Skip to main content

We may be compensated if you purchase through links on our website. Our Reviews Team is committed to delivering honest, objective, and independent reviews on home products and services.

  • Written by
    Callie Marsalisi
  • Fact Checked
  • Updated

Having plumbing problems? Let us help with our list of the best plumbers in Diamond Bar, California. Discover the top plumbers in your area and learn more about the problems they can solve below.

10 Best Plumbing Companies in Diamond Bar

Brands are algorithmically curated from a database of local service providers near you. We require a minimum number of Google reviews and average ratings for provider inclusion.

Top Rated Provider
Rooter Hero Plumbing & Air of San Gabriel Valley Logo
Top Rated

Rooter Hero Plumbing & Air of San Gabriel Valley

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 590 reviews


1370 Valley Vista Dr Suite 200A, Diamond Bar, CA 91765

(909) 954-0995

rooterhero.com/plumber-diamond-bar-ca...
Rooter Hero Plumbing & Air Logo

Rooter Hero Plumbing & Air

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 542 reviews


2040 N Towne Ave, Pomona, CA 91767

(909) 939-4575

rooterhero.com/plumber-pomona-ca-plum...

Rescue Rooter

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 1338 reviews


706 Arrow Grand Cir, Covina, CA 91722

(626) 251-9996

www.ars.com/la-east
Sweetwater Plumbing Logo

Sweetwater Plumbing

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 412 reviews


4667 Holt Blvd, Montclair, CA 91763

(909) 312-4516

www.sweetwaterplumbing24-7.com
The Drain Doctor | Plumber Covina, CA | Drain Cleaning, Tankless Water Heater and Sewer Repair, Emergency Plumber Logo

The Drain Doctor | Plumber Covina, CA | Drain Cleaning, Tankless Water Heater and Sewer Repair, Emergency Plumber

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 306 reviews


527 N Azusa Ave #354, Covina, CA 91722

(626) 605-2129

thedraindoctorcovina.com
Service Champions Plumbing, Heating & AC Logo

Service Champions Plumbing, Heating & AC

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 5041 reviews


3150 E Birch St, Brea, CA 92821

(714) 462-5200

servicechampions.com

Klaus & Sons Plumbing, Heating & Air Conditioning

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 817 reviews


5623 E Arrow Hwy, Montclair, CA 91763

(909) 982-5698

klausandsons.com
Service Lion Plumbing Heating Air Electric Logo

Service Lion Plumbing Heating Air Electric

4.9/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 570 reviews


245 Viking Ave, Brea, CA 92821

(657) 331-5152

www.callservicelion.com

Plumbing Method | Emergency Plumbers Chino

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 33 reviews


15944 Ellington Wy, Chino Hills, CA 91709

(844) 529-7473

www.plumbingmethod.com
Isaac & Sons Plumbing San Dimas Logo

Isaac & Sons Plumbing San Dimas

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 32 reviews


753 N Bradish Ave, San Dimas, CA 91773

(626) 715-4748

www.isaacnsonsplumbing.com

Common Types of Plumbing Services

Professional plumbers in the Diamond Bar area typically offer the following services.

Leak Repair

A leak can rapidly raise your water bill. Even a trickling faucet can get expensive if not taken care of quickly. A professional plumber will be able to repair leaks and determine the source to prevent future issues.

Drain Cleaning

Licensed plumbers are trained to find and remove blockages in your plumbing. Debris buildup can clog your plumbing and lead to damage and flooding. In some cases, clogs can cause structural damage to your property, so we recommend calling a plumber as soon as possible.

Bathroom Installation

Plumbers can replace or install tubs, sinks, toilets, and showers. Thoroughly vet any plumber you hire, especially for a pricier project. Look for a licensed contractor who has good customer reviews and sufficient industry experience.

Gas Inspection and Installation

You might be able to hire a plumber to fix gas leaks. These plumbers are trained to install, repair, and find problems in gas pipes and appliances, including hot water heaters, stoves, and ovens. These kinds of services come with risks, so be sure to hire a highly credentialed plumber.

Inspection and Maintenance

Your household plumbing sees a lot of wear and tear, particularly if there are several people under your roof. Regular plumbing inspections from a professional can lower your chances of inconvenient and expensive repairs in the future. We recommend a yearly inspection.

Emergency Plumbing Services

The worst plumbing issues are those that occur in the middle of the night. Whether it's a burst pipe or some other emergency, you want to have a local plumber that provides emergency services. This way, you won't have to wait until morning to fix an urgent problem.

Facts about Diamond Bar

  • Average Winter Temp:
    50°F
  • Drought Risk:
    0.5%
  • Average Water Bill:
    $63
  • Average Plumbing Cost:
    $102 - $339
  • Average Daily Precipitation:
    0.04”
  • Elevation:
    212 ft

How Much Does a Plumber Cost in Diamond Bar

Plumbing costs vary depending on a number of factors, such as the following:

  • Amount of labor required
  • Plumber expertise (apprentice, journeyman, or master)
  • Project complexity
  • Required permits
  • Time of day (after-hours services cost more)
  • Your location

Discover the average cost of common plumbing issues in the Diamond Bar area based on quotes we requested from local plumbers:

Repair TypeAverage Cost
Garbage disposal repair$450
Toilet repair$450
Faucet replacement$562
Radiator repair$562
Clearing clogs/drain snaking$675
Leaking pipes$675
Water softener installation$788
Gas line repair$900
Water heater repair$1013
Sink installation$1125
Sump pump repair$1125
Toilet installation$1125
Water heater installation$2927
Burst pipe$5629

How to Choose a Plumbing Service in Diamond Bar

It's important that plumbing work is done correctly. You also want to pay a fair price. These are some factors to consider when selecting a local Diamond Bar plumber.

Reputation and Reviews

Before signing a contract with a plumber, ask to see proof of business insurance and their license from the California Department of Consumer Affairs. You want to ensure anyone who works on your home is properly credentialed. You can also look at reviews to learn whether past customers have been satisfied with the plumber's work.

If you hire a union plumber, you may find yourself paying more for labor. However, many homeowners prefer to hire professionals from unions because it means the individual has been thoroughly vetted.

Services Offered

You want to ensure the plumber you hire is qualified to provide services. Check a company's website to ensure that it offers the needed services, and ask your contractor about their past plumbing experience. You can even request photos of previous jobs.

Cost

Try to prioritize quality of work over price as much as possible. Request price estimates from more than one local plumber, then compare services and rates. Find the one that best balances price and quality.

Frequently Asked Questions about Plumbing in Diamond Bar

Sources

Explore Useful Articles On Plumbing

Sewer Line Repair and Replacement

Sewer Line Repair and Replacement

Brenda Woods-February 1, 2024

5 Types of Plumbing Pipes

5 Types of Plumbing Pipes

Brenda Woods-February 1, 2024

Ultimate Guide to Washing Machine Hoses

Ultimate Guide to Washing Machine Hoses

Brenda Woods-February 1, 2024

What Does a Gas Leak Smell Like?

What Does a Gas Leak Smell Like?

Brenda Woods-February 1, 2024