Top-rated plumbing installers for a remodel or addition.

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Plumbing installers for a remodel or addition in Mill Valley

Avatar for Wolff Contracting, Inc.

Wolff Contracting, Inc.

3200 Dutton AVenue, Ste. 117
4.95(
12
)
Approved Pro

Wolff Contracting, Inc.

3200 Dutton AVenue, Ste. 117
4.95(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 years of experience

Nothing improves the value of your home more than professional updates. Wolff Contracting, Inc., offers fast, friendly and courteous service. We use only the best products and are always eager to answer your questions and concerns. We have built our reputation on our commitment to providing quality service, which has earned us an impressive reputation with many valuable customers. We take pride in delivering value through top quality, dependable work with excellent price and reliable, honest service.

"Wolff Construction started our small job a few days after we spoke and was done in a-day and a-half later. I'm thrilled."

Steve C on February 2017

Nothing improves the value of your home more than professional updates. Wolff Contracting, Inc., offers fast, friendly and courteous service. We use only the best products and are always eager to answer your questions and concerns. We have built our reputation on our commitment to providing quality service, which has earned us an impressive reputation with many valuable customers. We take pride in delivering value through top quality, dependable work with excellent price and reliable, honest service.

"Wolff Construction started our small job a few days after we spoke and was done in a-day and a-half later. I'm thrilled."

Steve C on February 2017


Avatar for Milano Mechanical, Inc.

Milano Mechanical, Inc.

1317 Scott Street
5.00(
1
)
Approved Pro

Milano Mechanical, Inc.

1317 Scott Street
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 years of experience

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Great job"

Kenneth G on September 2022

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Great job"

Kenneth G on September 2022


Reichert Building Solutions

11 Friendly Lane
5.00(
4
)
Approved Pro

Reichert Building Solutions

11 Friendly Lane
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

With years of experience serving the area, we are your solution for all your (PWC) needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

"they are great"

Jenny H on July 2024

With years of experience serving the area, we are your solution for all your (PWC) needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

"they are great"

Jenny H on July 2024


Pedro Galvan Plumbing, Inc.

5405 Ace Ct
4.85(
17
)
Approved Pro

Pedro Galvan Plumbing, Inc.

5405 Ace Ct
4.85(
17
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
21 years of experience

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"We are incredibly grateful to Pedro Galvan and his team for stepping in during a moment of urgent need. When our hot water system suddenly failed, leaving us without hot water for daily essentials, Pedro responded with a level of professionalism, clarity, and compassion that is truly rare. From the very first call, Pedro was attentive, transparent about pricing, and committed to solving the problem quickly. He provided us with the most cost-effective and honest quote out of several we obtained—and, even more importantly, was able to come almost immediately when others could not. His workmanship was precise, efficient, and tidy. It was clear we were in the hands of someone who genuinely takes pride in his craft. In a world where so many service professionals overpromise and underdeliver, Pedro Galvan delivers exactly what he promises—and does so with warmth, integrity, and a deep respect for his clients. We recommend him without hesitation to anyone needing plumbing services."

nicola s on July 2025

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"We are incredibly grateful to Pedro Galvan and his team for stepping in during a moment of urgent need. When our hot water system suddenly failed, leaving us without hot water for daily essentials, Pedro responded with a level of professionalism, clarity, and compassion that is truly rare. From the very first call, Pedro was attentive, transparent about pricing, and committed to solving the problem quickly. He provided us with the most cost-effective and honest quote out of several we obtained—and, even more importantly, was able to come almost immediately when others could not. His workmanship was precise, efficient, and tidy. It was clear we were in the hands of someone who genuinely takes pride in his craft. In a world where so many service professionals overpromise and underdeliver, Pedro Galvan delivers exactly what he promises—and does so with warmth, integrity, and a deep respect for his clients. We recommend him without hesitation to anyone needing plumbing services."

nicola s on July 2025


Avatar for Divine Electric, Inc.

Divine Electric, Inc.

2935 Kerner Boulevard, Suite E
4.76(
25
)
Approved Pro

Divine Electric, Inc.

2935 Kerner Boulevard, Suite E
4.76(
25
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 local quotes requested

Award-winning, 5-Star Services in Marin since 2003!  Electrical, Plumbing, Generator, and Quiet Cool whole house fan experts!  We understand that your homes Electrical and Plumbing Systems are important.  We help you stay safe and up to speed with todays modern home needs and we are dedicated to helping you with yours.  We are experts in Electric Vehicle Charging, and we stock charging units (Chargepoint and Tesla) for same day installations.  We are experts in home standby and portable generators with transfer switches, and we stock this equipment too (Generac, Honda, Champion, Reliance and more.  We are experts in Quiet Cool whole house systems too.   Give us a call today for instant scheduling of any of our services! Divine Electric and Plumbing is locally owned and operated.  We are licensed, insured, and bonded.

"Good service. Nice clean team"

Mathew K on April 2024

Award-winning, 5-Star Services in Marin since 2003!  Electrical, Plumbing, Generator, and Quiet Cool whole house fan experts!  We understand that your homes Electrical and Plumbing Systems are important.  We help you stay safe and up to speed with todays modern home needs and we are dedicated to helping you with yours.  We are experts in Electric Vehicle Charging, and we stock charging units (Chargepoint and Tesla) for same day installations.  We are experts in home standby and portable generators with transfer switches, and we stock this equipment too (Generac, Honda, Champion, Reliance and more.  We are experts in Quiet Cool whole house systems too.   Give us a call today for instant scheduling of any of our services! Divine Electric and Plumbing is locally owned and operated.  We are licensed, insured, and bonded.

"Good service. Nice clean team"

Mathew K on April 2024


Avatar for BAYPRO PLUMBING

BAYPRO PLUMBING

611 BRIGHTON RD PACIFICA
5.00(
4
)
Approved Pro

BAYPRO PLUMBING

611 BRIGHTON RD PACIFICA
5.00(
4
)
Approved Pro

BAYPRO PLUMBING We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Ed is my go to plumber . He regularly services my apts and laundrymat . Remodels,service calls and maintenance. He is prompt efficient and clean. I am an electrician by day and I recognize a good tradesman. "

Steve M on August 2025

BAYPRO PLUMBING We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Ed is my go to plumber . He regularly services my apts and laundrymat . Remodels,service calls and maintenance. He is prompt efficient and clean. I am an electrician by day and I recognize a good tradesman. "

Steve M on August 2025


Avatar for Crystal Oak Builders

Crystal Oak Builders

28 Pamaron Way
5.00(
5
)
Approved Pro

Crystal Oak Builders

28 Pamaron Way
5.00(
5
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
105 local quotes requested

Crystal Oak Builders is a full-service residential, eco-friendly construction and interior design company. We create beautiful, fresh and affordable interiors throughout the Bay Area. Hi My Name is Heidi Charles. I am the General Contractor / Owner of Crystal Oak Builders. Thank you So much for Reading Our Page. I look forward to the Opportunity to work with You. We are truly excited and passionate about working with our clients every step of the way. From the initial design phase, to product selection, to demo and construction, your happiness is our main goal. We will ask for you to share your budget information and will make every effort to work within those parameters, incorporating everything on your wish list. Included in the cost of your project is our Design Care Coordinator, who will meet with you and help you to choose everything needed for your rennovation. Our computer generated drawings will help you to envision your completed space and make sure it is exactly what you want. Also, our Project Manager will oversee your project from start to finish. We want this process to be as smooth and enjoyable as possible.

"Working with Crystal Oak builders was a wonderful experience from start to finish. They always kept everything clean and was easy to work with. Everything came out beautifully all their work was top-notch. I work with again in a second."

Jill L on March 2025

Crystal Oak Builders is a full-service residential, eco-friendly construction and interior design company. We create beautiful, fresh and affordable interiors throughout the Bay Area. Hi My Name is Heidi Charles. I am the General Contractor / Owner of Crystal Oak Builders. Thank you So much for Reading Our Page. I look forward to the Opportunity to work with You. We are truly excited and passionate about working with our clients every step of the way. From the initial design phase, to product selection, to demo and construction, your happiness is our main goal. We will ask for you to share your budget information and will make every effort to work within those parameters, incorporating everything on your wish list. Included in the cost of your project is our Design Care Coordinator, who will meet with you and help you to choose everything needed for your rennovation. Our computer generated drawings will help you to envision your completed space and make sure it is exactly what you want. Also, our Project Manager will oversee your project from start to finish. We want this process to be as smooth and enjoyable as possible.

"Working with Crystal Oak builders was a wonderful experience from start to finish. They always kept everything clean and was easy to work with. Everything came out beautifully all their work was top-notch. I work with again in a second."

Jill L on March 2025


Avatar for United States Plumbing

United States Plumbing

445 S E St
5.00(
8
)
Approved Pro

United States Plumbing

445 S E St
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
327 local quotes requested

As a plumbing company we do drain cleaning, emergency services, new plumbing for a remodel or new construction. We have the experience and dedication to get the job done right! Specializing in Plumbing services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today! No job is too big or too small. We do it all at U.S.P.! Now offering Cured In Place Pipe Relining, ask for details!

"Highly recommend. Ace responded immediately to our issue, and Luis showed up right on time. Professional, courteous, knowledgeable, and reasonably priced. Can't speak highly enough of the experience. Thanks again!"

Robin H on August 2024

As a plumbing company we do drain cleaning, emergency services, new plumbing for a remodel or new construction. We have the experience and dedication to get the job done right! Specializing in Plumbing services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today! No job is too big or too small. We do it all at U.S.P.! Now offering Cured In Place Pipe Relining, ask for details!

"Highly recommend. Ace responded immediately to our issue, and Luis showed up right on time. Professional, courteous, knowledgeable, and reasonably priced. Can't speak highly enough of the experience. Thanks again!"

Robin H on August 2024


Avatar for FDL PLUMBING INC

FDL PLUMBING INC

4547 Callan Blvd
5.00(
14
)
Approved Pro

FDL PLUMBING INC

4547 Callan Blvd
5.00(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
457 local quotes requested

With sixteen 5star reviews on our Angi Leads profile, we’ve been helping homeowners with their everyday plumbing needs. Find our company’s profile on the Home Advisor site. Give us a call for your free estimate or consultation to give your the best solution and competitive prices. With over 25 years experience in the trade, from water heaters, tankless, drain cleanning, faucet leak repairs, faucet replacements, sewer cleanning/replacements, disposals, water filters, hot water dispensers and more.

"Great. Everything was done while we were out of town. Francisco was responsive, knowledgeable and did exactly what he said he would."

Diane J on March 2025

With sixteen 5star reviews on our Angi Leads profile, we’ve been helping homeowners with their everyday plumbing needs. Find our company’s profile on the Home Advisor site. Give us a call for your free estimate or consultation to give your the best solution and competitive prices. With over 25 years experience in the trade, from water heaters, tankless, drain cleanning, faucet leak repairs, faucet replacements, sewer cleanning/replacements, disposals, water filters, hot water dispensers and more.

"Great. Everything was done while we were out of town. Francisco was responsive, knowledgeable and did exactly what he said he would."

Diane J on March 2025


Avatar for Moore Home Services

Moore Home Services

3321 Industrial Drive
4.71(
388
)
Approved Pro

Moore Home Services

3321 Industrial Drive
4.71(
388
)
Approved Pro
Customers say: Super punctual
558 local quotes requested
16 years of experience

At Moore Home Services, your comfort is our promise. Since 2009, we’ve grown into a trusted HVAC leader across Northern California with 50+ trucks and 100+ highly trained team members. We believe in 100% honesty—if a simple repair is best, that’s exactly what you’ll get. Our HVAC services come with a 1-Year Trial Guarantee: if you’re not completely satisfied, we’ll refund every penny. From furnace repairs to A/C installs, our friendly, expert techs are here to help—because your happiness is our only goal.

"Technician was great and got it done quickly. Explained everything."

Niya G on November 2023

At Moore Home Services, your comfort is our promise. Since 2009, we’ve grown into a trusted HVAC leader across Northern California with 50+ trucks and 100+ highly trained team members. We believe in 100% honesty—if a simple repair is best, that’s exactly what you’ll get. Our HVAC services come with a 1-Year Trial Guarantee: if you’re not completely satisfied, we’ll refund every penny. From furnace repairs to A/C installs, our friendly, expert techs are here to help—because your happiness is our only goal.

"Technician was great and got it done quickly. Explained everything."

Niya G on November 2023

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FAQs for plumbing installation for a remodel or addition projects in Mill Valley, 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 Mill Valley, 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.