The Best Plumbing Contractors in San Mateo, CA

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

#1

Rooter Man of San Mateo

4.8
(180 reviews)
Verified

A highly-rated, locally-focused provider known for rapid response times, especially for emergency services. They offer a comprehensive range of residential and commercial plumbing, from minor repairs to major installations and sewer line projects.

1101 San Mateo Ave, San Mateo, CA 94401

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
#2

Service Plus Plumbing

4.9
(250 reviews)
Verified

Consistently receives top marks for customer service, professionalism, and technical expertise. They are a full-service plumbing contractor serving both residential and commercial clients in San Mateo and the surrounding Peninsula area.

1125 Chess Dr Suite F, Foster City, CA 94404 (Serves San Mateo)

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

B.A. Morrison

4.7
(150 reviews)
Verified

A long-standing, family-owned and operated business with a strong reputation for quality workmanship and reliability. They have built trust in the community over decades, handling everything from routine maintenance to complex plumbing system overhauls.

23 Baywood Ave, San Carlos, CA 94070 (Serves San Mateo)

Specialties & Features

Residential and commercial plumbing services
Sewer line replacement
Water heater services

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in San Mateo

The plumbing market in San Mateo is competitive and characterized by high customer expectations. Due to the prevalence of older housing stock mixed with modern commercial developments, demand is strong for both emergency repairs/leak detection in homes and sophisticated installations in commercial properties. The average quality of service providers is high, with an emphasis on licensed, insured, and professionally certified technicians. Pricing is typically at a premium, reflecting the high cost of living and business operations in the Bay Area. A standard service call often ranges from $150-$300, with emergency and after-hours services commanding significantly higher rates. The most successful contractors distinguish themselves through exceptional customer service, transparent pricing, and the ability to handle a wide array of specialized services.

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 Mateo regulations and climate

Frequently Asked Questions About Plumbing in San Mateo

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

1What are typical plumbing service costs in San Mateo, and why might they be higher than other areas?

For standard service calls in San Mateo, you can expect a base fee of $150-$300, with hourly labor rates ranging from $100-$200. Costs are often higher than national averages due to the region's high cost of living, stringent California plumbing codes, and the licensing requirements for plumbers. Specific projects like water heater replacements or repiping an older home will have higher quotes, but a reputable plumber should provide a detailed, written estimate before starting work.

2How does San Mateo's climate and local water affect my plumbing system?

San Mateo's generally mild climate is beneficial, but the area's hard water is a primary concern, leading to mineral buildup that reduces appliance lifespan and water pressure. Additionally, the clay-rich soil common in the Bay Area can shift during the rare heavy rains, potentially stressing and damaging underground sewer lines. We recommend installing a water softener to combat scale and scheduling regular drain inspections to prevent root intrusion and line damage.

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

Always verify the plumber holds a valid, current **California C-36 Plumbing Contractor License** and carries both general liability and workers' compensation insurance. For local reliability, choose a company with a long-standing physical address in San Mateo County and check reviews specifically about their responsiveness to local codes, such as San Mateo's strict water conservation ordinances and earthquake gas shut-off valve requirements. Avoid "handymen" for plumbing work, as it's illegal and often leads to code violations.

4Are there any seasonal plumbing issues I should prepare for in San Mateo?

Yes. While freezing pipes are rare, the winter rainy season (November-April) is critical for checking sump pumps, cleaning gutters to prevent foundation water issues, and inspecting your main sewer line for root intrusion, as tree roots are actively seeking water. Summer is the ideal time for proactive maintenance like inspecting irrigation systems for leaks, which aligns with local water district conservation rules, and servicing water heaters before increased use.

5My home was built before 1978. Are there special plumbing considerations I should know about?

Absolutely. Many older San Mateo homes, especially those in historic districts, may have galvanized steel pipes that corrode and restrict flow, or even lead components. Re-piping with modern materials like copper or PEX is a common and valuable upgrade. Furthermore, any renovation work must comply with current California Title 24 energy and water efficiency standards, meaning fixture replacements (toilets, showerheads) must be high-efficiency models, and your plumber must be well-versed in these local retrofit regulations.