61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 877 Google reviews, the most in Salinas.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Salinas, CA (2026)
30 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Salinas: Roto-Rooter Plumbing & Water Cleanup, CR Score 61/100; 4.7★ from 877 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Salinas Septic Sewer Services, posts 24/7 hours; ranked #2 of 30.
- 4
Most-reviewed: Mr. Rooter Plumbing of Monterey, 296 Google reviews at 4.8★, the most of 30 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Salinas septic service companies are ranked here by CR Score, from ten published factors. 12 are open 24/7, 19 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 5.0★ across 30 rated businesses.
Top 10 septic service companies in Salinas at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.7★ (877) | Salinas | 24/7 | Overall |
| 2 | Salinas Septic Sewer Services | 59 | 5.0★ (10) | Salinas | 24/7 | Emergencies |
| 3 | Alvarez Plumbing | 59 | 4.9★ (204) | Salinas | 24/7 | — |
| 4 | Mr. Rooter Plumbing of Monterey | 57 | 4.8★ (296) | Monterey, 9 mi away | 24/7 | Most reviews |
| 5 | United Site Services | 57 | 2.7★ (6) | Salinas | 24/7 | — |
| 6 | GP Piping. Monterey Plumbing Services/Sewer & Repipe Specialist | 56 | 4.8★ (86) | Monterey, 14 mi away | 24/7 | — |
| 7 | Castle Pumping and Plumbing Services | 55 | 5.0★ (27) | East Foothills, 19 mi away | 24/7 | — |
| 8 | Alonso's Pumping Services | 54 | 5.0★ (4) | Salinas | Sat | — |
| 9 | HNG Construction | 54 | 5.0★ (4) | Salinas | Sat | — |
| 10 | Viking Septic Salinas | 54 | 5.0★ (3) | Salinas | Sat | — |
The 30 best septic service companies in Salinas, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Salinas
59/100CR ScoreRanked #2 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 Salinas
59/100CR 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 Monterey, 9 mi away
57/100CR ScoreRanked #4 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
57/100CR ScoreRanked #5 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.
Based in Monterey, 14 mi away
56/100CR ScoreRanked #6 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 East Foothills, 19 mi away
55/100CR ScoreRanked #7 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 Salinas
54/100CR ScoreRanked #8 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 Salinas
54/100CR ScoreRanked #9 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 Salinas
54/100CR ScoreRanked #10 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.
Based in Castroville, 7 mi away
53/100CR 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.
Based in Monterey, 14 mi away
53/100CR ScoreRanked #12 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 Soledad, 24 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Prunedale, 24 mi away
52/100CR ScoreRanked #14 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 Monterey, 13 mi away
52/100CR ScoreRanked #15 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 Hollister, 16 mi away
52/100CR ScoreRanked #16 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, 23 mi away
51/100CR ScoreRanked #17 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.
Based in Seaside, 12 mi away
51/100CR ScoreRanked #18 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.
#19 Cid's Septic
Based in Gilroy, 23 mi away
51/100CR ScoreRanked #19 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 Salinas
51/100CR ScoreRanked #20 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 Prunedale, 2 mi away
50/100CR 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 Gilroy, 24 mi away
50/100CR ScoreRanked #22 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.
#23 Acme Plumbing
Based in Salinas
49/100CR ScoreRanked #23 because of its Google rating and review volume: 4.1★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 23 mi away
48/100CR 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 Salinas
47/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Paving contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 30 septic service companies
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Hastings Construction, Inc. | 45 | 4.4★ (12) | 11 mi |
| 27 | Tino's Plumbing and Drain Service | 44 | 4.2★ (37) | 18 mi |
| 28 | Browns Underground Septic Construction | 44 | 5.0★ (5) | 22 mi |
| 29 | United Rentals - Reliable Onsite Services | 41 | 5.0★ (6) | 23 mi |
| 30 | Bailey Dent | 40 | 5.0★ (4) | 24 mi |
Also serving Salinas
7 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 |
|---|---|---|
| Al's Septic Tank Services | 5.0★ (2) | In Salinas |
| caliseptictankpumpingservices | 5.0★ (1) | 24 mi |
| Diamond Sanitation Services LLC | In Salinas | |
| Henry's Plumbing | 25 mi | |
| Septic Tank Pumping | 4.0★ (1) | 8 mi |
| Tom's Septic Construction | 5.0★ (1) | In Salinas |
| Tom's Septic Tank Services | 1.0★ (1) | 17 mi |
How we ranked Salinas septic service companies
We scored 30 Salinas 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 Salinas 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 Salinas: frequently asked questions
Who is the best septic service company in Salinas?
By CR Score, the highest-ranked septic service company in Salinas, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 61/100. It has 4.7★ from 877 Google reviews. It is open 24/7. Salinas Septic Sewer Services (#2) and Alvarez Plumbing (#3) follow. We ranked 30 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Salinas?
ContractorsRanked ranks 30 septic service companies serving Salinas, CA. 10 of them are based in Salinas; the rest serve it from nearby towns. Another 7 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Salinas are open 24/7?
12 ranked septic service companies in Salinas post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Salinas Septic Sewer Services (#2) and Alvarez Plumbing (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Salinas work on weekends?
19 of 30 ranked septic service companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Salinas Septic Sewer Services (#2) and Alvarez Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Salinas septic service companies have?
The median Google rating among 30 rated septic service companies in Salinas is 5.0★, with a median of 11 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 Salinas count in this ranking?
Yes, if they are within 25 mi of the Salinas 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 Salinas
- November 2026: CR Scores recalculated for 30 septic service companies serving Salinas.
- November 2026: 1 duplicate listing merged.
More septic service companies and Salinas pages
Septic service companies near Salinas
- Septic service companies in Prunedale, CA34 ranked
- Septic service companies in Marina, CA23 ranked
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- Septic service companies in Gilroy, CA29 ranked
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- Septic service companies in Capitola, CA38 ranked
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