Top 3 Plumbing Contractors in San Lorenzo

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

#1

Allstar Plumbing & Rooter

4.8
(280 reviews)
Verified

A highly-rated, family-owned and operated business based directly in San Lorenzo. They emphasize prompt, friendly service and are available 24/7 for emergencies. Their strong local presence and extensive positive reviews make them a top choice for the community.

15923 Via Toledo, San Lorenzo, CA 94580

Specialties & Features

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

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
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#2

Rapid Rooter

4.7
(190 reviews)
Verified

A well-established provider located in the adjacent city of San Leandro, serving the entire East Bay area including San Lorenzo. They are known for their rapid response times, advanced leak detection equipment, and expertise in dealing with complex sewer and drain line issues.

1474 Juana Ave, San Leandro, CA 94577

Specialties & Features

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

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
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#3

Plumb Perfect Services

4.6
(150 reviews)
Verified

Serving San Lorenzo and the broader Hayward/Castro Valley area, this contractor is praised for professional and clean workmanship, particularly on installation and renovation projects. They are a strong option for both residential repipes and commercial plumbing needs.

20974 Corsair Blvd, Castro Valley, CA 94546

Specialties & Features

Bathroom and kitchen plumbing
Pipe installation and replacement
Water heater installation and repair

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
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Why These Are the Top Plumbing Contractors in San Lorenzo

** The plumbing market in San Lorenzo is competitive and characterized by a mix of long-standing local operators and regional companies from neighboring hubs. The average quality is high, as contractors must maintain strong reputations and proper state licensing to compete effectively in the densely populated East Bay. Consumers are discerning and rely heavily on online reviews. Due to the area's older housing stock, there is consistent demand for sewer line repairs, repiping, and water heater services. Pricing is typical for the San Francisco Bay Area, which is above the national average. A standard service call typically ranges from $100-$200, with emergency rates being higher. Major projects like a full water heater replacement can range from $1,800 to $4,500+, and sewer line repairs can easily exceed $5,000, depending on the scope and difficulty. All reputable providers are expected to be both licensed and insured, which is a critical factor for homeowners to verify.

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 San Lorenzo regulations and climate