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Plumbing installers for a remodel or addition in Diamond Bar

Avatar for Cruz Plumbing and Rooter Services
Cruz Plumbing and Rooter Services
1308 Monte Vista Avenue, Suite 4
4.92(
13
)
Approved Pro
Cruz Plumbing and Rooter Services
1308 Monte Vista Avenue, Suite 4
4.92(
13
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 years of experience

Cruz Plumbing and Rooter Services began our business with the main focus on Customer Service. It is our goal to treat every client as family. We will answer each question, giving you the confidence in our services, repairs and pricing. Our pride is to provide our customers with the information for them to be able to make informed, educated decisions when it comes to their plumbing service needs. Our team has been highly trained in all jobs, large or small, and is in contact with myself to ensure the job is completed to the stated specifics. We thank you for selecting Cruz Plumbing and Rooter Services. We appreciate your call to give us the opportunity to provide you with the best services and pricing available. Christian Cruz

"Very Professional and knowledgeable with plumbing. Mr Cruz provided quick service and understood why we wanted this project done quickly to facilitate my mother's handicap situation. Hoping to give him more business in the future. Thank You"

Kaizad A on June 2022

Cruz Plumbing and Rooter Services began our business with the main focus on Customer Service. It is our goal to treat every client as family. We will answer each question, giving you the confidence in our services, repairs and pricing. Our pride is to provide our customers with the information for them to be able to make informed, educated decisions when it comes to their plumbing service needs. Our team has been highly trained in all jobs, large or small, and is in contact with myself to ensure the job is completed to the stated specifics. We thank you for selecting Cruz Plumbing and Rooter Services. We appreciate your call to give us the opportunity to provide you with the best services and pricing available. Christian Cruz

"Very Professional and knowledgeable with plumbing. Mr Cruz provided quick service and understood why we wanted this project done quickly to facilitate my mother's handicap situation. Hoping to give him more business in the future. Thank You"

Kaizad A on June 2022


Avatar for All Plumbing & Air Solutions
All Plumbing & Air Solutions
PO Box 7119
New on HomeAdvisorNew on Angi
Approved Pro
All Plumbing & Air Solutions
PO Box 7119
New on AngiNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

All Plumbing Solutions is 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.

All Plumbing Solutions is 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.


AGL Plumbing & Construction, Inc.
631 E 121st Place
5.00(
2
)
Approved Pro
AGL Plumbing & Construction, Inc.
631 E 121st Place
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

At company , our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"They are a grate company, did the job in a timely meaner."

Scott H on August 2023

At company , our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"They are a grate company, did the job in a timely meaner."

Scott H on August 2023


Avatar for Plumbers Hub LLC
Plumbers Hub LLC
9042 Sycamore AVE #109
5.00(
4
)
Approved Pro
Plumbers Hub LLC
9042 Sycamore AVE #109
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

Plumbers Hub LLC has been dedicated to this craft for over 15 years. We pride the company on reliability, excellent communication, integrity, and quality work. We strongly believe in giving our absolute best in all our projects no matter how big or small. We look forward to earning your business!

"Readily available and quick to provide service. Plumber Hubs has come to our rescue at critical times of need. Weâ ve recommended them time and again to neighbors and friends. The company was very professional and accurate in detecting the problem the first time around. The number is saved to contacts for quick reference!"

Vanessa L on August 2021

Plumbers Hub LLC has been dedicated to this craft for over 15 years. We pride the company on reliability, excellent communication, integrity, and quality work. We strongly believe in giving our absolute best in all our projects no matter how big or small. We look forward to earning your business!

"Readily available and quick to provide service. Plumber Hubs has come to our rescue at critical times of need. Weâ ve recommended them time and again to neighbors and friends. The company was very professional and accurate in detecting the problem the first time around. The number is saved to contacts for quick reference!"

Vanessa L on August 2021


Avatar for Socal Express Restoration and Construction Inc.
Socal Express Restoration and Construction Inc.
6860 Canby Avenue, Suite 114
New on HomeAdvisorNew on Angi
Approved Pro
Socal Express Restoration and Construction Inc.
6860 Canby Avenue, Suite 114
New on AngiNew on HomeAdvisor
Approved Pro
5 years of experience
Free onsite estimate

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You’ll be pleased you did. Thank you

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You’ll be pleased you did. Thank you


Avatar for Tru Plumbing Mechanical
Tru Plumbing Mechanical
12112 Ferina St
5.00(
1
)
Approved Pro
Tru Plumbing Mechanical
12112 Ferina St
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Tru Plumbing Mechanical is veteran and family owned and operated with 30 years of combined experience. We provide homeowners and commercial businesses with plumbing services 24 hours a day., 7 days a week. We can assist you with a wide range of plumbing services. Tru Plumbing Mechanical has the training and experience to help resolve major plumbing and sewer issues at fractions of the cost. We are licensed, bonded and insured professionals that can resolve any plumbing issue you are encountered with. Call us at (562)991-3805 for Fast, Friendly Service. The team at Tru Plumbing Mechanical have the technical skills to resolve all plumbing issues you may have along with preventive tips and maintenance ideas to make your plumbing last for a long time. We set goals to provide all families with a piece of mind and ensure everyone we encounter that they can feel comfortable in knowing that their trust and confidence is what we set out to accomplish.

"Iâ m not going to go on about what was the plumbing issue and how it got resolved. What I am going to say is that Johnny from Tru Plumbing is the most honest, hardworking, helpful plumber on this earth! He treats your house and problems as if they were his own! Johnny has gone back and forth, spent more time than necessary to solve our root problems and his communication skills are beyond any other plumber. He answers the phone practically in the middle of the night even! I would recommend calling him for all your plumbing needs. Heâ s fixed gas leaks, broken pipes, broken sewer lines, clogged sewer lines for us and much more! Thank you Johnny"

Fathima T on May 2023

Tru Plumbing Mechanical is veteran and family owned and operated with 30 years of combined experience. We provide homeowners and commercial businesses with plumbing services 24 hours a day., 7 days a week. We can assist you with a wide range of plumbing services. Tru Plumbing Mechanical has the training and experience to help resolve major plumbing and sewer issues at fractions of the cost. We are licensed, bonded and insured professionals that can resolve any plumbing issue you are encountered with. Call us at (562)991-3805 for Fast, Friendly Service. The team at Tru Plumbing Mechanical have the technical skills to resolve all plumbing issues you may have along with preventive tips and maintenance ideas to make your plumbing last for a long time. We set goals to provide all families with a piece of mind and ensure everyone we encounter that they can feel comfortable in knowing that their trust and confidence is what we set out to accomplish.

"Iâ m not going to go on about what was the plumbing issue and how it got resolved. What I am going to say is that Johnny from Tru Plumbing is the most honest, hardworking, helpful plumber on this earth! He treats your house and problems as if they were his own! Johnny has gone back and forth, spent more time than necessary to solve our root problems and his communication skills are beyond any other plumber. He answers the phone practically in the middle of the night even! I would recommend calling him for all your plumbing needs. Heâ s fixed gas leaks, broken pipes, broken sewer lines, clogged sewer lines for us and much more! Thank you Johnny"

Fathima T on May 2023


Avatar for ROOTER ER & PLUMBING INC
ROOTER ER & PLUMBING INC
31500 GRAPE ST STE 3 - 288
4.53(
20
)
Approved Pro
ROOTER ER & PLUMBING INC
31500 GRAPE ST STE 3 - 288
4.53(
20
)
Approved Pro
Customers say: Quality work
22 local quotes requested
19 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We are fully licensed, bonded and insured. We look forward to earning your business! Book with us online or feel free to give us a call today!

"BE CAREFUL ABOUT THIS GUY -It was completely unprofessional and careless -The most unprofessional experience. From the start, it was clear I couldn?t trust them to do the job right without constant supervision. I had to spend my entire day watching over them just to get a simple water heater replacement done. Even with me standing there, they still managed to do sloppy work. The area was left a mess, tools and materials scattered everywhere, and they didn?t care to protect the space. Worst of all, they loosely installed the drain pan pipe, which could have caused a serious issue later. When I pointed it out, instead of fixing it properly, the guy just left without even trying to address the problem. "

Hameed K on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We are fully licensed, bonded and insured. We look forward to earning your business! Book with us online or feel free to give us a call today!

"BE CAREFUL ABOUT THIS GUY -It was completely unprofessional and careless -The most unprofessional experience. From the start, it was clear I couldn?t trust them to do the job right without constant supervision. I had to spend my entire day watching over them just to get a simple water heater replacement done. Even with me standing there, they still managed to do sloppy work. The area was left a mess, tools and materials scattered everywhere, and they didn?t care to protect the space. Worst of all, they loosely installed the drain pan pipe, which could have caused a serious issue later. When I pointed it out, instead of fixing it properly, the guy just left without even trying to address the problem. "

Hameed K on April 2025


Avatar for Flow Tech Plumbing
Flow Tech Plumbing
304 Terra Bella
5.00(
13
)
Approved Pro
Flow Tech Plumbing
304 Terra Bella
5.00(
13
)
Approved Pro
1 years of experience
Free onsite estimate

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

"Flow Tech very profession, knowledgeable, good pricing, honest person"

marc c on June 2025

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

"Flow Tech very profession, knowledgeable, good pricing, honest person"

marc c on June 2025


Avatar for Dylan’s Plumbing Group, Inc.
Dylan’s Plumbing Group, Inc.
2847 E Brut Privado Apt #95
4.43(
7
)
Approved Pro
Dylan’s Plumbing Group, Inc.
2847 E Brut Privado Apt #95
4.43(
7
)
Approved Pro
Customers say: Quick response
Free onsite estimate
Emergency services offered

Dylan's Plumbing Group is a family operated business. Our specialties are re-pipes, leak detection, water heaters, and drains. We opened this business because we genuinely care about our customers, and we understand that people are tired of the salesman pitch. If you want a friendly plumber with free estimates, please give us a call. We are honest and to the point and will take care of you like you are family.

"My house needed to be re-piped and Dylan finished it all in 1 day! (3 bedroom, 2 bathroom) Dylan was friendly, knowledgable, and worked quickly to ensure I wasn?t without water for too long. He stayed in touch and communicated proactively so I was always aware of what was going on. Thank you Dylan! I appreciate you and highly recommend you to those who need reliable plumbing done by someone friendly."

Gabbiy R on June 2025

Dylan's Plumbing Group is a family operated business. Our specialties are re-pipes, leak detection, water heaters, and drains. We opened this business because we genuinely care about our customers, and we understand that people are tired of the salesman pitch. If you want a friendly plumber with free estimates, please give us a call. We are honest and to the point and will take care of you like you are family.

"My house needed to be re-piped and Dylan finished it all in 1 day! (3 bedroom, 2 bathroom) Dylan was friendly, knowledgable, and worked quickly to ensure I wasn?t without water for too long. He stayed in touch and communicated proactively so I was always aware of what was going on. Thank you Dylan! I appreciate you and highly recommend you to those who need reliable plumbing done by someone friendly."

Gabbiy R on June 2025


Sycrony J&J Plumbing Inc
3073 Coventry St
5.00(
1
)
Approved Pro
Sycrony J&J Plumbing Inc
3073 Coventry St
5.00(
1
)
Approved Pro
1 years of experience
Emergency services offered

We’re dedicated to providing our clients with the very best in service, installation, and repair to meet your plumbing needs. We specialize in mechanical piping and a variety of residential and commercial services. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Andres did a great job replacing approx 40 LF of my main water line between the utility water meter to the shut of valve by the front door Andre’s was showed up at 7am and worked until 4:30pm as he committed to be done in one day. Pricing was competitive and the quality of work very good. After completing the task at hand, he cleaned up the walkway path, flower bed and patch back the grass that he’d to be removed. Great Job Andres "

Mark F on March 2025

We’re dedicated to providing our clients with the very best in service, installation, and repair to meet your plumbing needs. We specialize in mechanical piping and a variety of residential and commercial services. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Andres did a great job replacing approx 40 LF of my main water line between the utility water meter to the shut of valve by the front door Andre’s was showed up at 7am and worked until 4:30pm as he committed to be done in one day. Pricing was competitive and the quality of work very good. After completing the task at hand, he cleaned up the walkway path, flower bed and patch back the grass that he’d to be removed. Great Job Andres "

Mark F on March 2025

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Showing 1-10 of 952

FAQs for plumbing installation for a remodel or addition projects in Diamond Bar, 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 Diamond Bar, 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.
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modern bathroom remodel with new sink
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Use this guide to budget for sewer line replacement costs based on factors such as location, trenching, materials, repairs, landscaping, and more.
newly remodeled bathroom with new bath tub
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Budget for bathtub replacement costs based on factors such as bathtub type, material, removal, hardware, labor, plumbing work, and more.
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Use this guide to budget for toilet repair costs based on factors such as problem type, replacement part prices, labor, and more.
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Looking to remodel your shower? Here’s how much it costs, what factors affect cost, and what to expect.
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