57/100CR Score
Ranked #1 because of its Google rating and review volume: 4.4★ from 53 Google reviews, the most in Corcoran.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Corcoran, CA (2026)
8 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Corcoran: Pro Rooter & Septic - Visalia Plumbing, CR Score 57/100; 4.4★ from 53 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): PRS Plumber Tulare, posts 24/7 hours; ranked #3 of 8.
- 2
Most-reviewed: Tulare County Septic Tanks, 17 Google reviews at 5.0★, the most of 8 ranked after Pro Rooter & Septic - Visalia Plumbing; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Corcoran septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 8 rated businesses.
Top 8 septic service companies in Corcoran at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pro Rooter & Septic - Visalia Plumbing | 57 | 4.4★ (53) | Visalia, 19 mi away | 24/7 | Overall |
| 2 | Tulare County Septic Tanks | 56 | 5.0★ (17) | Tulare, 14 mi away | Sat | Most reviews |
| 3 | PRS Plumber Tulare | 56 | 4.9★ (13) | Corcoran | 24/7 | Emergencies |
| 4 | Cor J Septic Pumping | 54 | 5.0★ (3) | California City, 16 mi away | 24/7 | — |
| 5 | R & R Tanks | 51 | 4.2★ (5) | Tulare, 19 mi away | Sat · Evenings | — |
| 6 | Bob Simon Septic Tank Pumping | 50 | 3.7★ (3) | Hanford, 18 mi away | — | — |
| 7 | Exterra Construction Inc | 50 | 5.0★ (7) | Porterville, 18 mi away | 24/7 | — |
| 8 | Pro Rooter & Septic | 46 | 3.5★ (8) | Visalia, 23 mi away | — | — |
The 8 best septic service companies in Corcoran, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Tulare, 14 mi away
56/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corcoran
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in California City, 16 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 R & R Tanks
Based in Tulare, 19 mi away
51/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.2★ 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 Hanford, 18 mi away
50/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Porterville, 18 mi away
50/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 7 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Visalia, 23 mi away
46/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.5★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
How we ranked Corcoran septic service companies
We scored 8 Corcoran 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 Corcoran 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 Corcoran: frequently asked questions
Who is the best septic service company in Corcoran?
By CR Score, the highest-ranked septic service company in Corcoran, CA is Pro Rooter & Septic - Visalia Plumbing with a CR Score of 57/100. It has 4.4★ from 53 Google reviews. It is open 24/7. Tulare County Septic Tanks (#2) and PRS Plumber Tulare (#3) follow. We ranked 8 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Corcoran?
ContractorsRanked ranks 8 septic service companies serving Corcoran, CA. 1 of them is based in Corcoran; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Corcoran are open 24/7?
4 ranked septic service companies in Corcoran post 24/7 hours. The highest-ranked are Pro Rooter & Septic - Visalia Plumbing (#1), PRS Plumber Tulare (#3) and Cor J Septic Pumping (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Corcoran work on weekends?
6 of 8 ranked septic service companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Pro Rooter & Septic - Visalia Plumbing (#1), Tulare County Septic Tanks (#2) and PRS Plumber Tulare (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Corcoran septic service companies have?
The median Google rating among 8 rated septic service companies in Corcoran is 4.7★, with a median of 8 reviews. Pro Rooter & Septic - Visalia Plumbing has the most, 53 reviews, and ranks #1. 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 Corcoran count in this ranking?
Yes, if they are within 25 mi of the Corcoran 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 Corcoran
- November 2026: CR Scores recalculated for 8 septic service companies serving Corcoran.
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