58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 931 Google reviews.
Best Septic Service Companies in Visitacion Valley, CA (2026)
46 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Visitacion Valley: Ace Plumbing & Rooter, Inc., CR Score 58/100; 4.9★ from 931 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Hydroworks Plumbing, posts 24/7 hours; ranked #3 of 46.
- 2
Most-reviewed: Caccia Home Services, 1,910 Google reviews at 4.9★, the most of 46 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
46 Visitacion Valley septic service companies are ranked here by CR Score, from ten published factors. 25 are open 24/7, 37 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.9★ across 46 rated businesses.
Top 10 septic service companies in Visitacion Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ace Plumbing & Rooter, Inc. | 58 | 4.9★ (931) | San Francisco, 4 mi away | Sat · Sun · Evenings | Overall |
| 2 | Caccia Home Services | 58 | 4.9★ (1,910) | Burlingame, 8 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Hydroworks Plumbing | 57 | 5.0★ (27) | Hayward, 17 mi away | 24/7 | Emergencies |
| 4 | Wizard Plumbing and Drain | 56 | 4.8★ (1,648) | San Mateo, 13 mi away | Sat · Sun · Evenings | — |
| 5 | Isackson Plumbing | 55 | 5.0★ (74) | San Francisco, 5 mi away | 24/7 | — |
| 6 | A-1 Septic Tank Service Inc | 55 | 4.4★ (34) | Hayward, 20 mi away | 24/7 | — |
| 7 | In & Out Plumbing and Construction | 55 | 4.6★ (119) | South San Francisco, 5 mi away | 24/7 | — |
| 8 | Tremors Plumbing And Sewer Inc. | 55 | 5.0★ (29) | San Mateo, 12 mi away | 24/7 | — |
| 9 | George Salet Plumbing, Inc. | 55 | 5.0★ (486) | Daly City, 2 mi away | — | — |
| 10 | All Hayward Plumbing, Drain & Sewer Co. | 55 | 5.0★ (43) | Hayward, 15 mi away | 24/7 | — |
The 46 best septic service companies in Visitacion Valley, 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 Burlingame, 8 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 1,910 Google reviews, the most in Visitacion Valley.
Based in Hayward, 17 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in San Mateo, 13 mi away
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 1,648 Google reviews.
Based in San Francisco, 5 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 74 Google reviews.
Based in Hayward, 20 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.4★ from 34 Google reviews, listed on Google as “Septic system service”.
Based in South San Francisco, 5 mi away
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.6★ from 119 Google reviews.
Based in San Mateo, 12 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Plumber”.
Based in Daly City, 2 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 486 Google reviews.
Based in Hayward, 15 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based in El Sobrante, 18 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 6 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 4 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based in San Lorenzo, 15 mi away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 94 Google reviews.
Based in Dublin, 10 mi away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 62 Google reviews.
Based in Alameda, 7 mi away
53/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 36 Google reviews, open 24/7.
Based in Redwood Shores, 12 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Plumber”.
Based in Alamo, 13 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Plumber”.
Based in Richmond, 15 mi away
52/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based in San Mateo, 14 mi away
52/100CR ScoreRanked #20 because of its Google rating and review volume: 4.6★ from 93 Google reviews.
Based in San Mateo, 11 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “Plumber”.
Based in San Bruno, 6 mi away
52/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 65 Google reviews.
Based in Hayward, 19 mi away
52/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 98 Google reviews.
Based in San Rafael, 18 mi away
52/100CR ScoreRanked #24 because of its Google rating and review volume: 5.0★ from 236 Google reviews.
Based in Redwood Shores, 13 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Plumber”.
All 46 septic service companies
#1 to #25 are shown in full above. Here are #26 to #46, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | J&K Emergency Plumbing Services | 51 | 4.9★ (55) | 19 mi |
| 27 | United Site Services | 51 | 3.1★ (23) | 11 mi |
| 28 | Underground Rooter Sewer and Drains | 51 | 5.0★ (12) | 7 mi |
| 29 | Albion Plumbing Rooter Inc - Plumber in Alameda, CA | 51 | 4.8★ (17) | 12 mi |
| 30 | United Rentals - Reliable Onsite Services | 51 | 4.9★ (14) | 16 mi |
| 31 | AquaSaver Water Heaters | 50 | 5.0★ (5) | 7 mi |
| 32 | GWS Plumbing & Sewer | 50 | 5.0★ (27) | 24 mi |
| 33 | Progressive Plumbing & Rooters | 50 | 4.5★ (16) | 13 mi |
| 34 | Rescue Rooter | 50 | 3.7★ (18) | 9 mi |
| 35 | Total Underground Construction | 49 | 5.0★ (6) | 12 mi |
| 36 | USA Rooter & Plumbing | 49 | 4.3★ (31) | 17 mi |
| 37 | The Oakland Plumber | Emergency Plumbing Service | 49 | 5.0★ (3) | 10 mi |
| 38 | JD Services | 49 | 2.9★ (23) | 11 mi |
| 39 | Val Betti Plumbing | 48 | 4.9★ (127) | 16 mi |
| 40 | Sewer Master | 48 | 4.4★ (14) | 11 mi |
| 41 | Sewer Connection Inc | 47 | 4.6★ (30) | 19 mi |
| 42 | Marin H2O | 47 | 4.9★ (127) | 22 mi |
| 43 | Icon Plumbing & Design | 46 | 4.0★ (4) | 21 mi |
| 44 | Howie Excavating & Grading | 45 | 5.0★ (7) | 20 mi |
| 45 | Pros Plumbing & Rooter | 44 | 4.0★ (7) | 25 mi |
| 46 | Val Betti Plumbing | 43 | 5.0★ (14) | 22 mi |
Also serving Visitacion Valley
15 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 | 23 mi | |
| American Eagle Plumbing & Construction | 5.0★ (1) | 19 mi |
| Bay Area Restaurant Services LLC | 21 mi | |
| Carlos' Petaluma Septic Services | 24 mi | |
| Castro Valley's H & R Plumbing - Plumbing Sewer Repair and Installation, Drain Cleaner | 19 mi | |
| Ernie's Plumbing & Sewer Services | 20 mi | |
| North Bay Septic Services | 5.0★ (1) | 18 mi |
| Quick Fix Septic | 4 mi | |
| SDR Plumbing And Sewer | 5.0★ (1) | 14 mi |
| Septic Services in Oakland | 10 mi | |
| Sequoia Septic Tank Services | 18 mi | |
| Sewer & Drain Masters | 16 mi | |
| Sewer Rat Plumbing | 9 mi | |
| Sewer Rat Plumbing, Inc. | 1.0★ (1) | 19 mi |
| Sewerinspections | 20 mi |
How we ranked Visitacion Valley septic service companies
We scored 46 Visitacion Valley 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 Visitacion Valley 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 Visitacion Valley: frequently asked questions
Who is the best septic service company in Visitacion Valley?
By CR Score, the highest-ranked septic service company in Visitacion Valley, CA is Ace Plumbing & Rooter, Inc. with a CR Score of 58/100. It has 4.9★ from 931 Google reviews. It is open 7 days a week. Caccia Home Services (#2) and Hydroworks Plumbing (#3) follow. We ranked 46 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Visitacion Valley?
ContractorsRanked ranks 46 septic service companies serving Visitacion Valley, CA. Another 15 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Visitacion Valley are open 24/7?
25 ranked septic service companies in Visitacion Valley post 24/7 hours. The highest-ranked are Hydroworks Plumbing (#3), Isackson Plumbing (#5) and A-1 Septic Tank Service Inc (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Visitacion Valley work on weekends?
37 of 46 ranked septic service companies post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are Ace Plumbing & Rooter, Inc. (#1), Caccia Home Services (#2) and Hydroworks Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Visitacion Valley septic service companies have?
The median Google rating among 46 rated septic service companies in Visitacion Valley is 4.9★, with a median of 31 reviews. Caccia Home Services has the most, 1,910 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 Visitacion Valley count in this ranking?
Yes, if they are within 25 mi of the Visitacion Valley 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 Visitacion Valley
- November 2026: CR Scores recalculated for 46 septic service companies serving Visitacion Valley.
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