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The 10 Best Plumbers in San Jose (2026)
San Jose residents need plumbers who can handle everything from routine maintenance to unexpected leaks, and the city’s varied housing stock means plumbing needs can differ block to block. This ranking is built from Google review data and was updated for 2026; we used a Bayesian-style approach that weights average rating by review volume so businesses with many high scores rise in the list. We focused on objective review signals rather than advertising claims to highlight consistently well-reviewed local options. Use the list to compare reputable candidates before booking a service call.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Almaden Valley Plumbing
Almaden Valley Plumbing tops our list because it combines a perfect 5.0 Google rating with a large review base of 421 entries, giving it the highest weighted score under our method. That mix of flawless average and substantial review volume is exactly what the Bayesian approach favors, placing it above other highly rated but smaller listings. It appears on Google as a Plumber and its review profile was included in our 2026 update.
The full ranking
Plumbing Tech inc.
Holding a 5.0 average from 67 Google reviews, Plumbing Tech inc. is listed as a Plumber on Google.
67 reviews
Drain And Water
Drain And Water is listed as a Plumber with a 5.0 rating from 65 Google reviews and an address at 1913 Stone Ave in San Jose (95125).
65 reviews
Best Bay Plumbing And Rooter
With 52 Google reviews and a perfect 5.0 score, Best Bay Plumbing And Rooter shows an address at 454 Reynolds Cir A in San Jose (95112).
52 reviews
San Jose Drain and Main
San Jose Drain and Main shows a 5.0 average across 47 Google reviews and lists 1980 Park Ave in San Jose (95126) as its address.
47 reviews
Plumbtree Plumbing & Rooter
Plumbtree Plumbing & Rooter posts a 4.9 rating from 898 Google reviews, and the listing gives 210 Paraiso Ct in San Jose (95119) as its location.
898 reviews
Gogo Rooter
At 4.9 stars from 612 reviews, Gogo Rooter is a high-volume Google-listed Plumber with an address at 326 Phelan Ave #B in San Jose (95112).
612 reviews
Superior Plumbing
Superior Plumbing carries a 4.9 average on Google with 454 reviews and lists 6132 Bollinger Rd in San Jose (95129) as its address.
454 reviews
Ribbs Plumbing & Sewer
Ribbs Plumbing & Sewer, listed as a Plumber, has a 4.9 rating based on 444 Google reviews and an address at 2912 Daylight Way in San Jose (95111).
444 reviews
Knockout Plumbing & Repipe Inc.
Knockout Plumbing & Repipe Inc. is shown on Google as a Plumber with a 4.9 average from 380 reviews and an address in Campbell at 191 Dillon Ave (95008).
380 reviews
Frequently asked questions
How should I choose a plumber in San Jose?
Compare verified reviews and average ratings, confirm the business holds proper licensing and insurance, and ask whether the plumber has experience with your specific issue. Get a written estimate and a clear explanation of expected work before authorizing the job.
What should I check before hiring a plumber?
Verify state or local licensing where required and ask for proof of insurance to protect your home and the worker. Also check recent customer reviews, request a written estimate, and clarify guarantees or warranty terms for parts and labor.
How was this ranking created and updated?
This list is based on Google review data and was updated for 2026. We use a Bayesian-style method that weights a business’s average rating by its number of reviews so that consistently high-rated, well-reviewed providers rank higher than listings with only a few reviews.
When should I call a plumber instead of trying a DIY fix?
Call a plumber for persistent leaks, sewage backups, lack of water, burst pipes, or anything involving major water shutoff or structural risk. For small clogs or minor maintenance you may try safe DIY steps first, but don’t hesitate to call a professional if the problem persists or if you’re unsure how to proceed.