61/100CR 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 Simi Valley, CA (2026)
72 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Simi Valley: Sewer Man Septic Tank Pumping, CR Score 61/100; 4.8★ from 444 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Michael Penta Septic Tank Pumping, posts 24/7 hours; ranked #2 of 72.
- 6
Most-reviewed: Rooter Man Plumbing, 1,341 Google reviews at 4.8★, the most of 72 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
72 Simi Valley septic service companies are ranked here by CR Score, from ten published factors. 37 are open 24/7, 59 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 4.9★ across 72 rated businesses.
Top 10 septic service companies in Simi Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sewer Man Septic Tank Pumping | 61 | 4.8★ (444) | Los Angeles, 17 mi away | 24/7 | Overall |
| 2 | Michael Penta Septic Tank Pumping | 59 | 5.0★ (31) | Los Angeles, 10 mi away | 24/7 | Emergencies |
| 3 | Sewer Scope Pros of San Fernando Valley | 57 | 5.0★ (58) | Simi Valley | Sat · Sun · Evenings | — |
| 4 | Septic Tank Pumping SNL | 57 | 5.0★ (10) | Thousand Oaks, 8 mi away | 24/7 | — |
| 5 | The Sewer Brothers Plumbing and Rooter - Top Rated Plumbers | 57 | 5.0★ (101) | Chatsworth, 11 mi away | 24/7 | — |
| 6 | Rooter Man Plumbing | 57 | 4.8★ (1,341) | North Hills, 17 mi away | 24/7 | Most reviews |
| 7 | Bryco Plumbing | 56 | 4.9★ (528) | Woodland Hills, 11 mi away | 24/7 | — |
| 8 | Advanced Sanitation | 56 | 4.9★ (125) | Oxnard, 12 mi away | — | — |
| 9 | Septic Services of LA | 56 | 5.0★ (4) | Westlake Village, 9 mi away | 24/7 | — |
| 10 | Andy's Plumbing & Drain Services | 55 | 5.0★ (118) | North Hollywood, 11 mi away | 24/7 | — |
The 72 best septic service companies in Simi Valley, 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 Los Angeles, 10 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Septic system service”.
Based in Simi Valley
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Plumber”.
Based in Thousand Oaks, 8 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Chatsworth, 11 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Plumber”.
Based in North Hills, 17 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 1,341 Google reviews, the most in Simi Valley.
Based in Woodland Hills, 11 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 528 Google reviews.
Based in Oxnard, 12 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “Septic system service”.
Based in Westlake Village, 9 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in North Hollywood, 11 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 118 Google reviews.
#11 Red Hat Plumbing
Based in Sherman Oaks, 22 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 479 Google reviews.
#12 CRC Plumbing
Based in Thousand Oaks, 7 mi away
54/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 54 Google reviews.
Based in Encino, 16 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
#15 THE DRAIN CO.
Based in North Hills, 24 mi away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 434 Google reviews.
Based in Camarillo, 14 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 354 Google reviews.
Based in Northridge, 14 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
Based in North Hills, 23 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 4.7★ from 665 Google reviews.
Based in North Hills, 20 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Plumber”.
Based in Oxnard, 23 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Plumber”.
Based in Ventura, 24 mi away
53/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 222 Google reviews.
Based in Santa Clarita, 17 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 20 mi away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 4.5★ from 419 Google reviews.
Based in Calabasas, 10 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
#25 Topanga Septic
Based in Los Angeles, 12 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Septic system service”.
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 72 ranked septic service companies here; the rest are on their profiles.
Also serving Simi Valley
20 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&B Malibu Plumbing, Heating & Electrical | 16 mi | |
| CE Baker Septic Systems | 5.0★ (1) | 22 mi |
| Darrell Roy Enterprises Inc. / Michael Roy | 18 mi | |
| Deluxe Rooter Sewer & Drain | 5.0★ (2) | 20 mi |
| Drain Doctors San Diego | In Simi Valley | |
| Flex Sanitation | 8 mi | |
| G.D. Robinson | 7 mi | |
| Golden State Plumbing, Inc. | 5.0★ (2) | 19 mi |
| James Plumbing Company | In Simi Valley | |
| Malibu Septic, Inc. | 18 mi | |
| McDermott Plumbing & Pumping | 15 mi | |
| Michael Shute Plumbing and Sewer | 24 mi | |
| Pacific Materials Laboratory, Inc. | 18 mi | |
| Pronto Plumbing & Septic | 23 mi | |
| Septic Tank Pumping | Grease Trap Pumping | 5.0★ (1) | 15 mi |
| Sewer Flow Plumbing | 1.0★ (1) | 20 mi |
| Sewer Line Video Inspection Company Inc | 5.0★ (2) | 9 mi |
| Sewer Spy | 10 mi | |
| Topanga Soils and Septic | 5.0★ (1) | 21 mi |
| Valley Sewer | 5.0★ (1) | 16 mi |
How we ranked Simi Valley septic service companies
We scored 72 Simi Valley 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 Simi Valley 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 Simi Valley: frequently asked questions
Who is the best septic service company in Simi Valley?
By CR Score, the highest-ranked septic service company in Simi Valley, CA is Sewer Man Septic Tank Pumping with a CR Score of 61/100. It has 4.8★ from 444 Google reviews. It is open 24/7. Michael Penta Septic Tank Pumping (#2) and Sewer Scope Pros of San Fernando Valley (#3) follow. We ranked 72 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Simi Valley?
ContractorsRanked ranks 72 septic service companies serving Simi Valley, CA. 3 of them are based in Simi Valley; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Simi Valley are open 24/7?
37 ranked septic service companies in Simi Valley post 24/7 hours. The highest-ranked are Sewer Man Septic Tank Pumping (#1), Michael Penta Septic Tank Pumping (#2) and Septic Tank Pumping SNL (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Simi Valley work on weekends?
59 of 72 ranked septic service companies post Saturday hours and 42 post Sunday hours. The highest-ranked open Saturdays are Sewer Man Septic Tank Pumping (#1), Michael Penta Septic Tank Pumping (#2) and Sewer Scope Pros of San Fernando Valley (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Simi Valley septic service companies have?
The median Google rating among 72 rated septic service companies in Simi Valley is 4.9★, with a median of 27 reviews. Rooter Man Plumbing has the most, 1,341 reviews, and ranks #6. 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 Simi Valley count in this ranking?
Yes, if they are within 25 mi of the Simi Valley 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 Simi Valley
- November 2026: CR Scores recalculated for 72 septic service companies serving Simi Valley.
More septic service companies and Simi Valley pages
Septic service companies near Simi Valley
- Septic service companies in Moorpark, CA58 ranked
- Septic service companies in Oak Park, CA76 ranked
- Septic service companies in Thousand Oaks, CA66 ranked
- Septic service companies in Agoura, CA78 ranked
- Septic service companies in Agoura Hills, CA78 ranked
- Septic service companies in West Hills, CA83 ranked
- Septic service companies in Chatsworth, CA83 ranked
- Septic service companies in Calabasas, CA86 ranked
- Septic service companies in Canoga Park, CA82 ranked
- Septic service companies in Fillmore, CA46 ranked
Other trades in Simi Valley
- Roofers in Simi Valley1288 ranked
- Plumbers in Simi Valley644 ranked
- Electricians in Simi Valley455 ranked
- HVAC contractors in Simi Valley791 ranked
- General contractors in Simi Valley989 ranked
- Painters in Simi Valley126 ranked
- Landscapers in Simi Valley134 ranked
- Handymen in Simi Valley77 ranked
- Kitchen remodelers in Simi Valley556 ranked
- Bathroom remodelers in Simi Valley508 ranked
- Flooring contractors in Simi Valley283 ranked
- Tile installers in Simi Valley57 ranked
- Drywall contractors in Simi Valley16 ranked
- Concrete contractors in Simi Valley237 ranked
- Fence contractors in Simi Valley202 ranked
- Deck builders in Simi Valley107 ranked
- Siding contractors in Simi Valley56 ranked
- Window installers in Simi Valley355 ranked
- Gutter installers in Simi Valley132 ranked
- Insulation contractors in Simi Valley118 ranked
- Solar installers in Simi Valley391 ranked
- Garage door repair companies in Simi Valley191 ranked
- Foundation repair companies in Simi Valley145 ranked
- Tree services in Simi Valley160 ranked
- Masonry contractors in Simi Valley147 ranked
- Water damage restoration companies in Simi Valley731 ranked
- Home builders in Simi Valley560 ranked
- Demolition contractors in Simi Valley70 ranked
- Window cleaners in Simi Valley98 ranked
- Pressure washing companies in Simi Valley68 ranked
- Pest control companies in Simi Valley258 ranked
- Paving contractors in Simi Valley137 ranked
- Auto glass repair shops in Simi Valley187 ranked
- Excavating contractors in Simi Valley29 ranked
- Pool builders in Simi Valley420 ranked
- All contractors in Simi Valley