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 Oak Park, CA (2026)
76 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oak Park: 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 76.
- 6
Most-reviewed: Rooter Man Plumbing, 1,341 Google reviews at 4.8★, the most of 76 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
76 Oak Park septic service companies are ranked here by CR Score, from ten published factors. 39 are open 24/7, 62 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.9★ across 76 rated businesses.
Top 10 septic service companies in Oak Park 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, 19 mi away | 24/7 | Overall |
| 2 | Michael Penta Septic Tank Pumping | 60 | 5.0★ (31) | Los Angeles, 6 mi away | 24/7 | Emergencies |
| 3 | Septic Tank Pumping SNL | 58 | 5.0★ (10) | Thousand Oaks, 6 mi away | 24/7 | — |
| 4 | The Sewer Brothers Plumbing and Rooter - Top Rated Plumbers | 57 | 5.0★ (101) | Chatsworth, 11 mi away | 24/7 | — |
| 5 | Septic Services of LA | 57 | 5.0★ (4) | Westlake Village, 3 mi away | 24/7 | — |
| 6 | Rooter Man Plumbing | 57 | 4.8★ (1,341) | North Hills, 19 mi away | 24/7 | Most reviews |
| 7 | Bryco Plumbing | 57 | 4.9★ (528) | Woodland Hills, 8 mi away | 24/7 | — |
| 8 | Advanced Sanitation | 55 | 4.9★ (125) | Oxnard, 14 mi away | — | — |
| 9 | Red Hat Plumbing | 55 | 4.9★ (479) | Sherman Oaks, 19 mi away | 24/7 | — |
| 10 | Sewer Scope Pros of San Fernando Valley | 55 | 5.0★ (58) | Simi Valley, 10 mi away | Sat · Sun · Evenings | — |
The 76 best septic service companies in Oak Park, 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, 6 mi away
60/100CR 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 Thousand Oaks, 6 mi away
58/100CR ScoreRanked #3 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 #4 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Plumber”.
Based in Westlake Village, 3 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in North Hills, 19 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 1,341 Google reviews, the most in Oak Park.
Based in Woodland Hills, 8 mi away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 528 Google reviews.
Based in Oxnard, 14 mi away
55/100CR 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 Sherman Oaks, 19 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 479 Google reviews.
Based in Simi Valley, 10 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Plumber”.
Based in North Hollywood, 12 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 118 Google reviews.
Based in Encino, 14 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based in Van Nuys, 23 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “Plumber”.
#14 THE DRAIN CO.
Based in North Hills, 21 mi away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 434 Google reviews.
Based in Calabasas, 4 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Northridge, 13 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
#17 CRC Plumbing
Based in Thousand Oaks, 8 mi away
54/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 54 Google reviews.
Based in North Hills, 22 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 4.7★ from 665 Google reviews.
Based in Camarillo, 14 mi away
54/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 354 Google reviews.
Based in North Hills, 19 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Plumber”.
#21 Topanga Septic
Based in Los Angeles, 9 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Oxnard, 23 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Plumber”.
Based in Encino, 10 mi away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based in Los Angeles, 18 mi away
53/100CR ScoreRanked #24 because of its Google rating and review volume: 4.5★ from 419 Google reviews.
Based in Burbank, 22 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 41 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 76 ranked septic service companies here; the rest are on their profiles.
Also serving Oak Park
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 | 9 mi | |
| Anytime plumbing and sewer | 5.0★ (1) | 23 mi |
| Burbank Sewer Srevices | 5.0★ (2) | 24 mi |
| CE Baker Septic Systems | 5.0★ (1) | 24 mi |
| Deluxe Rooter Sewer & Drain | 5.0★ (2) | 20 mi |
| Elite Rooter Los Angeles | 5.0★ (1) | 23 mi |
| Flex Sanitation | 7 mi | |
| G.D. Robinson | 6 mi | |
| Golden State Plumbing, Inc. | 5.0★ (2) | 19 mi |
| Hector TM Plumbing - Sewer Line Replacement, Water Heater Repair, Sewer Service & Plumbing Contractor | 5.0★ (1) | 24 mi |
| HUTCH & SON'S Rooter | 5.0★ (2) | 23 mi |
| Los Angeles Septic Service & Drain Clean | 1.0★ (1) | 25 mi |
| McDermott Plumbing & Pumping | 9 mi | |
| Plumbing Center Bonded Sewer Contractor | 5.0★ (1) | 23 mi |
| Septic Tank Pumping | Grease Trap Pumping | 5.0★ (1) | 8 mi |
| Sewer Flow Plumbing | 1.0★ (1) | 16 mi |
| Sewer Line Video Inspection Company Inc | 5.0★ (2) | 4 mi |
| SewerConnect Co. | 5.0★ (1) | 23 mi |
| Topanga Soils and Septic | 5.0★ (1) | 15 mi |
| Valley Sewer | 5.0★ (1) | 15 mi |
How we ranked Oak Park septic service companies
We scored 76 Oak Park 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 Oak Park 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 Oak Park: frequently asked questions
Who is the best septic service company in Oak Park?
By CR Score, the highest-ranked septic service company in Oak Park, 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 Septic Tank Pumping SNL (#3) follow. We ranked 76 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Oak Park?
ContractorsRanked ranks 76 septic service companies serving Oak Park, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Oak Park are open 24/7?
39 ranked septic service companies in Oak Park 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 (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Oak Park work on weekends?
62 of 76 ranked septic service companies post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Sewer Man Septic Tank Pumping (#1), Michael Penta Septic Tank Pumping (#2) and Septic Tank Pumping SNL (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Oak Park septic service companies have?
The median Google rating among 76 rated septic service companies in Oak Park is 4.9★, with a median of 23 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 Oak Park count in this ranking?
Yes, if they are within 25 mi of the Oak Park 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 Oak Park
- November 2026: CR Scores recalculated for 76 septic service companies serving Oak Park.
More septic service companies and Oak Park pages
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