61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 443 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Stockton, CA (2026)
21 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Stockton: JC SEWER & DRAIN PLUMBING LIC#845004, CR Score 61/100; 4.9★ from 443 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Parrish & Sons Inc, posts 24/7 hours; ranked #2 of 21.
- 5
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,664 Google reviews at 4.7★, the most of 21 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Stockton septic service companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 15 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.7★ across 21 rated businesses.
Top 10 septic service companies in Stockton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JC SEWER & DRAIN PLUMBING LIC#845004 | 61 | 4.9★ (443) | Stockton | Sat · Sun | Overall |
| 2 | Parrish & Sons Inc | 59 | 4.3★ (23) | Stockton | 24/7 | Emergencies |
| 3 | Stockton Septic Services | 59 | 4.6★ (34) | Stockton | Sat · Sun · Evenings | — |
| 4 | French Camp Septic Service | 58 | 5.0★ (7) | Stockton | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.7★ (1,664) | Manteca, 12 mi away | 24/7 | Most reviews |
| 6 | Twinsseptic | 57 | 5.0★ (24) | Lodi, 13 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 55 | 4.5★ (111) | Stockton | 24/7 | — |
| 8 | Pro Pumping Septic Service | 54 | 4.8★ (45) | Salida, 21 mi away | Sat · Sun | — |
| 9 | Discount Plumbing | 54 | 4.6★ (253) | Manteca, 12 mi away | 24/7 | — |
| 10 | River Rats Septic Services | 53 | 4.5★ (15) | Rio Vista, 23 mi away | 24/7 | — |
The 21 best septic service companies in Stockton, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Stockton
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stockton
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stockton
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 12 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 1,664 Google reviews, the most in Stockton.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 Twinsseptic
Based in Lodi, 13 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stockton
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.5★ from 111 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salida, 21 mi away
54/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 12 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.6★ from 253 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rio Vista, 23 mi away
53/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Galt, 18 mi away
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.3★ 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 Galt, 15 mi away
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 53 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 AAA Septic Inc.
Based in Manteca, 7 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lodi, 10 mi away
50/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Modesto, 19 mi away
50/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 12 mi away
49/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Escalon, 20 mi away
49/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Modesto, 22 mi away
49/100CR ScoreRanked #18 because of its Google rating and review volume: 4.5★ from 58 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 22 mi away
48/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 396 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lodi, 11 mi away
43/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Escalon, 20 mi away
41/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.5★ from 28 Google reviews, listed on Google as “Ready mix concrete supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Stockton
14 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 |
|---|---|---|
| 1st Choice Sewer & Drain | 5.0★ (1) | 9 mi |
| 1st Choice Sewer & Drain | 20 mi | |
| All Valley Septic Service, Inc. | 24 mi | |
| Discovery Bay Sewer Services | 18 mi | |
| Fuller Septic Services | 10 mi | |
| J & G Trap Services | 5.0★ (1) | 23 mi |
| JB Harvesting | 16 mi | |
| Morton Septic Backhoe & Drilling | In Stockton | |
| Mr. Rooter Plumbing of San Joaquin County | 5 mi | |
| Potty Pumpers | 24 mi | |
| Richards Pumping & Excavating | 4.2★ (6) | In Stockton |
| RUFF PLUMBING | 5.0★ (2) | 12 mi |
| Short Septic & Drilling Inc | 12 mi | |
| Zuniga construction and septics llc | 19 mi |
How we ranked Stockton septic service companies
We scored 21 Stockton 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 Stockton 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 Stockton: frequently asked questions
Who is the best septic service company in Stockton?
By CR Score, the highest-ranked septic service company in Stockton, CA is JC SEWER & DRAIN PLUMBING LIC#845004 with a CR Score of 61/100. It has 4.9★ from 443 Google reviews. It is open 7 days a week. Parrish & Sons Inc (#2) and Stockton Septic Services (#3) follow. We ranked 21 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Stockton?
ContractorsRanked ranks 21 septic service companies serving Stockton, CA. 5 of them are based in Stockton; the rest serve it from nearby towns. Another 14 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Stockton are open 24/7?
10 ranked septic service companies in Stockton post 24/7 hours. The highest-ranked are Parrish & Sons Inc (#2), French Camp Septic Service (#4) and Roto-Rooter Plumbing & Water Cleanup (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Stockton work on weekends?
15 of 21 ranked septic service companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are JC SEWER & DRAIN PLUMBING LIC#845004 (#1), Parrish & Sons Inc (#2) and Stockton Septic Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Stockton septic service companies have?
The median Google rating among 21 rated septic service companies in Stockton is 4.7★, with a median of 28 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 1,664 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 Stockton count in this ranking?
Yes, if they are within 25 mi of the Stockton 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 Stockton
- November 2026: CR Scores recalculated for 21 septic service companies serving Stockton.
More septic service companies and Stockton pages
Septic service companies near Stockton
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