The Best Plumbing Contractors in South San Francisco, CA

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

#1

All Star Plumbing & Drain

4.8
(280 reviews)
Verified

A highly-rated, family-owned and operated business known for its rapid response times, especially for emergency services. They emphasize transparent pricing and high-quality workmanship for both residential and commercial clients.

220 S Spruce Ave, South San Francisco, CA 94080

Specialties & Features

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

Business Information

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

Pioneer Plumbing & Drain

4.7
(150 reviews)
Verified

A local, family-owned company praised for its professional and friendly technicians. They offer 24/7 emergency service and focus on building long-term relationships with customers through reliable and honest service.

217 Miller Ave, South San Francisco, CA 94080

Specialties & Features

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

Business Information

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

B & B Plumbing

4.6
(90 reviews)
Verified

A well-established local contractor with a strong reputation for handling complex plumbing issues, including extensive repiping and sewer line projects. They are known for their expertise and thorough diagnostics.

541 Valley Dr, San Bruno, CA 94066 (Serves South San Francisco)

Specialties & Features

Sewer services
Leak detection and repair
Residential and commercial plumbing

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in South San Francisco

** The plumbing market in South San Francisco is competitive and service-oriented, reflecting the needs of its mixed industrial and residential base. The presence of major biotech and logistics companies creates a strong demand for reliable commercial plumbing services, while the established residential neighborhoods require skilled technicians for maintenance, repairs, and remodels. The overall quality of providers is high, with several long-standing, family-owned businesses dominating the local market. Customers generally expect and receive professional, responsive service. Pricing is typical for the San Francisco Bay Area, which is on the higher end nationally. A standard service call typically ranges from $100 to $250, with emergency rates being higher. Major projects like full repipes or sewer line replacements can easily cost several thousand dollars. The market rewards contractors who offer clear communication, upfront pricing, and 24/7 emergency availability.

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 South San Francisco regulations and climate

Frequently Asked Questions About Plumbing in South San Francisco

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

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

For standard services like drain cleaning or faucet replacement, South San Francisco homeowners can expect to pay between $150-$450, while major repipes or sewer line work often ranges from $2,000 to $10,000+. Costs are influenced by the high Bay Area operational expenses, including labor, insurance, and the city's business license fees. Additionally, many older homes in South City have galvanized pipes, which are more labor-intensive to replace than modern materials, adding to project quotes.

2How does South San Francisco's proximity to the bay and older housing stock affect my plumbing?

The moist, salty bay air can accelerate corrosion on exposed pipes and water heaters. More critically, many homes built before the 1970s have original galvanized steel pipes, which are prone to severe internal rusting and clogging, leading to low water pressure and eventual failure. It's also common for sewer lines in these older neighborhoods to be made of brittle clay or Orangeburg pipe, which are susceptible to root intrusion and collapse, especially during the wet winter season.

3Are there any local regulations or rebates I should know about for plumbing upgrades?

Yes. South San Francisco follows the strict California Plumbing Code and has local ordinances, such as requiring permits for most work beyond simple repairs. Importantly, to conserve water, California law mandates the use of WaterSense-labeled fixtures (faucets, toilets, showerheads) in all renovations and new installations. Homeowners can check with the Bay Area Water Supply and Conservation Agency (BAWSCA) for potential rebates on upgrading to high-efficiency toilets or replacing lawns with drought-tolerant landscaping.

4What should I look for when choosing a plumber in South San Francisco?

Always verify that the plumber holds a valid California C-36 Plumbing Contractor license, which is required for any job over $500 in labor and materials. Choose a local company familiar with South City's specific infrastructure challenges, like dealing with hillside sewer laterals or the soil conditions in different neighborhoods. Check for strong reviews, clear written estimates, and confirm they will handle all necessary city permits, which is a sign of a reputable and compliant professional.

5What are the most common emergency plumbing calls in South San Francisco, and when do they typically occur?

The most frequent emergencies are sewer line backups and burst pipes. Backups are common in winter due to increased rainfall saturating the ground and tree roots seeking water in sewer lines. Burst pipes, while less frequent due to our mild climate, can happen during rare freezing nights, especially in un-insulated crawl spaces. Proactive maintenance, like annual drain cleaning before the rainy season and insulating exposed pipes, is highly recommended to prevent these urgent and costly situations.