The Best Plumbing Contractors in San Jose, CA

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

#1

Viking Mechanical

4.8
(280 reviews)
Verified

Viking Mechanical is a highly-rated, family-owned and operated plumbing and HVAC company known for its rapid response times, especially for emergencies. They emphasize transparent pricing and high-quality workmanship, serving both residential and commercial clients in the South Bay.

1257 Suncast Ln, San Jose, CA 95122

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Leak detection and repair

Business Information

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

Mr. Rooter Plumbing of San Jose

4.7
(190 reviews)
Verified

As part of a national franchise with a strong local presence, Mr. Rooter Plumbing is recognized for its professional, uniformed technicians and upfront, flat-rate pricing. They offer a wide range of services with a particular emphasis on drain and sewer line issues.

1080 Knollwood Cir, San Jose, CA 95120

Specialties & Features

Drain cleaning and sewer services
Pipe installation and replacement
Bathroom and kitchen plumbing

Business Information

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

Campbell Plumbing

4.6
(150 reviews)
Verified

A well-established local contractor, Campbell Plumbing has built a strong reputation for reliability and expertise in both repair and remodeling projects. They are frequently praised in customer reviews for their honesty, clean work, and effective problem-solving on complex jobs.

307 Orchard City Dr, Campbell, CA 95008

Specialties & Features

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

Business Information

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

Why These Are the Top Plumbing Contractors in San Jose

** The plumbing market in San Jose is highly competitive and service-oriented, reflecting the demands of a large, densely populated metropolitan area with a mix of modern and older housing stock. The average quality of service providers is high, with consumers having access to numerous well-established, licensed, and insured contractors. Due to the high cost of living and business operations in the Silicon Valley region, pricing for plumbing services is typically above the national average. A standard service call fee often ranges from $100 to $200, with emergency or after-hours services commanding a significant premium. Hydro-jetting for drain lines can cost $350-$600, while water heater replacements typically range from $1,500 to $3,500+ depending on the unit type and complexity. The most successful companies differentiate themselves through rapid emergency response, transparent and upfront pricing models, and strong digital review profiles.

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 Jose regulations and climate

Frequently Asked Questions About Plumbing in San Jose

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

1What is the typical cost for common plumbing repairs in San Jose, like fixing a leaky faucet or a running toilet?

In San Jose, the cost for common repairs typically ranges from $150 to $400, with faucet repairs on the lower end and toilet repairs involving flapper/valve replacements on the higher end. Pricing is influenced by high local business operating costs and the plumber's travel time within the sprawling city. Always request a detailed, upfront estimate, as costs can be higher for older homes with hard-to-find parts or if the job reveals unexpected complications like corrosion.

2How does San Jose's hard water affect my plumbing, and what services should I consider?

San Jose's very hard water leads to significant limescale buildup in pipes, water heaters, and fixtures, reducing efficiency and lifespan. Homeowners should consider installing a whole-house water softener, which is a highly recommended service in the area, and schedule regular descaling of tank-style water heaters. This preventative maintenance is crucial for preventing clogs and maintaining appliance efficiency under local water conditions.

3Are there specific local regulations in San Jose I should know about for plumbing renovations or water heater replacements?

Yes, San Jose follows strict California state and local codes. Notably, for water heater replacements, you must comply with seismic strapping requirements and may need a thermal expansion tank. Furthermore, due to California's water conservation laws, any renovation likely requires the installation of low-flow fixtures (toilets, showerheads, faucets). Always hire a licensed plumber who will pull the necessary permits from the City of San Jose.

4What seasonal plumbing issues are most common for San Jose homeowners? **Question:** What seasonal plumbing issues are most common for San Jose homeowners?

While San Jose has a mild climate, the rare but intense winter rains can overwhelm older sewer lines and cause basement or slab leaks. Conversely, the long, dry summers put stress on landscaping irrigation systems, leading to leaks and sprinkler head damage. It's wise to have your main sewer line inspected before the rainy season and to check your irrigation system in the spring.

5How do I choose a reliable, licensed plumber in San Jose, and what red flags should I avoid?

Always verify the plumber holds a valid California C-36 Plumbing Contractor license through the CSLB website. Choose a local company with strong reviews specific to San Jose/Silicon Valley, as they understand regional housing styles and water issues. Major red flags include refusing to provide a written estimate, demanding full payment upfront in cash, or not being willing to pull permits for work that requires them.