56/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Patterson, CA (2026)
24 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Patterson: QuikFlush Septic Service, LLC, CR Score 56/100; 5.0★ from 29 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Top Tier Plumbing Inc., posts 24/7 hours; ranked #3 of 24.
- 5
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,664 Google reviews at 4.7★, the most of 24 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 Patterson septic service companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 16 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.7★ across 24 rated businesses.
Top 10 septic service companies in Patterson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | QuikFlush Septic Service, LLC | 56 | 5.0★ (29) | Atwater, 20 mi away | 24/7 | Overall |
| 2 | Pro Pumping Septic Service | 56 | 4.8★ (45) | Salida, 16 mi away | Sat · Sun | — |
| 3 | Top Tier Plumbing Inc. | 56 | 5.0★ (346) | Modesto, 16 mi away | 24/7 | Emergencies |
| 4 | Salinas Portables Inc. | 55 | 5.0★ (7) | Patterson | Sat | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 55 | 4.7★ (1,664) | Manteca, 23 mi away | 24/7 | Most reviews |
| 6 | Stockton Septic Services | 54 | 4.6★ (34) | Stockton, 20 mi away | Sat · Sun · Evenings | — |
| 7 | A-1 Septic Services | 53 | 4.7★ (111) | Modesto, 16 mi away | — | — |
| 8 | Elmore Quality Plumbing | 51 | 5.0★ (45) | Modesto, 17 mi away | 24/7 | — |
| 9 | Discount Plumbing | 51 | 4.6★ (253) | Manteca, 24 mi away | 24/7 | — |
| 10 | Clark's Septic Service Inc. | 51 | 3.4★ (5) | Hughson, 17 mi away | 24/7 | — |
The 24 best septic service companies in Patterson, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Salida, 16 mi away
56/100CR ScoreRanked #2 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 Modesto, 16 mi away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 346 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Patterson
55/100CR 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, 23 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 1,664 Google reviews, the most in Patterson.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stockton, 20 mi away
54/100CR ScoreRanked #6 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 Modesto, 16 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 111 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Modesto, 17 mi away
51/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 45 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 24 mi away
51/100CR 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 Hughson, 17 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 3.4★ 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 Modesto, 16 mi away
50/100CR ScoreRanked #11 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 Modesto, 17 mi away
50/100CR ScoreRanked #12 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 Modesto, 16 mi away
49/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 19 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Modesto, 15 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 2.5★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hughson, 13 mi away
49/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.3★ 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 Modesto, 18 mi away
49/100CR ScoreRanked #16 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 Escalon, 24 mi away
48/100CR 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 Ceres, 12 mi away
48/100CR ScoreRanked #18 because of its Google rating and availability: 3.3★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 23 mi away
47/100CR ScoreRanked #19 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.
#20 Thrifty Plumbing
Based in Riverbank, 21 mi away
46/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ceres, 13 mi away
46/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ceres, 12 mi away
44/100CR ScoreRanked #22 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 Turlock, 15 mi away
43/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.9★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Escalon, 23 mi away
40/100CR ScoreRanked #24 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 Patterson
12 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 Action Septic | 20 mi | |
| AAA Backhoe Service | 5.0★ (2) | 17 mi |
| All Valley Septic Service, Inc. | 19 mi | |
| Clark Septic Services LLC | 5.0★ (1) | 18 mi |
| Gene's Septic Services | 15 mi | |
| JB Harvesting | 20 mi | |
| Mountain Valley Septic | 16 mi | |
| Rocha Backhoe Service, Inc. | 5.0★ (2) | 23 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (2) | 12 mi |
| United Site Services | 2.0★ (2) | 20 mi |
| Watson Backhoe & Septic Install Services | 5.0★ (2) | 19 mi |
| Yates Wastewater Services Inc | 5.0★ (1) | 19 mi |
How we ranked Patterson septic service companies
We scored 24 Patterson 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 Patterson 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 Patterson: frequently asked questions
Who is the best septic service company in Patterson?
By CR Score, the highest-ranked septic service company in Patterson, CA is QuikFlush Septic Service, LLC with a CR Score of 56/100. It has 5.0★ from 29 Google reviews. It is open 24/7. Pro Pumping Septic Service (#2) and Top Tier Plumbing Inc. (#3) follow. We ranked 24 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Patterson?
ContractorsRanked ranks 24 septic service companies serving Patterson, CA. 1 of them is based in Patterson; the rest serve it from nearby towns. Another 12 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Patterson are open 24/7?
10 ranked septic service companies in Patterson post 24/7 hours. The highest-ranked are QuikFlush Septic Service, LLC (#1), Top Tier Plumbing Inc. (#3) 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 Patterson work on weekends?
16 of 24 ranked septic service companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are QuikFlush Septic Service, LLC (#1), Pro Pumping Septic Service (#2) and Top Tier Plumbing Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Patterson septic service companies have?
The median Google rating among 24 rated septic service companies in Patterson is 4.7★, with a median of 17 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 Patterson count in this ranking?
Yes, if they are within 25 mi of the Patterson 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 Patterson
- November 2026: CR Scores recalculated for 24 septic service companies serving Patterson.
More septic service companies and Patterson pages
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