The Best Plumbing Contractors in Rosemead, CA

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

#1

Mike Diamond Plumbing & Heating

4.8
(800 reviews)
Verified

A highly recognized and advertised plumbing and HVAC company in Southern California. They are known for their rapid response for emergency services and offer a wide range of solutions for both residential and commercial clients. Their strong brand presence and extensive fleet make them a go-to for many in the San Gabriel Valley.

3367 San Gabriel Blvd, Rosemead, CA 91770

Specialties & Features

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

Business Information

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

Economy Rooter Service Inc.

4.7
(150 reviews)
Verified

A well-established local family-owned business with a strong reputation for honesty and quality workmanship. They specialize in rooter and sewer services but handle all general plumbing needs. Their high number of positive reviews highlights reliability and customer satisfaction.

3745 N Rosemead Blvd, Rosemead, CA 91770

Specialties & Features

Drain cleaning and sewer services
Pipe installation and replacement
Leak detection and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Al Marino Plumbing Inc.

4.9
(80 reviews)
Verified

A highly-rated, professional plumbing contractor serving the San Gabriel Valley. They are praised in reviews for their expertise, cleanliness, and fair pricing. They focus on comprehensive plumbing solutions, from minor repairs to major remodels.

8826 E Valley Blvd, Rosemead, CA 91770

Specialties & Features

Bathroom and kitchen plumbing
Residential and commercial plumbing services
Water heater installation and repair

Business Information

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

Why These Are the Top Plumbing Contractors in Rosemead

** The plumbing market in Rosemead is competitive, featuring a mix of large, well-known regional companies and smaller, highly-rated local contractors. The average quality of service is high, as evidenced by the consistently strong reviews for the top-tier providers. Consumers have a clear choice between the extensive resources and 24/7 availability of larger firms like Mike Diamond and the personalized, often more cost-effective service of local experts like Economy Rooter and Al Marino Plumbing. Typical pricing is in line with the greater Los Angeles area, with emergency service call fees generally starting between $99 - $200, and hourly labor rates ranging from $90 to $150. All reputable providers are licensed, bonded, and insured, which is a standard and critical requirement for operating in California.

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 Rosemead regulations and climate

Frequently Asked Questions About Plumbing in Rosemead

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

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

In Rosemead, a standard service call (including diagnosis) typically ranges from $75 to $150, with hourly labor rates between $80 and $150. Costs vary based on the job's complexity, parts needed, and the plumber's licensing level (C-36 contractor vs. journeyman). Regional factors like California's high business insurance requirements and the cost of complying with strict state plumbing codes (like water-saving fixture mandates) also influence overall pricing compared to other areas.

2How does Rosemead's climate and soil affect my plumbing system?

Rosemead's semi-arid climate and clay-heavy soil are significant factors for plumbing. The expansive clay soil can shift during the rare heavy rains or due to irrigation, leading to stress on underground pipes and potential sewer line cracks or breaks. Additionally, the hard water common in our area accelerates mineral buildup in pipes and water heaters, making regular descaling and maintenance crucial to prevent reduced efficiency and premature failure.

3What should I look for when choosing a licensed plumber in Rosemead?

Always verify the plumber holds a valid, active California C-36 Plumbing Contractor license through the CSLB website, which ensures they are bonded, insured, and legally able to pull permits. For Rosemead specifically, choose a provider familiar with the city's public works department requirements for inspections and any local ordinances. A reputable local plumber will also understand common issues with older home foundations and sewer lines in the San Gabriel Valley.

4Are there seasonal plumbing issues I should prepare for in Rosemead?

Yes, seasonal preparation is key. Before summer, ensure irrigation system backflow preventers are tested and certified (a state requirement) and check for sprinkler line leaks. In late fall, even with our mild winters, insulating exposed pipes in rarely heated spaces like crawl spaces is wise to guard against occasional freezing nights. The dry season can also cause further soil contraction around sewer lines, making it a prime time for root intrusion inspections.

5My water pressure seems low. What are common local causes in Rosemead homes?

Low pressure in Rosemead is often due to mineral scale buildup from hard water clogging aerators, showerheads, and pipe interiors, especially in older homes. Another frequent local issue is a malfunctioning pressure regulator valve, which commonly fails after 10-15 years. It's also advisable to check with neighbors; if the issue is widespread, it could be a municipal main issue, which you would report to the Rosemead Public Works Department.