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TRUSTED BY SAN DIMAS, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.3k+
    Verified plumbing services reviews

Top-Rated Plumbers in San Dimas - Updated Nov 2026

Avatar for J I G Plumbing
J I G Plumbing
4.9(
98
)
Water Heater - Install or ReplaceDrain Clog or Blockage - ClearGas Piping+6 more

Serving San Dimas, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"The plumber spent a lot of time just trying to figure out the source of the hidden leak. He had a lot of patience. The quality of work was good as was the price. I would definitely hire them again."
Completed Install
Preparing new install
Completed Install
Completed Install
Completed Install

+8

40 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for So-Cal Plumbing & Rooter
So-Cal Plumbing & Rooter
4.7(
235
)
Drain Clog or Blockage - ClearWater Heater - Install or ReplaceWater Main - Install, Replace or Repair+13 more

Serving San Dimas, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"I had an excellent experience with Top Line Plumbing on 11/26. Jose was extremely knowledgeable, hardworking, and honest. He approached our plumbing issue with professionalism and provided clear explanations every step of the way. His expertise and dedication truly set him apart. I highly recommend Top Line Plumbing for anyone in need of reliable and skilled service! Michelle M"
One of our truckers
Our Jetter
Wotking hard for our clients
New Drainage Completed
New Clean-out Patch

+4

Response time4 hrs
Response rate95%
88 neighbors recently requested a quote
Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Faucets, Fixtures and Pipes - Repair or ReplaceGas PipingWater Main - Install, Replace or Repair+18 more

Serving San Dimas, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"A first time apartment owner and landlord, I needed major plumbing services within the first 6 months of ownership. The first time was a series of gas leaks which were quickly repaired by Western Rooter. The second time was the significant work of adding 2 gas meters and the requisite task of re-routing/adding gas piping. I simply cannot recommend Daniel Westereng and Western Rooter enough. Although the owner John came out to assist in the final bid, Daniel and I worked consistently with SoCal Gas to coordinate the improvements. Daniel was quick to return texts, calls, e-mails and worked diligently with all the parties to get the job done. If you need a plumber, save time and call Western Rooter. Tell them to send Daniel Westereng and he will do a fantastic job!"
Ruben installs a new drainage system under a customers home. Working in a crawl space is rough, but we do what is needed.
Backing up? Got roots? Blast those roots out with a Hydro Jetter! We use a wart hog nozzle that combines controlled rotation with a unique 8 jet cutting configuration optimized for removing roots. It’s better with a jetter! Call us! We got this! ??
Sewer Line Camera
No drain clog too big or small, Western Rooter covers them all!
Justin clearing a Kitchen sink back-up after the Memorial holiday.
HALO 5 whole house water filtration system.

+542

Response time12 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Dan Shop LLC
Dan Shop LLC
4.9(
16
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving San Dimas, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Dany is very professional and responsible. He did such a great job with my plumbing repair. He has really good prices, and the fact that he finished the project in estimated time given was a plus to me! I have recommended him to friends and family. And now I recommend him here, if your looking for someone with experience and completion of your repairs he is the one to call."
Root & Fencing Footings Removal
Footings & Root Pullout
Footing Pull out
Repair P Trap
Repair P Trap

+16

Response time1 day
3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for A2Z Plumbing
A2Z Plumbing
5.0(
13
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+1 more

Serving San Dimas, CA and surrounding areas

Approved

In business since 2019

Credit card accepted

Offers commercial services

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 look forward to earning your business! Book with us online or feel free to give us a call today!

project photos
7 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for So-Cal 1 Plumbing & Rooter
So-Cal 1 Plumbing & Rooter
5.0(
41
)
Water Main - Install, Replace or RepairDrain Clog or Blockage - ClearDrain Line Breakage - Camera Locate+4 more

Serving San Dimas, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"SoCal 1 Plumbing and Rooter did an outstanding job installing a new sewer main for my property. Their team was professional, efficient, and extremely knowledgeable. They carefully explained the process and handled everything with precision, from excavation to installation. The quality of their work is evident, and they made sure to leave the area clean and tidy once the job was done. I?m impressed with their attention to detail and commitment to customer satisfaction. Highly recommend them for any major plumbing work!"
repair
full house redrain
full house redrain
full house redrain
sewer repair

+27

Response time4 hrs
Response rate99%
1 neighbors recently requested a quote
Avatar for Utility Plumbing Services, Inc.
Utility Plumbing Services, Inc.
5.0(
5
)
Water Heater - Install or ReplaceDrain Clog or Blockage - ClearWater Heater - Repair or Service+14 more

Serving San Dimas, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

We are a trusted plumbing company dedicated to delivering top quality workmanship, exceptional customer service and reliable solutions for every home. Our highly skilled and professional technicians take great pride in their craft ensuring every job is completed with accuracy, care and respect for your property. \n\nWhether you have a routine service or an urgent repair, we are committed to providing dependable honest and long lasting plumbing solutions you can count on. \nOur desire is to create lasting relationships with clients for years to come. \n\nCheck us out on Instagram, Facebook, TikTok or our website utilityplumbingservices.com

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+1

Response time6 hrs
Response rate94%
34 neighbors recently requested a quote
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Plumbing FAQs, answered by experts

Upgrading your plumbing directly enhances your daily routine. Installing water filtration systems resolves the heavy mineral content found in San Dimas tap water, improving taste and appliance longevity. Fixing aging supply lines stabilizes inconsistent water pressure. Repairing hidden leaks prevents dangerous mold growth inside dry wall cavities, protecting your indoor air quality and keeping your home completely safe.

Helpful?

Isolate your landscape irrigation system first to see if outdoor wet spots disappear. Check if indoor moisture near utility closets comes from an active HVAC condensate drain rather than a leaking pipe. Inspect exterior stucco stains closely to rule out roofing failures in San Dimas. Hire a professional to assess warm floor spots, which indicate a concrete slab plumbing leak.

Helpful?

Address active leaks immediately to comply with San Dimas water waste ordinances. Treat water heater failures and post-earthquake plumbing inspections as urgent safety priorities. Schedule repairs for slow drains or discolored water from aging pipes promptly, ideally before the wet winter season arrives. You can safely defer minor fixture upgrades or water-efficient toilet installations to a planned seasonal schedule.

Helpful?

Keep a gas shutoff wrench near your meter to prepare your home for seismic events in CA. Store a curb-stop water key to access your main water meter during emergencies. Stock descaling supplies to clear the heavy mineral buildup common with local hard water. Maintain clear labels on your interior shutoff valves to act quickly during sudden plumbing leaks.

Helpful?

Always verify that your hired professionals hold active state licenses before beginning any plumbing work. Check with your local building division to secure required permits for major modifications. Coordinate with your water utility if your project involves the main meter. Schedule large exterior drain or sewer line repairs before the heavy winter rains hit CA to prevent open trench complications.

Helpful?

The San Dimas, CA homeowners’ guide to plumbing services

From average costs to expert advice, get all the answers you need to get your job done.