The Best Plumbing Contractors in West Covina, CA

Compare the highest-rated plumbing professionals in West Covina, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Mike Diamond Plumbing & Heating

4.8
(800 reviews)
Verified

A well-established, large-scale plumbing and HVAC provider with a strong presence throughout Southern California. They are known for their rapid response times, especially for emergencies, and operate 24/7. They offer a wide range of services for both residential and commercial clients and emphasize upfront, flat-rate pricing.

1546 E Orangethorpe Ave, Fullerton, CA 92831 (Corporate office; serves West Covina extensively)

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Drain cleaning and sewer services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Quik Serv Plumbing

4.9
(150 reviews)
Verified

A highly-rated local plumbing contractor known for exceptional customer service and personalized attention. They focus on residential plumbing services and have built a strong reputation in the San Gabriel Valley for reliability, honesty, and quality workmanship. They offer free estimates on many services.

Serves West Covina, CA (Local-based operation)

Specialties & Features

Bathroom and kitchen plumbing
Leak detection and repair
Pipe installation and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Rooter 911 Plumbers

4.7
(200 reviews)
Verified

A dedicated local plumbing company that specializes in solving tough drain and sewer problems, including advanced hydro-jetting and camera inspections. They are a go-to provider for clogged drain emergencies and also handle a full suite of general plumbing repairs and installations.

Serves West Covina, CA (Local-based operation)

Specialties & Features

Drain cleaning and sewer services
Emergency plumbing repairs
Pipe installation and replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in West Covina

** The plumbing market in West Covina is competitive and served by a mix of large regional companies and smaller, highly-specialized local contractors. The average quality is high, as successful businesses must maintain strong online reputations and proper state licensing to compete. Consumers have a good range of choices between large firms with extensive resources and 24/7 availability (like Mike Diamond) and smaller local operations that often provide more personalized service and potentially lower overhead (like Quik Serv and Rooter 911). Typical pricing reflects Southern California market rates. A standard service call fee ranges from $75-$150, with emergency or after-hours calls commanding a premium. Hourly rates for labor typically fall between $90-$180 per hour. The prevalence of older homes in parts of West Covina can lead to a higher demand for pipe replacement and sewer line services, which are more complex and costly projects. Overall, customers in West Covina have access to reliable, professional plumbing services across various price points and specializations.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with West Covina regulations and climate

Frequently Asked Questions About Plumbing in West Covina

Get answers to common questions about plumbing services in West Covina, California.

1What are typical plumbing service costs in West Covina, and why might they vary?

For common services in West Covina, you can expect to pay $150-$350 for a drain cleaning, $300-$600 for a water heater repair, and $1,500-$4,500 for a full water heater replacement. Costs vary based on the specific part of the city (as older homes may have more complex access issues), the brand and model of parts needed, and whether the plumber is dealing with local issues like hard water scale buildup, which is common in our area due to the mineral content in the municipal supply.

2How does the Southern California climate affect my home's plumbing system?

The hot, dry summers in West Covina can cause soil to shift and contract, potentially leading to stress on underground sewer lines and increased risk of cracks or root intrusion. Additionally, the high mineral content (hard water) in our local supply accelerates scale buildup in pipes, water heaters, and fixtures, reducing efficiency and lifespan. It's advisable to consider a water softener and schedule regular inspections to catch issues early.

3Are there any local West Covina regulations I should know about before a plumbing project?

Yes, West Covina requires permits for major work like re-piping, sewer line replacement, or water heater installations. The city follows the California Plumbing Code, which includes specific requirements for water-conserving fixtures (like low-flow toilets and showerheads) and earthquake strapping for water heaters. A licensed local plumber will handle these permits, ensuring your project is compliant and passes necessary inspections.

4What should I look for when choosing a reliable plumber in West Covina?

Always verify the plumber holds a valid, current California C-36 Plumbing Contractor license and carries both liability insurance and worker's compensation. Choose a company with a strong local presence in the San Gabriel Valley, as they will be most familiar with West Covina's common plumbing issues, soil conditions, and city inspection processes. Check for detailed, written estimates and reviews that mention punctuality and clear communication.

5What is the most common emergency plumbing call in West Covina, and how can I prevent it?

The most common emergencies are sewer line backups and water heater failures. Backups are often caused by invasive tree roots (common with older landscaping) and the accumulation of grease and hard water scale. To prevent emergencies, have your sewer line inspected with a camera every few years, avoid putting grease down drains, and flush drains with hot water regularly. For water heaters, draining the tank annually to remove sediment is crucial due to our hard water.