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TRUSTED BY ALTADENA, CA HOMEOWNERS

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

Find Affordable plumbers in Altadena

Avatar for G M C Plumbing, Inc.
G M C Plumbing, Inc.
4.9(
86
)
Faucets, Fixtures and Pipes - Repair or ReplaceShower Install or ReplaceWater Heater - Repair or Service+13 more

Serving Altadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"We have worked with many plumbers in Los Angeles, and our experience with GMC Plumbing was by far the best. They are responsive, honest and trustworthy. They did a great job and helped us avoid paying the thousands of dollars other plumbers told us would be needed to fix the problem. We highly recommend them"
New Drainage
Old  shower Drainage
New kitchen faucet
New Drainage
New Drainage- SEWER LINE

+3

Response time5 hrs
Response rate97%
21 neighbors recently requested a quote
Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
171
)
Faucets, Fixtures and Pipes - Repair or ReplaceGas PipingWater Main - Install, Replace or Repair+18 more

Serving Altadena, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Very honest, trustworthy and inexpensive plumbing company. I had three total estimates for the work and the other two companies just seem to want to charge as much as possible and do more work then was needed. I highly recommend Western Rooter and ask for Ryan, he’s the best!"
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%
10 neighbors recently requested a quote
Avatar for Alliance United Rooter & Plumbing Inc.
Alliance United Rooter & Plumbing Inc.
4.9(
123
)
Gas PipingSewer Main - Install, Replace or RepairWater Heater - Install or Replace+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

4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Complete Plumbing & Rooter
Complete Plumbing & Rooter
4.9(
30
)
Water Heater - Install or ReplaceWater Main - Install, Replace or RepairSewer Main - Install, Replace or Repair+3 more

Serving Altadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Credit card accepted

"The experience I had with Complete Plumbing & Rooter was to tell them I got a plumber to do the job, but after talking to Paul, he was very professional and explained what set their company apart when it comes to Water Heaters Installations. They set me two men to do the job, and it was done in 1-1/2 Hour. I would highly recommend them."
Response time9 hrs
9 neighbors recently requested a quote
Recommended by57%of homeowners
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

"He was very kind and helpful over the phone, as he couldn't come to the house for awhile. I was told what to do to keep the toilet from leaking. I had turned the water off, but I didn't think about flushing it to get the water out of the tank. This was important, because the seal was bad in the tank."
Replace Pipes
Cut to place
Fitting pipes
New pipe under sink
Clogged bath

+8

Response time1 hour
Recommended by100%of homeowners
Avatar for Leon Plumbing
Leon Plumbing
4.8(
79
)
Water Heater - Repair or ServiceTankless Water Heater - InstallTankless Water Heater - Repair+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%
15 neighbors recently requested a quote
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Affordable Plumbers questions, answered by experts

Address active leaks immediately to prevent rapid mold growth in older Altadena homes. Missing flexible connectors on gas lines or water heaters pose severe life-safety hazards and require urgent attention. Slow drains or sewage odors signal failing sewer laterals that demand immediate camera inspections. Schedule non-urgent exterior plumbing during the dry season to avoid trenching complications. Replace water heaters older than eight years promptly before hard water sediment causes complete failure.

Helpful?

Homeowners in CA frequently underestimate the time required for county permit approvals and final inspections. Opening walls for plumbing repairs often reveals outdated galvanized or lead pipes that demand full replacement. Tree roots easily invade older sewer laterals, creating immediate repair needs. Replacing a water heater also triggers mandatory code upgrades, including seismic strapping and expansion tank installations. Always account for underground utility locating delays before digging on hillside lots.

Helpful?

For plumbing in CA, choose scale-resistant materials that withstand the area's hard water. State law requires low-flow toilets, showerheads, and faucets for all permitted upgrades. You must use flexible connectors for gas appliances and install approved seismic strapping on water heaters to meet strict earthquake safety codes. Additionally, select underground piping designed to handle ground movement caused by the region's expansive foothill soils. All fixtures must meet strict state lead-free standards.

Helpful?

Sloped foothill terrain in Altadena adds significant complexity to plumbing work, especially for trenching and gravity-fed drain lines. Older properties built between the 1920s and 1960s feature outdated galvanized steel or cast iron pipes that require extensive replacement. Determine if your property uses a private septic system or connects to the county sewer before starting. Finally, elevated mineral content in the local water supply causes scale buildup inside pipes and water heaters.

Helpful?

As the homeowner of record in Altadena, you must authorize all permit applications for plumbing work. You hold responsibility for the sewer lateral line connecting your house to the public main, making any repair or replacement decisions your choice. Select low-flow fixtures that fit your style and accessibility needs. You must also decide whether to upgrade to a heat pump or solar water heater to comply with strict energy codes.

Helpful?

The Altadena, CA homeowners’ guide to affordable plumbing services

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