60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 609 Google reviews.
Best Septic Service Companies in Cupertino, CA (2026)
53 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cupertino: $15 Sewer & Drain Service, CR Score 60/100; 4.8★ from 609 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Superior Plumbing, posts 24/7 hours; ranked #2 of 53.
- 12
Most-reviewed: Wizard Plumbing and Drain, 1,648 Google reviews at 4.8★, the most of 53 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
53 Cupertino septic service companies are ranked here by CR Score, from ten published factors. 25 are open 24/7, 44 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.8★ across 53 rated businesses.
Top 10 septic service companies in Cupertino at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | $15 Sewer & Drain Service | 60 | 4.8★ (609) | San Jose, 8 mi away | 24/7 | Overall |
| 2 | Superior Plumbing | 59 | 4.9★ (433) | San Jose, 2 mi away | 24/7 | Emergencies |
| 3 | PICHANGA PUMPING SERVICE LLC | 59 | 4.9★ (70) | Mountain View, 7 mi away | Sat · Sun | — |
| 4 | Elite Rooter | 58 | 4.7★ (1,298) | San Jose, 8 mi away | 24/7 | — |
| 5 | Comet Plumbing & Sewer Co. | 57 | 4.9★ (97) | Sunnyvale, 4 mi away | Sat · Sun · Evenings | — |
| 6 | Mr. Rooter Plumbing of Sunnyvale - Mountain View | 56 | 4.9★ (137) | Sunnyvale, 4 mi away | 24/7 | — |
| 7 | Ribbs Plumbing & Sewer | 56 | 4.9★ (409) | San Jose, 10 mi away | Sat | — |
| 8 | Hydroworks Plumbing | 56 | 5.0★ (27) | Hayward, 21 mi away | 24/7 | — |
| 9 | Bailey Plumbing | 56 | 4.9★ (109) | Los Gatos, 7 mi away | 24/7 | — |
| 10 | Rayne Plumbing & Sewer Service, Inc. | 55 | 4.5★ (64) | San Jose, 8 mi away | 24/7 | — |
The 53 best septic service companies 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 San Jose, 2 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 433 Google reviews.
Based in Mountain View, 7 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Septic system service”.
#4 Elite Rooter
Based in San Jose, 8 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.7★ from 1,298 Google reviews.
Based in Sunnyvale, 4 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “Plumber”.
Based in Sunnyvale, 4 mi away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 137 Google reviews.
Based in San Jose, 10 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 409 Google reviews.
Based in Hayward, 21 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Los Gatos, 7 mi away
56/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 109 Google reviews.
Based in San Jose, 8 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 64 Google reviews, listed on Google as “Plumber”.
Based in Hayward, 21 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.4★ from 34 Google reviews, listed on Google as “Septic system service”.
Based in San Mateo, 22 mi away
54/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 1,648 Google reviews, the most in Cupertino.
Based in San Jose, 6 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in San Jose, 8 mi away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 157 Google reviews.
Based in San Jose, 7 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.2★ from 28 Google reviews, listed on Google as “Plumber”.
Based in Campbell, 8 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Plumber”.
Based in Santa Clara, 6 mi away
54/100CR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 154 Google reviews.
Based in East Foothills, 20 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Plumber”.
#19 Duncan Plumbing
Based in Santa Cruz, 25 mi away
53/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 716 Google reviews.
Based in San Jose, 11 mi away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 42 Google reviews.
Based in Hayward, 23 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based in Fremont, 12 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.1★ from 26 Google reviews, listed on Google as “Plumber”.
Based in San Jose, 7 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Plumber”.
Based in Atherton, 9 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Plumber”.
Based in Redwood City, 16 mi away
52/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 55 Google reviews.
Septic service companies 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 53 ranked septic service companies here; the rest are on their profiles.
Also serving Cupertino
10 more septic service companies 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 |
|---|---|---|
| Affordable Underground | 5.0★ (1) | 22 mi |
| Campbell Sanitary Sewer Services | 6 mi | |
| Castro Valley's H & R Plumbing - Plumbing Sewer Repair and Installation, Drain Cleaner | 23 mi | |
| Handyman Plumbers Sewer & Drain Cleaning | 5.0★ (2) | 11 mi |
| M.S Plumbing & Sewer Cleaner | 11 mi | |
| Magic Plumbing Services | In Cupertino | |
| Ring's Bobcat & Drilling Services | 5.0★ (1) | 13 mi |
| SDR Plumbing And Sewer | 5.0★ (1) | 21 mi |
| VIB Coastal Septic | 16 mi | |
| West Coast Pipe Line | 22 mi |
How we ranked Cupertino septic service companies
We scored 53 Cupertino septic service companies 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 November 3, 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 |
Septic service companies in Cupertino: frequently asked questions
Who is the best septic service company in Cupertino?
By CR Score, the highest-ranked septic service company in Cupertino, CA is $15 Sewer & Drain Service with a CR Score of 60/100. It has 4.8★ from 609 Google reviews. It is open 24/7. Superior Plumbing (#2) and PICHANGA PUMPING SERVICE LLC (#3) follow. We ranked 53 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Cupertino?
ContractorsRanked ranks 53 septic service companies serving Cupertino, CA. Another 10 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Cupertino are open 24/7?
25 ranked septic service companies in Cupertino post 24/7 hours. The highest-ranked are $15 Sewer & Drain Service (#1), Superior Plumbing (#2) and Elite Rooter (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Cupertino work on weekends?
44 of 53 ranked septic service companies post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are $15 Sewer & Drain Service (#1), Superior Plumbing (#2) and PICHANGA PUMPING SERVICE LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Cupertino septic service companies have?
The median Google rating among 53 rated septic service companies in Cupertino is 4.8★, with a median of 34 reviews. Wizard Plumbing and Drain has the most, 1,648 reviews, and ranks #12. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service company 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.
Do septic service companies outside Cupertino count in this ranking?
Yes, if they are within 25 mi of the Cupertino city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can septic service companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Cupertino
- November 2026: CR Scores recalculated for 53 septic service companies serving Cupertino.
More septic service companies and Cupertino pages
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