65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,216 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 3,216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2827 Aiello Dr, San Jose, CA 95111
Best Plumbers in Cupertino, CA (2026)
506 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cupertino: Rooter Hero Plumbing & Air of San Jose, CR Score 65/100; 4.8★ from 3,216 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Smart Plumbers Inc. DBA Smart Plumbers & Rooters, posts 24/7 hours; ranked #2 of 506.
- 8
Most-reviewed: EJ Plumbing & Water Heaters, 3,719 Google reviews at 4.9★, the most of 506 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
506 Cupertino plumbers are ranked here by CR Score, from ten published factors. 220 are open 24/7, 407 open Saturdays and 327 open Sundays, based on posted hours. The median Google rating is 4.9★ across 506 rated businesses.
Top 10 plumbers in Cupertino at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rooter Hero Plumbing & Air of San Jose | 65 | 4.8★ (3,216) | San Jose, 10 mi away | 24/7 | Overall |
| 2 | Smart Plumbers Inc. DBA Smart Plumbers & Rooters | 64 | 4.8★ (1,167) | Santa Clara, 5 mi away | 24/7 | Emergencies |
| 3 | Superior Plumbing | 64 | 4.9★ (433) | San Jose, 2 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (1,039) | Santa Clara, 5 mi away | 24/7 | — |
| 5 | Mike Counsil Plumbing and Rooter | 64 | 4.8★ (1,482) | San Jose, 8 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (781) | Sunnyvale, 5 mi away | 24/7 | — |
| 7 | Drain Doctor | 64 | 4.9★ (875) | San Jose, 8 mi away | 24/7 | — |
| 8 | EJ Plumbing & Water Heaters | 64 | 4.9★ (3,719) | Santa Clara, 5 mi away | Sun | Most reviews |
| 9 | Elite Rooter | 63 | 4.7★ (1,298) | San Jose, 8 mi away | 24/7 | — |
| 10 | Water Heaters Only, Inc | 63 | 4.9★ (552) | San Jose, 8 mi away | 24/7 | — |
The 506 best plumbers in Cupertino, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Santa Clara, 5 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,167 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2175 Ronald St, Santa Clara, CA 95050
Based in San Jose, 2 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 433 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 433 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6132 Bollinger Rd, San Jose, CA 95129
Based in Santa Clara, 5 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 1,039 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,039 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2078 Walsh Ave c1, Santa Clara, CA 95050
Based in San Jose, 8 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 1,482 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,482 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1915 O'Toole Way, San Jose, CA 95131
Based in Sunnyvale, 5 mi away
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 781 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 781 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 510 Lawrence Expy Ste 206, Sunnyvale, CA 94085
#7 Drain Doctor
Based in San Jose, 8 mi away
64/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 875 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 875 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1277 N 15th St, San Jose, CA 95112
Based in Santa Clara, 5 mi away
64/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 3,719 Google reviews, the most in Cupertino.
- 4.9★ from 3,719 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat closed · Sun 7 AM–4:30 PM
- Address
- 1170 Martin Ave, Santa Clara, CA 95050
#9 Elite Rooter
Based in San Jose, 8 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 1,298 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 1,298 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 245 Kinney Dr, San Jose, CA 95112
Based in San Jose, 8 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 552 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 552 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1780E Old Bayshore Hwy, San Jose, CA 95112
Based in Cupertino
63/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 116 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 116 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Santa Clara, 6 mi away
63/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 258 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4701 Patrick Henry Dr Building 25 Suite 107, Santa Clara, CA 95054
Based in Campbell, 6 mi away
63/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 308 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 308 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 191 Dillon Ave, Campbell, CA 95008
#14 MTZ Plumbing inc
Based in Sunnyvale, 3 mi away
63/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 160 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 480 E McKinley Ave, Sunnyvale, CA 94086
Based in East Palo Alto, 12 mi away
63/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 1,239 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,239 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 220 Demeter St, East Palo Alto, CA 94303
Based in San Jose, 8 mi away
63/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 609 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 609 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 166 Graham Ave, San Jose, CA 95110
#17 Gogo Rooter
Based in San Jose, 9 mi away
63/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 459 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 326 Phelan Ave #B, San Jose, CA 95112
Based in San Jose, 16 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 1,657 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,657 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 175 Bernal Rd #100, San Jose, CA 95119
Based in Redwood City, 14 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 880 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 880 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3158 Rolison Rd, Redwood City, CA 94063
Based in San Carlos, 17 mi away
62/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 1,314 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,314 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1011 American St, San Carlos, CA 94070
Based in San Jose, 15 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 763 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 763 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 210 Paraiso Ct, San Jose, CA 95119
Based in Santa Clara, 6 mi away
62/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 184 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 184 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1030 Duane Ave, Santa Clara, CA 95054
Based in Redwood City, 14 mi away
62/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 402 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 402 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3520 Haven Ave Unit K, Redwood City, CA 94063
Based in San Jose, 8 mi away
62/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 788 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 788 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1609 Regatta Ln B, San Jose, CA 95112
Based in San Jose, 10 mi away
62/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 185 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 185 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3694 Lynx Dr, San Jose, CA 95136
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 506 ranked plumbers here; the rest are on their profiles.
Also serving Cupertino
20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 24HR Aloha Plumbing | 4.0★ (2) | 2 mi |
| 24HR DRAIN PRO | In Cupertino | |
| ASAP Plumbing & Water Heater | 3.0★ (2) | 8 mi |
| Best Bay Plumbing | 5.0★ (57) | 9 mi |
| Blue Ocean Plumbing | In Cupertino | |
| Commando Plumbing | 4.9★ (150) | 14 mi |
| Cupertino sprinkler Repair | 4.5★ (2) | In Cupertino |
| Ed Neir Construction | In Cupertino | |
| Ever Plumbing Garden and Landscaping | 5.0★ (2) | 5 mi |
| Flow City Plumbing | 5.0★ (42) | 6 mi |
| Frontline Plumbing | 5.0★ (2) | In Cupertino |
| Pipex Plumbing | 4.9★ (105) | 11 mi |
| Rooter Solutions Plumbers | 4.9★ (157) | 8 mi |
| Roto-Rooter Plumbing & Water Cleanup | 4.8★ (121) | 11 mi |
| Santos Handyman Services | In Cupertino | |
| Shoreway Plumbing, Inc. | 4.9★ (253) | 16 mi |
| Steve K Plumbing | 3.0★ (2) | 3 mi |
| TKM Plumbing Inc | 3.0★ (2) | 4 mi |
| Trademark Plumbing Co. | 5.0★ (2) | 4 mi |
| trenchless Los Gatos ca | 5.0★ (2) | 7 mi |
How much do plumbers cost in Cupertino?
National price ranges in USD, not adjusted for Cupertino. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in California
In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
How we ranked Cupertino plumbers
We scored 506 Cupertino plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Cupertino data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in Cupertino: frequently asked questions
Who is the best plumber in Cupertino?
By CR Score, the highest-ranked plumber in Cupertino, CA is Rooter Hero Plumbing & Air of San Jose with a CR Score of 65/100. It has 4.8★ from 3,216 Google reviews. It is open 24/7. Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#2) and Superior Plumbing (#3) follow. We ranked 506 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Cupertino?
ContractorsRanked ranks 506 plumbers serving Cupertino, CA. 3 of them are based in Cupertino; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Cupertino are open 24/7?
220 ranked plumbers in Cupertino post 24/7 hours. The highest-ranked are Rooter Hero Plumbing & Air of San Jose (#1), Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#2) and Superior Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Cupertino work on weekends?
407 of 506 ranked plumbers post Saturday hours and 327 post Sunday hours. The highest-ranked open Saturdays are Rooter Hero Plumbing & Air of San Jose (#1), Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#2) and Superior Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).
How much does water heater replacement cost in Cupertino?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Cupertino. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Cupertino plumbers have?
The median Google rating among 506 rated plumbers in Cupertino is 4.9★, with a median of 28 reviews. EJ Plumbing & Water Heaters has the most, 3,719 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Cupertino
- October 2026: CR Scores recalculated for 506 plumbers serving Cupertino.
- October 2026: 8 duplicate listings merged.
More plumbers and Cupertino pages
Plumbers near Cupertino
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Other trades in Cupertino
- Roofers in Cupertino608 ranked
- Electricians in Cupertino381 ranked
- HVAC contractors in Cupertino449 ranked
- General contractors in Cupertino671 ranked
- Painters in Cupertino203 ranked
- Landscapers in Cupertino218 ranked
- Handymen in Cupertino92 ranked
- Kitchen remodelers in Cupertino413 ranked
- Bathroom remodelers in Cupertino383 ranked
- Flooring contractors in Cupertino220 ranked
- Tile installers in Cupertino70 ranked
- Drywall contractors in Cupertino29 ranked
- Concrete contractors in Cupertino214 ranked
- Fence contractors in Cupertino103 ranked
- Deck builders in Cupertino78 ranked
- Siding contractors in Cupertino77 ranked
- Window installers in Cupertino252 ranked
- Gutter installers in Cupertino136 ranked
- Insulation contractors in Cupertino74 ranked
- Solar installers in Cupertino230 ranked
- Garage door repair companies in Cupertino174 ranked
- Foundation repair companies in Cupertino93 ranked
- Tree services in Cupertino236 ranked
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- Water damage restoration companies in Cupertino328 ranked
- Home builders in Cupertino410 ranked
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- All contractors in Cupertino