62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Castaic, CA (2026)
53 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Castaic: Sewer Man Septic Tank Pumping, CR Score 62/100; 4.8★ from 444 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Rooter Man Plumbing, posts 24/7 hours; ranked #2 of 53.
- 2
Most-reviewed: Rooter Man Plumbing, 1,341 Google reviews at 4.8★, the most of 53 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
53 Castaic septic service companies are ranked here by CR Score, from ten published factors. 32 are open 24/7, 49 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.8★ across 53 rated businesses.
Top 10 septic service companies in Castaic at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sewer Man Septic Tank Pumping | 62 | 4.8★ (444) | Los Angeles, 14 mi away | 24/7 | Overall |
| 2 | Rooter Man Plumbing | 58 | 4.8★ (1,341) | North Hills, 14 mi away | 24/7 | Emergencies, Most reviews |
| 3 | American Septic Works | 57 | 5.0★ (13) | Los Angeles, 10 mi away | 24/7 | — |
| 4 | Sewer Inspection Pros | 56 | 5.0★ (131) | Santa Clarita, 16 mi away | 24/7 | — |
| 5 | The Sewer Brothers Plumbing and Rooter - Top Rated Plumbers | 56 | 5.0★ (101) | Chatsworth, 17 mi away | 24/7 | — |
| 6 | Michael Penta Septic Tank Pumping | 55 | 5.0★ (31) | Los Angeles, 24 mi away | 24/7 | — |
| 7 | ETP: Enviro-Tech Pumping | 54 | 4.0★ (4) | Santa Clarita, 10 mi away | 24/7 | — |
| 8 | Andy's Plumbing & Drain Services | 54 | 5.0★ (118) | North Hollywood, 14 mi away | 24/7 | — |
| 9 | Panico Excavation & Sanitation | 54 | 3.7★ (9) | Valencia, 13 mi away | 24/7 | — |
| 10 | Team Rooter Plumbing | 54 | 4.7★ (665) | North Hills, 23 mi away | 24/7 | — |
The 53 best septic service companies in Castaic, 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 North Hills, 14 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 1,341 Google reviews, the most in Castaic.
Based in Los Angeles, 10 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Santa Clarita, 16 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Plumber”.
Based in Chatsworth, 17 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Plumber”.
Based in Los Angeles, 24 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Septic system service”.
Based in Santa Clarita, 10 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in North Hollywood, 14 mi away
54/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 118 Google reviews.
Based in Valencia, 13 mi away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in North Hills, 23 mi away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 4.7★ from 665 Google reviews.
#11 Bryco Plumbing
Based in Woodland Hills, 21 mi away
53/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 528 Google reviews.
Based in North Hills, 21 mi away
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley, 19 mi away
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Plumber”.
Based in Northridge, 19 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
Based in Encino, 23 mi away
52/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based in California City, 22 mi away
52/100CR ScoreRanked #16 because of its Google rating and review volume: 4.4★ from 625 Google reviews.
Based in Burbank, 24 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
#18 Free Flo Rooter
Based in Shadow Hills, 23 mi away
52/100CR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 229 Google reviews.
Based in Los Angeles, 23 mi away
52/100CR ScoreRanked #19 because of its Google rating and review volume: 4.5★ from 419 Google reviews.
Based in San Fernando, 18 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 1.8★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Lancaster, 24 mi away
51/100CR ScoreRanked #21 because of its Google rating and review volume: 4.7★ from 193 Google reviews.
Based in Northridge, 15 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.8★ from 17 Google reviews, listed on Google as “Septic system service”.
#23 Andy Gump
Based in Santa Clarita, 8 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 2.6★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 20 mi away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Van Nuys, 23 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Plumber”.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 53 ranked septic service companies here; the rest are on their profiles.
Also serving Castaic
6 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 |
|---|---|---|
| Deluxe Rooter Sewer & Drain | 5.0★ (2) | 19 mi |
| Downs Pumping Co | 5.0★ (1) | 15 mi |
| G.D. Robinson | 25 mi | |
| Golden State Plumbing, Inc. | 5.0★ (2) | 18 mi |
| Sewer Line Video Inspection Company Inc | 5.0★ (2) | 23 mi |
| Valley Sewer | 5.0★ (1) | 19 mi |
How we ranked Castaic septic service companies
We scored 53 Castaic 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 Castaic 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 Castaic: frequently asked questions
Who is the best septic service company in Castaic?
By CR Score, the highest-ranked septic service company in Castaic, CA is Sewer Man Septic Tank Pumping with a CR Score of 62/100. It has 4.8★ from 444 Google reviews. It is open 24/7. Rooter Man Plumbing (#2) and American Septic Works (#3) follow. We ranked 53 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Castaic?
ContractorsRanked ranks 53 septic service companies serving Castaic, CA. Another 6 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Castaic are open 24/7?
32 ranked septic service companies in Castaic post 24/7 hours. The highest-ranked are Sewer Man Septic Tank Pumping (#1), Rooter Man Plumbing (#2) and American Septic Works (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Castaic work on weekends?
49 of 53 ranked septic service companies post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are Sewer Man Septic Tank Pumping (#1), Rooter Man Plumbing (#2) and American Septic Works (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Castaic septic service companies have?
The median Google rating among 53 rated septic service companies in Castaic is 4.8★, with a median of 36 reviews. Rooter Man Plumbing has the most, 1,341 reviews, and ranks #2. 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 Castaic count in this ranking?
Yes, if they are within 25 mi of the Castaic 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 Castaic
- November 2026: CR Scores recalculated for 53 septic service companies serving Castaic.
More septic service companies and Castaic pages
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