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Top Water Heater Repair Companies in Los Angeles, California Ranked
A sudden lack of hot water can disrupt your entire day, from your morning shower to your evening dishes. Water heater repair is a critical service for maintaining comfort and sanitation in any Los Angeles home. This guide helps you understand common issues, typical repair processes, and how to connect with qualified local professionals who can diagnose and fix your hot water system safely and efficiently.

All City Plumbing, Air & Electrical
5612 E La Palma Ave, Anaheim, CA 92807
All City Plumbing, Air & Electrical is a full-service plumbing, HVAC, and electrical provider located in Anaheim, CA. They offer a wide range of services including water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, repiping, and toilet repair. Their team is licensed, bonded, and insured, with technicians who are ACE Certified and available 24/7 for emergency plumbing and HVAC needs. With over 13 years of experience serving Anaheim and surrounding areas, they use advanced technology to ensure efficient and reliable service.

Dymek's Freedom Plumbing, Inc
2921 E Miraloma Ave #17, Anaheim, CA 92806
Dymek's Freedom Plumbing, Inc is a plumbing service provider based in Anaheim, CA, offering a wide range of residential and commercial plumbing solutions. Their services include sewer camera inspections, water heater installation and repair, drain cleaning, hydro jetting, trenchless sewer repair, leak detection, repiping, and garbage disposal repairs. They utilize advanced technology such as electronic slab leak detection and sewer video inspection to diagnose and address plumbing issues efficiently. With over 25 years of experience, the company emphasizes old-fashioned values combined with modern technology and is available 24/7 for emergency plumbing needs.

Merry Plumbing
1465 San Marino Ave, San Marino, CA 91108
Merry Plumbing is a well-established plumbing company serving Los Angeles, CA, and nearby areas including Pasadena, San Marino, and Glendora. With 79 years in business since 1946, they provide a wide range of plumbing services such as sewer camera inspection, water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, and repiping. Their team is equipped to handle both residential and commercial plumbing needs with modern tools and on-site parts availability. Merry Plumbing emphasizes clear, upfront estimates and has built a reputation for thorough and dependable service over many decades.

Swift Water Heater
23891 Via Fabricante Suite 613, Mission Viejo, CA 92691
Swift Water Heater is a specialized plumbing company based in Los Angeles, CA, focusing on water heater repair, installation, and water softener installation. Their technicians handle repairs for issues like lack of hot water and leaks, as well as replacements and upgrades with an emphasis on minimizing downtime and disruption. The company emphasizes transparent pricing and a streamlined customer experience, ensuring clients are fully informed before proceeding. Swift Water Heater positions itself as experts dedicated solely to water heater services, treating customers' homes with respect throughout the process.

PDS Plumbing and Air
9706 Alondra Blvd, Bellflower, CA 90706
PDS Plumbing and Air is a veteran-owned company based in Los Angeles, CA, specializing in plumbing and HVAC services. They provide water heater repair and installation along with air conditioning solutions to keep homes comfortable and safe. Serving Bellflower and nearby areas, the company brings decades of combined experience to each job, ensuring skilled workmanship. Their team is licensed and committed to community-focused service.
Common Water Heater Problems in Los Angeles Homes
When your hot water system fails, it usually presents one of a few clear symptoms. Identifying the issue is the first step toward a solution.
- No Hot Water or Insufficient Hot Water: This is often the most urgent complaint. For electric units, the culprit is frequently a failed heating element or a malfunctioning thermostat. In gas water heaters, problems often stem from a faulty thermocouple, a gas valve issue, or a pilot light that has gone out 1 2.
- Strange Noises (Popping, Rumbling, or Banging): These sounds are classic indicators of sediment buildup. Los Angeles has notoriously hard water, and the minerals (primarily calcium and lime) settle at the bottom of the tank. As the burner or element heats this sediment layer, it creates popping and rumbling noises. Left unaddressed, this buildup reduces efficiency, increases heating time, and can lead to overheating and tank damage 1 3.
- Puddles or Moisture Around the Tank: Any sign of water leakage is a serious concern. It could be a minor issue like a leaking pressure relief valve or a loose inlet/outlet connection. However, it may also indicate a crack in the tank itself, which is a major failure requiring immediate attention. If you see a puddle, shut off the power (for electric) or gas supply (for gas units) and the cold water inlet valve, then contact a professional immediately 4 2.
- Slow Heating or Water That Runs Out Quickly: If your hot water doesn't seem as hot or runs out faster than usual, sediment buildup is again a likely suspect, insulating the water from the heat source. It could also point to a failing lower heating element in an electric model or a burner problem in a gas unit 3 5.
- Tankless Water Heater Issues: Tankless (on-demand) systems have different common failures. These include ignition failures, problems with the internal burner, or sensor malfunctions, often caused by the same mineral buildup from hard water scaling inside the heat exchanger 1 5.
Understanding Repair Costs and Timeframes
The cost and duration of a hot water heater fix in Los Angeles depend heavily on the specific problem, the type of unit (gas, electric, tankless), and the parts required.
Typical Repair Cost Ranges: Repair costs can vary widely based on the job's complexity and the parts needed.
- Minor Repairs: Fixing a faulty thermostat or replacing a single heating element typically ranges from $150 to $5006 2.
- Moderate Repairs: Replacing a gas control valve or a temperature and pressure (T&P) relief valve generally falls between $200 and $500+7 8.
- Major Repairs/Leaks: Addressing a significant leak from the tank itself can cost $300 to $2,000 or more, and at the higher end, replacement often becomes the more economical choice 6 9.
- Maintenance Service: A routine tank flush to remove sediment, which is highly recommended in LA, usually costs between $75 and $2507.
On average, homeowners in Los Angeles can expect to pay around $662 for water heater repair services 2.
How Long Do Repairs Take?
- Minor Fixes: Simple component replacements like a heating element or thermostat can often be completed in 1 to 3 hours10.
- Emergency/Same-Day Service: Many professional plumbers in Los Angeles offer same-day service for urgent issues, such as active leaks or complete hot water loss, recognizing these as household emergencies 1 11.
- Complex Issues: Diagnosing and repairing more complicated problems, like internal tank leaks or full gas valve assemblies, will understandably take longer.
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The Critical Importance of Professional Service
While some household repairs are suitable for DIY, water heater service is not one of them. Hiring a licensed professional is non-negotiable for several key reasons:
- Safety: Water heaters involve significant risks. Gas units carry the danger of carbon monoxide leaks and gas explosions. Electric units involve high-voltage components. A licensed technician has the training to handle these hazards safely 4 12.
- Code Compliance: Los Angeles and California have strict plumbing and building codes governing water heater installation and repair. A professional ensures all work is permitted (if required) and meets these codes, which is essential for home insurance validity and future home sales 11 10.
- Correct Diagnosis: A professional can accurately pinpoint the root cause of a problem. What seems like a simple thermostat issue might be a symptom of a larger electrical or plumbing fault.
- Warranty Protection: Most water heater manufacturers require professional installation and repair to keep the unit's warranty valid. DIY work can void this coverage 12.
Maintenance Tips and When to Consider Replacement
Proactive Maintenance for LA Homes: Given the local hard water, proactive maintenance is your best defense against premature failure.
- Annual Flushing: Have your tank flushed annually by a professional to remove sediment. This simple service can significantly extend the life of your unit and maintain its efficiency 1 4.
- Check the Pressure Relief Valve: Periodically test the T&P valve by lifting its lever to ensure water flows freely and stops when released. This valve is a critical safety device.
- Inspect for Leaks: Regularly check around the base of your water heater and connections for any signs of moisture.
Repair vs. Replace: Making the Right Call Sometimes, repair is not the most cost-effective long-term solution. Consider replacement if:
- Age: Your water heater is over 10 years old. This is the typical lifespan for a standard tank unit. Newer, more efficient models can offer substantial energy savings.
- Frequent Repairs: If you're calling for service multiple times a year, the cumulative cost may approach or exceed that of a new, reliable unit.
- Major Failure: A leaking tank cannot be repaired and requires full replacement.
- Rising Energy Bills: An aging, inefficient water heater works harder to heat water, which shows up on your utility bills. Upgrading to a high-efficiency or tankless model can provide long-term savings 11 6.
Safety First: What to Do in an Emergency
If you suspect a serious problem with your water heater, take these immediate steps:
- For Gas Units: If you smell gas (a rotten egg odor), evacuate the area immediately and call your gas company from outside. Do not operate light switches or create any sparks.
- For Active Leaks: Locate and turn off the cold water supply valve on top of the water heater. Place a bucket under the leak if possible.
- Shut Off Power: For electric heaters, turn off the circuit breaker dedicated to the unit. For gas heaters, turn the gas control valve to the "Pilot" or "Off" position.
- Call a Professional: Once the immediate danger is mitigated, contact a licensed plumbing professional for diagnosis and repair 4 12.
Frequently asked questions
Sources
Footnotes
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Los Angeles Tankless Water Heater Repair - Moe Plumbing Services - https://www.moeplumbing.com/plumbing-services/water-heater-repair-installation/ ↩ ↩2 ↩3 ↩4 ↩5
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How Much Does Water Heater Repair Cost in Los Angeles, CA? - https://www.angi.com/articles/how-much-does-it-cost-repair-water-heater/ca/los-angeles ↩ ↩2 ↩3 ↩4
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Water Heater Repair In Los Angeles - Tank & Tankless Heaters - https://overunderplumbing.com/water-heater-service-repair/ ↩ ↩2
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Water Heater Repair & Maintenance Services in Los Angeles, CA - https://mikediamondservices.com/water-heater-repair-maintenance-los-angeles-ca/ ↩ ↩2 ↩3 ↩4
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Water Heater Repair: Fixes, Costs, And When To Replace - https://anyhourservices.com/utah/water-heater-repair-fixes-replacement-guide/ ↩ ↩2
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When to Repair or Replace Your Water Heater - https://www.statewaterheaters.com/info-center/when-to-repair-or-replace.html ↩ ↩2 ↩3
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The Cost of Hot Water Heater Repair Service - Hoover Electric - https://www.callhoover.com/blog/cost-hot-water-heater-repair-service/ ↩ ↩2
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How Much Does a Water Heater Repair Cost in Denver? - https://plumblineservices.com/help-guides/how-much-does-a-water-heater-repair-cost-in-denver ↩
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Water Heater Repair Cost 2026: Prices, Fix Types & Tips - Modernize - https://modernize.com/plumbing/water-heaters/repair-cost ↩
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How Long Does a Typical Water Heater Repair Take and ... - https://www.somersplumbers.net/blog/how-long-does-a-typical-water-heater-repair-take-and-what-should-you-expect-during-the-process ↩ ↩2
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How Much Does Water Heater Replacement Cost in Los Angeles, CA? - https://www.angi.com/articles/how-much-does-water-heater-installation-cost/ca/los-angeles ↩ ↩2 ↩3
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Water Heater Repair In Los Angeles County, CA - https://affordableairla.com/water-heater-repair/ ↩ ↩2 ↩3