59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 877 Google reviews, the most in Prunedale.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Prunedale, CA (2026)
34 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Prunedale: Roto-Rooter Plumbing & Water Cleanup, CR Score 59/100; 4.7★ from 877 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Alvarez Plumbing, posts 24/7 hours; ranked #3 of 34.
- 6
Most-reviewed: Mr. Rooter Plumbing of Santa Cruz, 719 Google reviews at 4.9★, the most of 34 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Prunedale septic service companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 22 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.
Top 10 septic service companies in Prunedale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 59 | 4.7★ (877) | Salinas, 6 mi away | 24/7 | Overall |
| 2 | Pacific Sewer & Drain | 59 | 5.0★ (14) | Prunedale | Sat · Sun | — |
| 3 | Alvarez Plumbing | 58 | 4.9★ (204) | Salinas, 6 mi away | 24/7 | Emergencies |
| 4 | Salinas Septic Sewer Services | 58 | 5.0★ (10) | Salinas, 8 mi away | 24/7 | — |
| 5 | Castle Pumping and Plumbing Services | 57 | 5.0★ (27) | East Foothills, 13 mi away | 24/7 | — |
| 6 | Mr. Rooter Plumbing of Santa Cruz | 55 | 4.9★ (719) | Santa Cruz, 24 mi away | 24/7 | Most reviews |
| 7 | GP Piping. Monterey Plumbing Services/Sewer & Repipe Specialist | 55 | 4.8★ (86) | Monterey, 17 mi away | 24/7 | — |
| 8 | Mr. Rooter Plumbing of Monterey | 55 | 4.8★ (296) | Monterey, 16 mi away | 24/7 | — |
| 9 | United Site Services | 55 | 2.7★ (6) | Salinas, 8 mi away | 24/7 | — |
| 10 | Duncan Plumbing | 55 | 4.9★ (716) | Santa Cruz, 21 mi away | Sat · Sun · Evenings | — |
The 34 best septic service companies in Prunedale, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Prunedale
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 6 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 204 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 8 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Foothills, 13 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Cruz, 24 mi away
55/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 719 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 17 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 86 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 16 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 296 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 8 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 2.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Duncan Plumbing
Based in Santa Cruz, 21 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 716 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Castroville, 4 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.8★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#12 HNG Construction
Based in Salinas, 1 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hollister, 13 mi away
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Gilroy, 17 mi away
53/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 Cid's Septic
Based in Gilroy, 17 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 17 mi away
53/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 53 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 7 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 Bailey Plumbing
Based in Morgan Hill, 24 mi away
52/100CR ScoreRanked #18 because of its Google rating and review volume: 4.6★ from 328 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 16 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 18 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Prunedale
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seaside, 15 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 1 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 17 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lodi, 24 mi away
49/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 34 septic service companies
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Pete's Outflow Technicians | 49 | 4.6★ (15) | 22 mi |
| 27 | Al's Septic Tank Services | 49 | 3.8★ (14) | 25 mi |
| 28 | The Don Chapin Company, Inc. | 47 | 4.3★ (11) | 3 mi |
| 29 | Acme Plumbing | 47 | 4.1★ (51) | 7 mi |
| 30 | Pros Plumbing and Rooter | 46 | 4.2★ (42) | 24 mi |
| 31 | Tino's Plumbing and Drain Service | 46 | 4.2★ (37) | 11 mi |
| 32 | Hastings Construction, Inc. | 44 | 4.4★ (12) | 16 mi |
| 33 | Browns Underground Septic Construction | 43 | 5.0★ (5) | 24 mi |
| 34 | United Rentals - Reliable Onsite Services | 43 | 5.0★ (6) | 16 mi |
Also serving Prunedale
8 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) | 23 mi |
| Al's Septic Tank Services | 5.0★ (2) | 4 mi |
| Henry's Plumbing | 19 mi | |
| Irish Excavation | 3.0★ (2) | 23 mi |
| Septic Tank Pumping | 4.0★ (1) | In Prunedale |
| Tom's Septic Construction | 5.0★ (1) | 3 mi |
| Tom's Septic Tank Services | 1.0★ (1) | 11 mi |
| West Coast Pipe Line | 22 mi |
How we ranked Prunedale septic service companies
We scored 34 Prunedale 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 Prunedale 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 Prunedale: frequently asked questions
Who is the best septic service company in Prunedale?
By CR Score, the highest-ranked septic service company in Prunedale, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 59/100. It has 4.7★ from 877 Google reviews. It is open 24/7. Pacific Sewer & Drain (#2) and Alvarez Plumbing (#3) follow. We ranked 34 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Prunedale?
ContractorsRanked ranks 34 septic service companies serving Prunedale, CA. 2 of them are based in Prunedale; the rest serve it from nearby towns. Another 8 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Prunedale are open 24/7?
13 ranked septic service companies in Prunedale post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Alvarez Plumbing (#3) and Salinas Septic Sewer Services (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Prunedale work on weekends?
22 of 34 ranked septic service companies post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Pacific Sewer & Drain (#2) and Alvarez Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Prunedale septic service companies have?
The median Google rating among 34 rated septic service companies in Prunedale is 4.8★, with a median of 12 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 877 reviews, and ranks #1. 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 Prunedale count in this ranking?
Yes, if they are within 25 mi of the Prunedale 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 Prunedale
- November 2026: CR Scores recalculated for 34 septic service companies serving Prunedale.
More septic service companies and Prunedale pages
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