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Top 10 water quality services in Diamond Bar, CA

Porch Pro Headshot Option One Plumbing

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 Ameri-Cal Repipe & Plumbing

Ameri-Cal Repipe & Plumbing

Water Quality
Serves Diamond Bar, California
(269)
Ameri-Cal Repipe and Plumbing is serving top-of-the chart services to its customers from over 17 years. With 100% customer satisfaction rate we are leading in this class of business after all customer satisfaction is our aim. By this approach we have outshined all our rivals slowly and steadily.
Ameri-Cal Repipe and Plumbing is serving top-of-the chart services to its customers from over 17 years. With 100% customer satisfaction rate we are leading in this class of business after all customer satisfaction is our aim. By this approach we have outshined all our rivals slowly and steadily.
Porch Pro Headshot CWP Heating & Air, Inc.

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 North Brothers Plumbing

North Brothers Plumbing

Water Quality
Serves Diamond Bar, California
(81)
For nearly two decades, North Brothers Plumbing has been helping clients in Monrovia and Pasadena resolve their water purification issues. We're a family-owned company that is dedicated to providing the best service possible for every customer. For a personalized evaluation about whole-house water ...Read more about North Brothers Plumbing
For nearly two decades, North Brothers Plumbing has been helping clients in Monrovia and Pasadena resolve their water purification issues. We're a family-owned company that is dedicated to providing the best service possible for every customer. For a personalized evaluation about whole-house water ...Read more about North Brothers Plumbing
Porch Pro Headshot Castle Plumbing

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 Care One Plumbing

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 Suburban Plumbing

Suburban Plumbing

Water Quality
Serves Diamond Bar, California
(42)
At Suburban Plumbing, we pride ourselves on providing our customers with reasonable pricing, quality workmanship, and professional service on every call. When you work with Suburban Plumbing, you know you are getting high quality products and exceptional service facilitated by cutting edge technolog...Read more about Suburban Plumbing
At Suburban Plumbing, we pride ourselves on providing our customers with reasonable pricing, quality workmanship, and professional service on every call. When you work with Suburban Plumbing, you know you are getting high quality products and exceptional service facilitated by cutting edge technolog...Read more about Suburban Plumbing
Porch Pro Headshot A.C.R Contracting & Handyman Services

A.C.R Contracting & Handyman Services

Water Quality
Serves Diamond Bar, California
(16)
We are a multifaceted service company. We provide: General construction, kitchen, bathroom remodels. Door, window installations. Remove walls or install new walls. Plumbing, electrical, drywall, stucco, tile or wood flooring, & framing. We pride our selves on providing fast dependable and quality w...Read more about A.C.R Contracting & Handyman Services
We are a multifaceted service company. We provide: General construction, kitchen, bathroom remodels. Door, window installations. Remove walls or install new walls. Plumbing, electrical, drywall, stucco, tile or wood flooring, & framing. We pride our selves on providing fast dependable and quality w...Read more about A.C.R Contracting & Handyman Services
Porch Pro Headshot Caklovic Construction Company

Caklovic Construction Company

Water Quality
Serves Diamond Bar, California
(5)
I'd like to take this opportunity to introduce myself to you and to tell you about my company, Caklovic Construction Company, I have been licensed for 28 years, my company was established in 1985. I am a full service General Contractor specializing in both Interior and Exterior Remodels. I do comple...Read more about Caklovic Construction Company
I'd like to take this opportunity to introduce myself to you and to tell you about my company, Caklovic Construction Company, I have been licensed for 28 years, my company was established in 1985. I am a full service General Contractor specializing in both Interior and Exterior Remodels. I do comple...Read more about Caklovic Construction Company
Porch Pro Headshot Ol' Bock's Custom Plumbing

Ol' Bock's Custom Plumbing

Water Quality
Serves Diamond Bar, California
For unmatched precision and unbeatable quality, Ol' Bock's Custom is the go to plumber for a wide range of plumbing services. Large or small, simple or complex, we have the tools and know how to get the job done. We boast the cleanest, most functional and long-lasting products and services among any...Read more about Ol' Bock's Custom Plumbing
For unmatched precision and unbeatable quality, Ol' Bock's Custom is the go to plumber for a wide range of plumbing services. Large or small, simple or complex, we have the tools and know how to get the job done. We boast the cleanest, most functional and long-lasting products and services among any...Read more about Ol' Bock's Custom Plumbing

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

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 DMA Plumbing & Rooter

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
Porch Pro Headshot PhD Plumbing

PhD Plumbing

Water Quality
Serves Diamond Bar, California
(9)
Phone: (909)985-1975 Slogan: We guarantee to fix what ails your plumbing the first time. That means no surprise emergencies after our certified plumbers leave your home or business, just quality repairs done right. Description: We know the value of quality plumbing repairs and have made it our job...Read more about PhD Plumbing
Phone: (909)985-1975 Slogan: We guarantee to fix what ails your plumbing the first time. That means no surprise emergencies after our certified plumbers leave your home or business, just quality repairs done right. Description: We know the value of quality plumbing repairs and have made it our job...Read more about PhD Plumbing
Porch Pro Headshot Angelo Plumbing Inc.

Angelo Plumbing Inc.

Water Quality
Serves Diamond Bar, California
Porch Pro Headshot Royal Flush Plumbing & Drain

Royal Flush Plumbing & Drain

Water Quality
Serves Diamond Bar, California
When you hire our punctual and professional plumbers, you'll be making a great decision because we'll take the time to understand your home plumbing. We'll assess the situation before recommending any work, and we'll always use premium products and materials because we want to create lasting results...Read more about Royal Flush Plumbing & Drain
When you hire our punctual and professional plumbers, you'll be making a great decision because we'll take the time to understand your home plumbing. We'll assess the situation before recommending any work, and we'll always use premium products and materials because we want to create lasting results...Read more about Royal Flush Plumbing & Drain
Porch Pro Headshot Walnut Garage Door Repair

Walnut Garage Door Repair

Water Quality
Serves Diamond Bar, California
Walnut Garage Door Repair offers superior garage doors repair & installation services, opener installation & genuine spare parts. We offer sales and repair service for residential and commercial garage doors and electric openers.
Walnut Garage Door Repair offers superior garage doors repair & installation services, opener installation & genuine spare parts. We offer sales and repair service for residential and commercial garage doors and electric openers.
Porch Pro Headshot Right Time Rooter & Plumbing Services, Inc

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 EL Gibbor Plumbing & Contracting Services

EL Gibbor Plumbing & Contracting Services

Water Quality
Serves Diamond Bar, California
(3)
Porch Pro Headshot KONOPELKO PLUMBING

KONOPELKO PLUMBING

Water Quality
Serves Diamond Bar, California
With over 35 years experience serving: residential, commercial ,industrial communities, homeowners and establishments on the east coast of New Jersey and now on the West coast of southern California since 1990. Family owned, old school methods and ethics. Francis Konopelko is your solution for all y...Read more about KONOPELKO PLUMBING
With over 35 years experience serving: residential, commercial ,industrial communities, homeowners and establishments on the east coast of New Jersey and now on the West coast of southern California since 1990. Family owned, old school methods and ethics. Francis Konopelko is your solution for all y...Read more about KONOPELKO PLUMBING
Porch Pro Headshot H30

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

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

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

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 Dry Master Chino Hills

Dry Master Chino Hills

Water Quality
Serves Diamond Bar, California
Dry Master crews are always ready to provide immediate flood assistance to customers whose property has been affected by any of a number of water damage causes: broken pipes, leaky faucets, overflowing sinks, broken water heaters, backed up toilets, malfunctioning washing machines, refrigerator leak...Read more about Dry Master Chino Hills
Dry Master crews are always ready to provide immediate flood assistance to customers whose property has been affected by any of a number of water damage causes: broken pipes, leaky faucets, overflowing sinks, broken water heaters, backed up toilets, malfunctioning washing machines, refrigerator leak...Read more about Dry Master Chino Hills