS PLUMBING INC
KEKAS PLUMBING INC
4.8(
5
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2012

Emergency services offered

Credit card accepted

"It went great. I had no problems. All three guys were very polite and professional. When I worked with Sergio who's the main guy, he was easy to contact and is very accessible. He is very informative whenever there us an issue or when we're trying to figure out how to handle something. I found them great."
Additional Photos
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5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Mike Testa Plumbing Inc
Mike Testa Plumbing Inc
4.3(
7
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"Finally!  A plumber that shows up on time and does efficient and neat work.  Also doesn't aggressively try to upsell you on other services.  One more thing, we supplied the faucet to be installed and there was no attempt to charge us for the lost commission  the company did not get on the sale for the faucet.   In other words, just what you should expect from a plumber."
My jobs
My jobs
My jobs
My jobs
My jobs

+3

41 neighbors recently requested a quote
Recommended by100%of homeowners
MORENO PLUMBING
5.0(
3
)
Plumbing for a Remodel or Addition - Install

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

"Moreno Plumbing has a number of excellent qualities. They are 'timerly' (they show up on time). They are very 'considerate' (keeping me informed about my plumbing problem as they worked to solve the problem). The cost of their services is reasonable. Why did I give them FIVE STARS .... BECAUSE THEY EARNED THEM!"
Response time1 day
3 neighbors recently requested a quote
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Showing 1-10 of 115
FAQs for plumbing installation for a remodel or addition projects in Sebastopol, CA

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 Sebastopol, CA 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.