Top 10 water quality services in Diamond Bar, CA

Porch Pro Headshot Option One Plumbing
Water Quality
Serves Diamond Bar, California
(3,520)
"Adam was great. He showed up on time and went above and beyond what any other plumber would do. Best of all, he was able to finally fix my water hammer!! I'd already had 2 other plumbers out to my house to try and fix it and didn't. Thank you again Adam and Option One Plumbing."
"Adam was great. He showed up on time and went above and beyond what any other plumber would do. Best of all, he was able to finally fix my water hammer!! I'd already had 2 other plumbers out to my house to try and fix it and didn't. Thank you again Adam and Option One Plumbing."
Porch Pro Headshot CWP Heating & Air, Inc.
Water Quality
Serves Diamond Bar, California
(159)
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
Porch Pro Headshot Jeff Shaffer Plumbing
Water Quality
Serves Diamond Bar, California
(83)
"I had a great experience with Jeff Shaffer Plumbing! He was very professional by keeping me in the loop through the whole bathroom remodel process. It is very clear just by looking at the quality of his work that he has been doing plumbing for a very long time. Next time I have a plumbing problem, ...Read more about Jeff Shaffer Plumbing
"I had a great experience with Jeff Shaffer Plumbing! He was very professional by keeping me in the loop through the whole bathroom remodel process. It is very clear just by looking at the quality of his work that he has been doing plumbing for a very long time. Next time I have a plumbing problem, ...Read more about Jeff Shaffer Plumbing
Porch Pro Headshot Aaron's Plumbing and Home Repair, Inc.
Water Quality
Serves Diamond Bar, California
(96)
Welcome to Aaron's Plumbing and Home Repair, Inc. Aaron's Plumbing has been in business since 1984 with over 50 years of collective knowledge and experience amongst all our plumbers. We believe in helping our customers as if they were our own family. We are licensed, bonded and insured.
Welcome to Aaron's Plumbing and Home Repair, Inc. Aaron's Plumbing has been in business since 1984 with over 50 years of collective knowledge and experience amongst all our plumbers. We believe in helping our customers as if they were our own family. We are licensed, bonded and insured.
Porch Pro Headshot Castle Plumbing
Water Quality
Serves Diamond Bar, California
Free Estimates, No Travel Charges Flat Rate Pricing, All Work Guaranteed State Certified Journeymen Plumbers.
Free Estimates, No Travel Charges Flat Rate Pricing, All Work Guaranteed State Certified Journeymen Plumbers.
Porch Pro Headshot Bellissimo Home Remodeling
Water Quality
Serves Diamond Bar, California
(2)
"Bellissimo Home Remodeling (BHR) is always such a pleasure to work with. I am an interior designer and have worked on several projects together with BHR the last few years. As a designer, I encounter many remodeling companies out there. But I have to say that there are 2 key attributes that sets...Read more about Bellissimo Home Remodeling
"Bellissimo Home Remodeling (BHR) is always such a pleasure to work with. I am an interior designer and have worked on several projects together with BHR the last few years. As a designer, I encounter many remodeling companies out there. But I have to say that there are 2 key attributes that sets...Read more about Bellissimo Home Remodeling
Porch Pro Headshot Care One Plumbing
Water Quality
Serves Diamond Bar, California
(48)
Care One Plumbing is Locally Owned & Operated Family Business, that specializes in Service & Repair Plumbing. With over 30 years experience in Residential, Commercial, Historical, Sewer & Drain Cleaning, Medical, Backflow Testing, we have the Plumber for your needs. We Serve the Inland Empire, San G...Read more about Care One Plumbing
Care One Plumbing is Locally Owned & Operated Family Business, that specializes in Service & Repair Plumbing. With over 30 years experience in Residential, Commercial, Historical, Sewer & Drain Cleaning, Medical, Backflow Testing, we have the Plumber for your needs. We Serve the Inland Empire, San G...Read more about Care One Plumbing
Porch Pro Headshot Jubilee Plumbing, Inc
Water Quality
Serves Diamond Bar, California
A local family-owned plumbing contractor, Jubilee Plumbing in Fontana, California, has served homeowners and business owners throughout the Inland Empire for years. Known for quality work, affordable prices, and professionalism, rest assured that we'll get the job done without breaking your budget. ...Read more about Jubilee Plumbing, Inc
A local family-owned plumbing contractor, Jubilee Plumbing in Fontana, California, has served homeowners and business owners throughout the Inland Empire for years. Known for quality work, affordable prices, and professionalism, rest assured that we'll get the job done without breaking your budget. ...Read more about Jubilee Plumbing, Inc
Porch Pro Headshot Four Elements Plumbing
Water Quality
Serves Diamond Bar, California
(26)
Four Elements Plumbing, Inc. is your family-owned-and-operated plumbing company in Bell, California, specializing in a range of residential and commercial plumbing services. Both honest and reliable, we offer the fairest process around, and if you have an emergency, we'll be there for you 24/7. Whe...Read more about Four Elements Plumbing
Four Elements Plumbing, Inc. is your family-owned-and-operated plumbing company in Bell, California, specializing in a range of residential and commercial plumbing services. Both honest and reliable, we offer the fairest process around, and if you have an emergency, we'll be there for you 24/7. Whe...Read more about Four Elements Plumbing
Porch Pro Headshot DMA Plumbing & Rooter
Water Quality
Serves Diamond Bar, California
(11)
D.M.A Plumbing & Rooter With over 20 years of experience, D.M.A plumbing & rooter can service all of your plumbing needs. The company is family owned where we treat you like family. Owner David M. Arcelay is honest, reliable, knowledgeable and will take good care of you home. Inside and out. Co...Read more about DMA Plumbing & Rooter
D.M.A Plumbing & Rooter With over 20 years of experience, D.M.A plumbing & rooter can service all of your plumbing needs. The company is family owned where we treat you like family. Owner David M. Arcelay is honest, reliable, knowledgeable and will take good care of you home. Inside and out. Co...Read more about DMA Plumbing & Rooter

Top questions to ask before hiring a water quality specialist

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for Diamond Bar water quality services

29469

Very conscientious. Uses quality parts. He and his men do nice work.

- Molly Max
116740

Your plumber replaces the main water line and they did a very professional job. Brain and Travis, I can’t remember the other young man. There are not eunuch words To professional there were.

- Oliver Hearn
82617

We been having this issue in the back of our mind for over 2 weeks know, and Option One is forcing us to go to the trouble of a lawsuit. Due to their misjudgment in identifying the right solution for a slab leak. (misjudged the leak area, provided soluti...

- Jason Chang
32235

There are not enough good things I can say about Option One Plumbing. I called the company because I had a serious drain problem. Everyone I dealt with was attentive, friendly, and professional, from the woman I spoke with on the phone tomato the appointm...

- Amanda Summers
85541

So the plumber comes to fix a faucet he charges me $150. While working on the faucet he breaks a part of it and then says he now has to charge me $1,200. He starts telling me how he needs to do something right away because when the water turns on i will ...

- chris cazares

All water quality services in Diamond Bar, CA

Porch Pro Headshot Prasad Plumbing
Water Quality
Serves Diamond Bar, California
Welcome To A. Prasad Plumbing Don't wait for plumbing problems to put you in a tight spot! Call us for all of your needs and trust your plumbing to our certified plumbing team! Whether you're dealing with a simple yet stubbornly clogged drain or need a pipe replacement, we have the tools, skills,...Read more about Prasad Plumbing
Welcome To A. Prasad Plumbing Don't wait for plumbing problems to put you in a tight spot! Call us for all of your needs and trust your plumbing to our certified plumbing team! Whether you're dealing with a simple yet stubbornly clogged drain or need a pipe replacement, we have the tools, skills,...Read more about Prasad Plumbing
Porch Pro Headshot PDQ APPLIANCE INSTALLERS, INC.
Water Quality
Serves Diamond Bar, California
Located in Anaheim, PDQ Appliance Installers is an appliance installation specialist. They have been offering exhaust fan installation, air conditioning installation, and garbage disposal installation as well as other services since 2011. PDQ Appliance Installers is licensed by the state of Californ...Read more about PDQ APPLIANCE INSTALLERS, INC.
Located in Anaheim, PDQ Appliance Installers is an appliance installation specialist. They have been offering exhaust fan installation, air conditioning installation, and garbage disposal installation as well as other services since 2011. PDQ Appliance Installers is licensed by the state of Californ...Read more about PDQ APPLIANCE INSTALLERS, INC.
Porch Pro Headshot Code Plus Plumbing, Inc.
Water Quality
Serves Diamond Bar, California
Plumbing services in Fullerton California
Plumbing services in Fullerton California
Porch Pro Headshot MVP Plumbing & Drain Service
Water Quality
Serves Diamond Bar, California
MVP Plumbing & Drain Service is your dedicated, local plumbing company ready to work when you need it. We offer complete residential, commercial and multi-family plumbing service including: drain cleaning, water leaks, gas repair/ replacement, water heaters, faucets, fixtures, drain/ sewer electron...Read more about MVP Plumbing & Drain Service
MVP Plumbing & Drain Service is your dedicated, local plumbing company ready to work when you need it. We offer complete residential, commercial and multi-family plumbing service including: drain cleaning, water leaks, gas repair/ replacement, water heaters, faucets, fixtures, drain/ sewer electron...Read more about MVP Plumbing & Drain Service
Porch Pro Headshot Right Time Rooter & Plumbing Services, Inc
Water Quality
Serves Diamond Bar, California
Working in the plumbing industry, for over 25 years, has allowed me to love what I do much more. I have the pleasure of affecting people from all walks of life and various backgrounds; including professionals to stay at home moms and dads and those with limited incomes. I not only complete the plumb...Read more about Right Time Rooter & Plumbing Services, Inc
Working in the plumbing industry, for over 25 years, has allowed me to love what I do much more. I have the pleasure of affecting people from all walks of life and various backgrounds; including professionals to stay at home moms and dads and those with limited incomes. I not only complete the plumb...Read more about Right Time Rooter & Plumbing Services, Inc
Porch Pro Headshot Concept Water
Water Quality
Serves Diamond Bar, California
Concept Water in Southern California's #1 Water treatment company and water purification service for Pelican Water Systems. With a centralized location in North Orange County, Kent Plavala, of Concept Water, is dedicated to supplying customers with optimal service and care. Kent is quick to respond ...Read more about Concept Water
Concept Water in Southern California's #1 Water treatment company and water purification service for Pelican Water Systems. With a centralized location in North Orange County, Kent Plavala, of Concept Water, is dedicated to supplying customers with optimal service and care. Kent is quick to respond ...Read more about Concept Water
Porch Pro Headshot Steel Plumbing & Drain Experts, Inc.
Water Quality
Serves Diamond Bar, California
For over a decade, Steel Plumbing & Drain Experts has been providing top-quality plumbing services in Fontana and throughout San Bernardino County. A family owned and operated company, they strive to provide the very best in workmanship and customer care. In fact, they don’t stop at just providing f...Read more about Steel Plumbing & Drain Experts, Inc.
For over a decade, Steel Plumbing & Drain Experts has been providing top-quality plumbing services in Fontana and throughout San Bernardino County. A family owned and operated company, they strive to provide the very best in workmanship and customer care. In fact, they don’t stop at just providing f...Read more about Steel Plumbing & Drain Experts, Inc.
Porch Pro Headshot H30
Water Quality
Serves Diamond Bar, California
H30 Plumbing has over 30 years of experience in the plumbing industry. We know exactly what we are doing. Our plumbing business is a family owned and operated one. We take care of all your plumbing needs. We are the solution to your problems. We undertake residential and commercial projects. Our te...Read more about H30
H30 Plumbing has over 30 years of experience in the plumbing industry. We know exactly what we are doing. Our plumbing business is a family owned and operated one. We take care of all your plumbing needs. We are the solution to your problems. We undertake residential and commercial projects. Our te...Read more about H30
Porch Pro Headshot EZ Care Plumbing
Water Quality
Serves Diamond Bar, California
We are a plumbing company with over 10 years in combined experience. We specialize in the installation, maintenance and repair of tankless and conventional water heaters, water softeners, sinks, toilets, faucets, etc. We are insured for one million general liability.
We are a plumbing company with over 10 years in combined experience. We specialize in the installation, maintenance and repair of tankless and conventional water heaters, water softeners, sinks, toilets, faucets, etc. We are insured for one million general liability.
Porch Pro Headshot STEVE REDDING PLUMBING
Water Quality
Serves Diamond Bar, California
Bathroom/kitchen remodels, water heater, plumbing fixtures, dishwasher and garbage disposal replacements, etc.
Bathroom/kitchen remodels, water heater, plumbing fixtures, dishwasher and garbage disposal replacements, etc.
Porch Pro Headshot M C PLUMBING COMPANY
Water Quality
Serves Diamond Bar, California
New company with 20 years in the plumbing industry
New company with 20 years in the plumbing industry
Porch Pro Headshot Vortex Plumbing Inc
Water Quality
Serves Diamond Bar, California
Porch Pro Headshot Rocket Plumbing Repair
Water Quality
Serves Diamond Bar, California
We are a locally owned and operated company, with over 22 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services, that are customizable to each individual project. We specialize in plumbing, and a variety of relate...Read more about Rocket Plumbing Repair
We are a locally owned and operated company, with over 22 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services, that are customizable to each individual project. We specialize in plumbing, and a variety of relate...Read more about Rocket Plumbing Repair