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Top-Rated Plumbers in Altadena - Updated Nov 2026

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 Altadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"I would like to thank Mr.Jose Montrel for all his help. He was an outstanding plumber to work with, through his profession, honesty, and integrity with the job. If I could recommend anyone for doing your plumbing, I would recommend him as my first choice. We need more people like him in the work force. And even though he wasnâ t the one that fixed the piping, he helped us saved thousands of dollars.thanks Mr Montrel."
One of our truckers
Our Jetter
Wotking hard for our clients
New Drainage Completed
New Clean-out Patch

+4

Response time4 hrs
Response rate95%
83 neighbors recently requested a quote
Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Main - Install, Replace or RepairDrain Clog or Blockage - Clear+18 more

Serving Altadena, 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%
6 neighbors recently requested a quote
Avatar for Patrick Morrissey
Patrick Morrissey
5.0(
12
)
Bathtub Install or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+15 more

Serving Altadena, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Patrick and Mitch came out right away to look at my plumbing needs. Sent links to possible replacement faucets to choose from. This is a family owned business which I love. Have no hesitations about using them again or referring them to my friends and family."
Replace Pipes
Cut to place
Fitting pipes
New pipe under sink
Clogged bath

+8

Response time1 hour
Recommended by100%of homeowners
Avatar for Dynamite Plumbing
Dynamite Plumbing
4.7(
77
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+19 more

Serving Altadena, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Let me tell you its hard to find a good Plumbing contractor . I think we did. He showed up on time, Finish the job and the price was very reasonable. . He didn't leave a mess for us to clean up. We now have found a plumber we can trust and will I hire again."
Testing
Connections
Trenchless Pipe Replacement
Clay sewer
Existing cleanout

+10

Response time10 hrs
Response rate87%
5 neighbors recently requested a quote
Avatar for Alliance United Rooter & Plumbing Inc.
Alliance United Rooter & Plumbing Inc.
4.9(
124
)
Gas PipingSewer Main - ClearSewer Main - Install, Replace or Repair+10 more

Serving Altadena, CA and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide. It is our mission to provide excellent workmanship and complete customer satisfaction from the start to completion of a project. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

drain under kitchen sink
drain under kitchen sink
drain under kitchen sink
drain under kitchen sink
drain under kitchen sink

+62

5 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Leon Plumbing
Leon Plumbing
4.8(
79
)
Water Heater - Repair or ServiceTankless Water Heater - InstallWater Heater - Install or Replace+8 more

Serving Altadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1983

Free estimates

Emergency services offered

"I have a Rinnai tankless water hater that was not supplying us with hot water, and 2 different plumbers had tried to improve it already. Sev came out and told me Leon Plumbing is backed by the Rinnai company. What a relief! He explained to me the issue and why the things the previous plumbers did made no difference. He was very clear and informative the whole time and even told me my Rinnai needs servicing annually and would reach out when that time comes so I don't forget. Our hot water is running again and I will gladly use Sev at Leon Plumbing again. Professional, friendly, and communicative."
Tankless Installation (RUR199e with wifi)
Exterior Tankless Water Heater
Dual Tankless Water Heater Installation
Tankless water heater ACE PRO
Tankless Water Heater Service

+8

Response time8 hrs
Response rate94%
14 neighbors recently requested a quote
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FAQs for plumbing projects in Altadena, CA

It depends on the severity of the leak. Minor leaks may not require immediate attention and can be scheduled during regular business hours. However, if the leak is causing significant water damage or you can't control the flow of water, it's best to call an emergency plumber right away. Addressing serious leaks promptly can prevent structural damage and mold growth, potentially saving you money on extensive repairs later.

A journeyperson plumber is a licensed professional with a state-issued permit who installs and repairs piping for water and heating systems under the supervision of a master plumber. They have completed extensive training and amassed significant experience leading teams, drafting blueprints, and designing comprehensive plumbing installations. Their proven expertise ensures that they can handle both routine repairs and complex projects with precision.

The Altadena, CA homeowners’ guide to plumbing services

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