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 Richmond, CA (2026)
48 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Richmond: 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 48.
- 5
Most-reviewed: Caccia Home Services, 1,910 Google reviews at 4.9★, the most of 48 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
48 Richmond septic service companies are ranked here by CR Score, from ten published factors. 23 are open 24/7, 32 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 48 rated businesses.
Top 10 septic service companies in Richmond 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. | 56 | 4.9★ (931) | San Francisco, 12 mi away | Sat · Sun · Evenings | — |
| 3 | GTO. Plumbing and rooter | 56 | 4.9★ (59) | Richmond | 24/7 | Emergencies |
| 4 | Hydroworks Plumbing | 55 | 5.0★ (27) | Hayward, 25 mi away | 24/7 | — |
| 5 | Caccia Home Services | 55 | 4.9★ (1,910) | Burlingame, 23 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Dan's Plumbing & Sewer Service | 54 | 5.0★ (236) | San Rafael, 9 mi away | — | — |
| 7 | Isackson Plumbing | 54 | 5.0★ (74) | San Francisco, 12 mi away | 24/7 | — |
| 8 | ABC Sewer & Drain | 53 | 4.4★ (59) | Benicia, 16 mi away | 24/7 | — |
| 9 | Mr. Rooter Plumbing of Contra Costa County | 53 | 4.8★ (265) | Fairfield, 22 mi away | 24/7 | — |
| 10 | JNJ Rooter and Plumbing LLC | 53 | 5.0★ (261) | Alamo, 20 mi away | 24/7 | — |
The 48 best septic service companies in Richmond, 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, 12 mi away
56/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 931 Google reviews.
Based in Richmond
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based in Hayward, 25 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Burlingame, 23 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 1,910 Google reviews, the most in Richmond.
Based in San Rafael, 9 mi away
54/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 236 Google reviews.
Based in San Francisco, 12 mi away
54/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 74 Google reviews.
Based in Benicia, 16 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.4★ from 59 Google reviews, listed on Google as “Plumber”.
Based in Fairfield, 22 mi away
53/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 265 Google reviews.
Based in Alamo, 20 mi away
53/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 261 Google reviews.
Based in Hayward, 23 mi away
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 12 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based in Richmond
52/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 127 Google reviews.
Based in San Lorenzo, 21 mi away
52/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 94 Google reviews.
Based in Alameda, 14 mi away
52/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 36 Google reviews, open 24/7.
Based in Vallejo, 13 mi away
51/100CR ScoreRanked #16 because of its Google rating and review volume: 4.5★ from 57 Google reviews.
Based in San Francisco, 15 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based in Alamo, 19 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Plumber”.
Based in South San Francisco, 20 mi away
51/100CR ScoreRanked #19 because of its Google rating and review volume: 4.6★ from 119 Google reviews.
Based in Daly City, 17 mi away
51/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 486 Google reviews.
Based in Hayward, 23 mi away
51/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 98 Google reviews.
Based in El Sobrante, 4 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Plumber”.
Based in Oakland, 15 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.1★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Alameda, 10 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based in Novato, 13 mi away
50/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
All 48 septic service companies
#1 to #25 are shown in full above. Here are #26 to #48, in CR Score order; each links to its profile.
Also serving Richmond
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) | 6 mi |
| Bay Area Restaurant Services LLC | 20 mi | |
| Carlos' Petaluma Septic Services | 12 mi | |
| Castro Valley's H & R Plumbing - Plumbing Sewer Repair and Installation, Drain Cleaner | 25 mi | |
| Ernie's Plumbing & Sewer Services | 6 mi | |
| Evenflow sewer repair - Concord | 17 mi | |
| North Bay Septic Services | 5.0★ (1) | 9 mi |
| Quick Fix Septic | 13 mi | |
| Rooterman Drain & Sewer Service | 5.0★ (2) | 13 mi |
| Septic Services in Oakland | 10 mi | |
| Sequoia Septic Tank Services | 9 mi | |
| Sewer & Drain Masters | In Richmond | |
| Sewer Master | 15 mi | |
| Sewer Rat Plumbing | 24 mi | |
| Sewerinspections | 5 mi |
How we ranked Richmond septic service companies
We scored 48 Richmond 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 2, 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 Richmond 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 Richmond: frequently asked questions
Who is the best septic service company in Richmond?
By CR Score, the highest-ranked septic service company in Richmond, 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 48 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Richmond?
ContractorsRanked ranks 48 septic service companies serving Richmond, CA. 2 of them are based in Richmond; the rest serve it from nearby towns. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Richmond are open 24/7?
23 ranked septic service companies in Richmond post 24/7 hours. The highest-ranked are GTO. Plumbing and rooter (#3), Hydroworks Plumbing (#4) and Isackson Plumbing (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Richmond work on weekends?
32 of 48 ranked septic service companies post Saturday hours and 25 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 Richmond septic service companies have?
The median Google rating among 48 rated septic service companies in Richmond is 4.9★, with a median of 31 reviews. Caccia Home Services has the most, 1,910 reviews, and ranks #5. 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 Richmond count in this ranking?
Yes, if they are within 25 mi of the Richmond 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 Richmond
- November 2026: CR Scores recalculated for 48 septic service companies serving Richmond.
More septic service companies and Richmond pages
Septic service companies near Richmond
- Septic service companies in San Pablo, CA50 ranked
- Septic service companies in El Cerrito, CA52 ranked
- Septic service companies in El Sobrante, CA48 ranked
- Septic service companies in Albany, CA54 ranked
- Septic service companies in Pinole, CA46 ranked
- Septic service companies in Berkeley, CA55 ranked
- Septic service companies in Hercules, CA44 ranked
- Septic service companies in Emeryville, CA54 ranked
- Septic service companies in Piedmont, CA56 ranked
- Septic service companies in Oakland, CA55 ranked
Other trades in Richmond
- Roofers in Richmond683 ranked
- Plumbers in Richmond621 ranked
- Electricians in Richmond447 ranked
- HVAC contractors in Richmond467 ranked
- General contractors in Richmond949 ranked
- Painters in Richmond206 ranked
- Landscapers in Richmond138 ranked
- Handymen in Richmond106 ranked
- Kitchen remodelers in Richmond440 ranked
- Bathroom remodelers in Richmond422 ranked
- Flooring contractors in Richmond294 ranked
- Tile installers in Richmond54 ranked
- Drywall contractors in Richmond31 ranked
- Concrete contractors in Richmond249 ranked
- Fence contractors in Richmond108 ranked
- Deck builders in Richmond147 ranked
- Siding contractors in Richmond95 ranked
- Window installers in Richmond291 ranked
- Gutter installers in Richmond176 ranked
- Insulation contractors in Richmond91 ranked
- Solar installers in Richmond292 ranked
- Garage door repair companies in Richmond197 ranked
- Foundation repair companies in Richmond116 ranked
- Tree services in Richmond224 ranked
- Masonry contractors in Richmond122 ranked
- Water damage restoration companies in Richmond335 ranked
- Home builders in Richmond402 ranked
- Demolition contractors in Richmond105 ranked
- Window cleaners in Richmond84 ranked
- Pressure washing companies in Richmond76 ranked
- Pest control companies in Richmond165 ranked
- Paving contractors in Richmond136 ranked
- Auto glass repair shops in Richmond280 ranked
- Excavating contractors in Richmond80 ranked
- Pool builders in Richmond192 ranked
- All contractors in Richmond