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Business ProfilePlumbers in Glendale, California

Mauerhan Plumbing Inc

Listed in Glendale 4.80 (253 reviews)

Mauerhan Plumbing Inc

Mauerhan Plumbing Inc is a family-owned plumbing and remodeling company in Glendale, established in 1955. Its family history spans four generations, and it handles residential and commercial plumbing work. The company also offers 24-hour emergency plumbing service.

Last Updated October 2, 2026.

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Business Highlights
  • It identifies as a WBENC-certified, women-owned business.
  • Warranties are available on all its work.
  • It lists EPA-certified renovators on its team.
  • For commercial jobs, the company describes its technicians as licensed, insured and experienced.

Service Area

Glendale, Burbank, La Cañada Flintridge, La Crescenta, Los Angeles and Pasadena.

Active Business Listing

Mauerhan Plumbing Inc is one of 11 plumbers ProsGrade lists in Glendale, California.

Active
Public local listing
Listing details

12 services listed, including Plumbing repairs, Hydrojetting and Backflow testing and repairs. Open weekdays, closed on weekends. Rated 4.8 from 253 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Mauerhan Plumbing Inc compares with the other 10 plumbers on ProsGrade in Glendale, using public Google ratings and review counts.

  • One of 11 Glendale plumbers on ProsGrade rated 4.7 or higher from at least 10 reviews.

Services Covered

12 services
  • Plumbing repairsMinor repairs to major installations
  • HydrojettingSewer-line blockage clearing
  • Backflow testing and repairs
  • Water heatersTraditional and tankless; installation and repair
  • Copper and PEX repipingCopper and PEX
  • Water purification systems
  • Drain cleaningClog clearing
  • Leak detectionElectronic detection
  • Gas line servicesInstallation, maintenance and repair
  • Kitchen and bathroom remodeling
  • Inline sewer inspectionsNon-invasive inspections
  • Sump pump and sewer ejection systems

Reviews

What customers say

Several customers praise the team's workmanship and friendly service. One customer says advice on faucet sets for a three-hole bath-and-shower setup helped avoid replacing the existing tile and valves. Another reports that a tankless water-heater visit ended without a repair or the promised replacement quote or follow-up; the customer later disputed a charge and says a manager threatened a lien on the home.

Customer Reviews

Ali Laventhol

For nearly a decade I've been relying on the experts at Mauerhan Plumbing and they are always my first call. They are simply the best. Excellent service, easy to schedule, great prices, knowledgable, personable and friendly, punctual and helpful with any kind of home improvement project. Their work is consistently excellent (thanks, Juan and Shannon!!) I'd give more than 5 stars if I could!
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Craig Schwartz

I'm a client of Mauerhan Plumbing and have used them for the past 38 years. They do such good work that I can't imagine using any other plumbing company. Today 2/26/26 Devin Culver came over to do a whole house rooting job. He's amazing at what he does, is extremely pleasant and answered all my questions without laughing at any of my silly questions. He's a champ! I highly recommend Mauerhan Plumbing and if you're lucky enough to have Devin Culver as your tech, well life will be grand!
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Nancy Horgan

The plumbers were very knowledgeable about ordering the appropriate faucet sets for a three hole bath and shower set to fit existing valves. With their expert advice, we can to avoid replacing the tile and valves in the shower.

R A

I contacted Mauerhan for a second opinion on my 9-year-old tankless water heater after it displayed an ignition failure error code and stopped producing hot water. Another plumber had already identified the issue as a leaking heat exchanger and showed me visible water leaking inside the unit. When I called Mauerhan, I clearly explained on the phone that the unit had an error code and was leaking. When their technician arrived, I was not home, but I spoke to him by phone and told him I already knew the problem and that the leak was obvious. He did not attempt any repair and left, stating that the unit was too old, parts were unavailable, and the entire unit would need to be replaced. He said I would receive a quote for a new unit. I never received a quote or any follow-up. I was left without hot water and had to find my own solution. I contacted a water heater supplier, got a list of installers, and had a brand-new unit installed the very next day by another company. A week later, I received a bill from Mauerhan for $540 for “cleaning the unit.” This makes absolutely no sense—why clean a unit that is leaking, cannot be fixed, and was never repaired? When I called to dispute the charge, the manager, James, told me it was my fault for calling them even though another plumber had already identified the leak, and then threatened to put a lien on my house if I didn’t pay. This experience was extremely unprofessional: no repair, no quote, no follow-up, an unjustified bill, and a threat instead of customer service. I would strongly advise others to be cautious before using Mauerhan.
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Panchali Corwin

Richard was outstanding and did great work. Friendly, professional, easy to talk to, and went above and beyond to make sure all my plumbing issues were resolved the same day. Thank you so much! Definitely will recommend & utilize Mauerhan Plumbing again!!!
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Frequently Asked Questions

What types of commercial clients does Mauerhan Plumbing serve?

It serves property-management companies, commercial landlords, HOAs and multi-unit residential buildings, retail and professional offices, restaurants, and light-commercial facilities.

What does Mauerhan Plumbing's Essential Care Plan include?

It includes an annual plumbing-system inspection and priority scheduling for routine service visits.

Which installations does Mauerhan Plumbing list manufacturer warranties for?

The company says manufacturer warranties are offered for flood-control systems, water heaters, disposals and newly installed tankless water heaters.