62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 243 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Anderson, CA (2026)
14 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Anderson: Welch Enterprises - Redding Septic Pumping, CR Score 62/100; 5.0★ from 243 Google reviews; open Saturdays until 12 PM.
- 2
Best for emergencies (open 24/7): CNC Pumps, posts 24/7 hours; ranked #2 of 14.
- 4
Most-reviewed: Axner Excavating Inc., 310 Google reviews at 4.6★, the most of 14 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Anderson septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 7 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.
Top 10 septic service companies in Anderson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Welch Enterprises - Redding Septic Pumping | 62 | 5.0★ (243) | Redding, 9 mi away | Sat | Overall |
| 2 | CNC Pumps | 62 | 4.8★ (51) | Redding, 5 mi away | 24/7 | Emergencies |
| 3 | Shasta County Septic Services | 59 | 5.0★ (125) | Redding, 12 mi away | — | — |
| 4 | Axner Excavating Inc. | 57 | 4.6★ (310) | Redding, 8 mi away | Sat · Sun | Most reviews |
| 5 | Big Valley Sanitation | 57 | 4.3★ (38) | Anderson | — | — |
| 6 | Pieper Pumping & Septic | 55 | 4.7★ (15) | Red Bluff, 23 mi away | 24/7 | — |
| 7 | All star plumbing | 54 | 5.0★ (10) | Red Bluff, 19 mi away | 24/7 | — |
| 8 | Lee One Construction | 53 | 5.0★ (28) | Redding, 13 mi away | 24/7 | — |
| 9 | All-Star Plumbing | 52 | 4.9★ (28) | Red Bluff, 19 mi away | 24/7 | — |
| 10 | Davis Excavating Inc. | 51 | 5.0★ (25) | Anderson | — | — |
The 14 best septic service companies in Anderson, 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.
#2 CNC Pumps
Based in Redding, 5 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Redding, 12 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “Septic system service”.
Based in Redding, 8 mi away
57/100CR ScoreRanked #4 because of its Google rating and review volume: 4.6★ from 310 Google reviews, the most in Anderson.
Based in Anderson
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.3★ from 38 Google reviews, listed on Google as “Septic system service”.
Based in Red Bluff, 23 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Red Bluff, 19 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Redding, 13 mi away
53/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 28 Google reviews.
Based in Red Bluff, 19 mi away
52/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 28 Google reviews.
Based in Anderson
51/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 25 Google reviews.
Based in Anderson
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based in Redding, 6 mi away
49/100CR ScoreRanked #12 because of its Google rating and review volume: 4.4★ from 27 Google reviews.
Based in Redding, 10 mi away
45/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Construction company”.
Based in Red Bluff, 18 mi away
44/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Plumber”.
Also serving Anderson
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 |
|---|---|---|
| Brown Plumbing | 9 mi | |
| Custom Plumbing - Redding Plumber | 8 mi | |
| Derek Lindeman Engineering | 22 mi | |
| Earl's Performance Plumbing | 6 mi | |
| JYH Septic & Portable | 5.0★ (1) | 23 mi |
| Madrid Construction | 19 mi | |
| Mr. Rooter Plumbing of Shasta County | 13 mi | |
| Pieper Construction, Inc. | 5.0★ (2) | 23 mi |
| Rooter Scooter Sewer & Drain Service | 20 mi | |
| Roto-Rooter Plumbers | 3 mi | |
| Steve Beaton Plumbing Inc | 6 mi | |
| Twyman Plumbing and Electric | 9 mi |
How we ranked Anderson septic service companies
We scored 14 Anderson 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 Anderson 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 Anderson: frequently asked questions
Who is the best septic service company in Anderson?
By CR Score, the highest-ranked septic service company in Anderson, CA is Welch Enterprises - Redding Septic Pumping with a CR Score of 62/100. It has 5.0★ from 243 Google reviews. It is open Saturdays until 12 PM. CNC Pumps (#2) and Shasta County Septic Services (#3) follow. We ranked 14 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Anderson?
ContractorsRanked ranks 14 septic service companies serving Anderson, CA. 3 of them are based in Anderson; 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 Anderson are open 24/7?
5 ranked septic service companies in Anderson post 24/7 hours. The highest-ranked are CNC Pumps (#2), Pieper Pumping & Septic (#6) and All star plumbing (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Anderson work on weekends?
7 of 14 ranked septic service companies post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Welch Enterprises - Redding Septic Pumping (#1), CNC Pumps (#2) and Axner Excavating Inc. (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Anderson septic service companies have?
The median Google rating among 14 rated septic service companies in Anderson is 4.8★, with a median of 28 reviews. Axner Excavating Inc. has the most, 310 reviews, and ranks #4. 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 Anderson count in this ranking?
Yes, if they are within 25 mi of the Anderson 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 Anderson
- November 2026: CR Scores recalculated for 14 septic service companies serving Anderson.
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