58/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Plumber”.
Best Septic Service Companies in San Pablo, CA (2026)
50 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Pablo: El Sobrante Sewer Repair, CR Score 58/100; 5.0★ from 118 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): GTO. Plumbing and rooter, posts 24/7 hours; ranked #3 of 50.
- 2
Most-reviewed: Ace Plumbing & Rooter, Inc., 931 Google reviews at 4.9★, the most of 50 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 San Pablo septic service companies are ranked here by CR Score, from ten published factors. 21 are open 24/7, 30 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 50 rated businesses.
Top 10 septic service companies in San Pablo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | El Sobrante Sewer Repair | 58 | 5.0★ (118) | El Sobrante, 4 mi away | Sat · Sun · Evenings | Overall |
| 2 | Ace Plumbing & Rooter, Inc. | 57 | 4.9★ (931) | San Francisco, 14 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | GTO. Plumbing and rooter | 56 | 4.9★ (59) | Richmond, 2 mi away | 24/7 | Emergencies |
| 4 | American Sanitation Inc | 56 | 5.0★ (361) | Napa, 24 mi away | — | — |
| 5 | Dan's Plumbing & Sewer Service | 55 | 5.0★ (236) | San Rafael, 9 mi away | — | — |
| 6 | Isackson Plumbing | 54 | 5.0★ (74) | San Francisco, 13 mi away | 24/7 | — |
| 7 | Mr. Rooter Plumbing of Contra Costa County | 54 | 4.8★ (265) | Fairfield, 20 mi away | 24/7 | — |
| 8 | ABC Sewer & Drain | 54 | 4.4★ (59) | Benicia, 14 mi away | 24/7 | — |
| 9 | JNJ Rooter and Plumbing LLC | 54 | 5.0★ (261) | Alamo, 20 mi away | 24/7 | — |
| 10 | All Hayward Plumbing, Drain & Sewer Co. | 53 | 5.0★ (43) | Hayward, 25 mi away | 24/7 | — |
The 50 best septic service companies in San Pablo, 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 Francisco, 14 mi away
57/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 931 Google reviews, the most in San Pablo.
Based in Richmond, 2 mi away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based in Napa, 24 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 361 Google reviews, listed on Google as “Septic system service”.
Based in San Rafael, 9 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 236 Google reviews.
Based in San Francisco, 13 mi away
54/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 74 Google reviews.
Based in Fairfield, 20 mi away
54/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 265 Google reviews.
Based in Benicia, 14 mi away
54/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.4★ from 59 Google reviews, listed on Google as “Plumber”.
Based in Alamo, 20 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 261 Google reviews.
Based in Hayward, 25 mi away
53/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based in Richmond, 2 mi away
53/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 127 Google reviews.
Based in Vallejo, 11 mi away
52/100CR ScoreRanked #12 because of its Google rating and review volume: 4.5★ from 57 Google reviews.
Based in San Lorenzo, 23 mi away
52/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 94 Google reviews.
Based in San Francisco, 13 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based in Alameda, 15 mi away
52/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 36 Google reviews.
Based in South San Francisco, 22 mi away
51/100CR ScoreRanked #16 because of its Google rating and review volume: 4.6★ from 119 Google reviews.
Based in Daly City, 19 mi away
51/100CR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 486 Google reviews.
Based in El Sobrante, 3 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Plumber”.
Based in Hayward, 25 mi away
51/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 98 Google reviews.
Based in Alamo, 20 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Plumber”.
Based in Novato, 12 mi away
51/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based in San Francisco, 17 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based in Sonoma, 25 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Oakland, 16 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.1★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Alameda, 12 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Plumber”.
All 50 septic service companies
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Also serving San Pablo
16 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 |
|---|---|---|
| A-1 Rapid Rooter | 16 mi | |
| American Eagle Plumbing & Construction | 5.0★ (1) | 5 mi |
| Bay Area Restaurant Services LLC | 21 mi | |
| Carlos' Petaluma Septic Services | 11 mi | |
| Ernie's Plumbing & Sewer Services | 5 mi | |
| Evenflow sewer repair - Concord | 16 mi | |
| North Bay Septic Services | 5.0★ (1) | 9 mi |
| Quick Fix Septic | 14 mi | |
| Rooterman Drain & Sewer Service | 5.0★ (2) | 12 mi |
| Roy's Sewer Services | 5.0★ (1) | 25 mi |
| Septic Services in Oakland | 11 mi | |
| Sequoia Septic Tank Services | 9 mi | |
| Sewer & Drain Masters | 1 mi | |
| Sewer Master | 13 mi | |
| Sewerinspections | 3 mi | |
| Trinity Oaks Septic Services | 5.0★ (1) | 24 mi |
How we ranked San Pablo septic service companies
We scored 50 San Pablo 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 San Pablo 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 San Pablo: frequently asked questions
Who is the best septic service company in San Pablo?
By CR Score, the highest-ranked septic service company in San Pablo, CA is El Sobrante Sewer Repair with a CR Score of 58/100. It has 5.0★ from 118 Google reviews. It is open 7 days a week. Ace Plumbing & Rooter, Inc. (#2) and GTO. Plumbing and rooter (#3) follow. We ranked 50 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in San Pablo?
ContractorsRanked ranks 50 septic service companies serving San Pablo, CA. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in San Pablo are open 24/7?
21 ranked septic service companies in San Pablo post 24/7 hours. The highest-ranked are GTO. Plumbing and rooter (#3), Isackson Plumbing (#6) and Mr. Rooter Plumbing of Contra Costa County (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in San Pablo work on weekends?
30 of 50 ranked septic service companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are El Sobrante Sewer Repair (#1), Ace Plumbing & Rooter, Inc. (#2) and GTO. Plumbing and rooter (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Pablo septic service companies have?
The median Google rating among 50 rated septic service companies in San Pablo is 4.9★, with a median of 33 reviews. Ace Plumbing & Rooter, Inc. has the most, 931 reviews, and ranks #2. 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 San Pablo count in this ranking?
Yes, if they are within 25 mi of the San Pablo 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 San Pablo
- November 2026: CR Scores recalculated for 50 septic service companies serving San Pablo.
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