60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,562 Google reviews, the most in South El Monte.
Best Septic Service Companies in South El Monte, CA (2026)
142 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South El Monte: Western Rooter & Plumbing, CR Score 60/100; 4.9★ from 1,562 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Sewer Kingz Plumbing & Rooter, posts 24/7 hours; ranked #2 of 142.
- 6
Most-reviewed: Mr. Rooter Plumbing of Long Beach, 1,140 Google reviews at 4.9★, the most of 142 ranked after Western Rooter & Plumbing; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
142 South El Monte septic service companies are ranked here by CR Score, from ten published factors. 74 are open 24/7, 120 open Saturdays and 95 open Sundays, based on posted hours. The median Google rating is 4.9★ across 142 rated businesses.
Top 10 septic service companies in South El Monte at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Western Rooter & Plumbing | 60 | 4.9★ (1,562) | Arcadia, 6 mi away | 24/7 | Overall |
| 2 | Sewer Kingz Plumbing & Rooter | 60 | 5.0★ (33) | Monrovia, 7 mi away | 24/7 | Emergencies |
| 3 | I Love Sewers Rooter And Plumbing Sewer Specialties Inc | 59 | 4.9★ (200) | Hacienda Heights, 6 mi away | 24/7 | — |
| 4 | Drainiacs Sewer and Drain | 59 | 4.8★ (295) | Whittier, 7 mi away | 24/7 | — |
| 5 | High Speed Rooter & Plumbing | 58 | 4.8★ (362) | El Monte, 2 mi away | 24/7 | — |
| 6 | Mr. Rooter Plumbing of Long Beach | 58 | 4.9★ (1,140) | Long Beach, 14 mi away | 24/7 | Most reviews |
| 7 | EZ Sewers Rooter and Plumbing | 58 | 5.0★ (130) | Avocado Heights, 12 mi away | 24/7 | — |
| 8 | Jetters 'N' Drains Sewer & Pipe Lining Experts | 58 | 5.0★ (205) | Anaheim, 15 mi away | 24/7 | — |
| 9 | Hassle Free Plumbing | 57 | 4.9★ (266) | Monrovia, 7 mi away | 24/7 | — |
| 10 | SWE Sewer Solutions Construction & Engineering | 57 | 4.9★ (120) | Glendora, 12 mi away | 24/7 | — |
The 142 best septic service companies in South El Monte, 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 Monrovia, 7 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.
Based in Hacienda Heights, 6 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 200 Google reviews.
Based in Whittier, 7 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 295 Google reviews.
Based in El Monte, 2 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 362 Google reviews.
Based in Long Beach, 14 mi away
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 1,140 Google reviews.
Based in Avocado Heights, 12 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.
Based in Anaheim, 15 mi away
58/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 205 Google reviews.
Based in Monrovia, 7 mi away
57/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based in Glendora, 12 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Plumber”.
Based in Lancaster, 14 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 12 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Cerritos, 13 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Plumber”.
Based in La Habra, 11 mi away
56/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 661 Google reviews.
Based in Anaheim, 17 mi away
56/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 560 Google reviews.
Based in Costa Mesa, 24 mi away
56/100CR ScoreRanked #16 because of its Google rating and review volume: 4.7★ from 649 Google reviews.
Based in Signal Hill, 18 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Plumber”.
Based in Monterey Park, 5 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 123 Google reviews.
Based in Pasadena, 9 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 215 Google reviews.
Based in La Cañada Flintridge, 14 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in La Puente, 5 mi away
55/100CR ScoreRanked #21 because of its Google rating and review volume: 4.6★ from 166 Google reviews.
Based in Van Nuys, 20 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “Plumber”.
Based in Glendora, 12 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Plumber”.
#24 Reliable Septic
Based in Anaheim, 17 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Glendale, 14 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 50 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 142 ranked septic service companies here; the rest are on their profiles.
Also serving South El Monte
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 |
|---|---|---|
| Abel Real Plumbing | 5.0★ (1) | 19 mi |
| All Around Underground Contractors, Inc | 5.0★ (2) | 20 mi |
| Burbank Sewer Srevices | 5.0★ (2) | 19 mi |
| Coblentz Plumbing & Sewer Contractors | 5.0★ (1) | 19 mi |
| Dustin Plumbing, Drain & Sewer | 1.0★ (1) | 16 mi |
| Elite Rooter Los Angeles | 5.0★ (1) | 21 mi |
| Epd Consultants, Inc | 5.0★ (1) | 20 mi |
| GLPS Plumbing & Mechanical Srvs. | 5.0★ (1) | 2 mi |
| Hector TM Plumbing - Sewer Line Replacement, Water Heater Repair, Sewer Service & Plumbing Contractor | 5.0★ (1) | 21 mi |
| HUTCH & SON'S Rooter | 5.0★ (2) | 22 mi |
| Liz Septic | 5.0★ (2) | 25 mi |
| Los Angeles Septic Service & Drain Clean | 1.0★ (1) | 18 mi |
| Plumber Pasadena Sewer Cleaning | 5.0★ (1) | 8 mi |
| Plumbing Center Bonded Sewer Contractor | 5.0★ (1) | 21 mi |
| Reliant Septic Pumping | 1.0★ (1) | 16 mi |
| SEWER CAMERA INSPECTION | 5.0★ (1) | 12 mi |
| Sewer King | 5.0★ (1) | 20 mi |
| Tony's Rooter Service Sewer and Drain Paramedics | 5.0★ (1) | 5 mi |
| United Site Services | 5.0★ (1) | 8 mi |
| Xclusive Pipeline & Sewer | In South El Monte |
How we ranked South El Monte septic service companies
We scored 142 South El Monte 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 South El Monte 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 South El Monte: frequently asked questions
Who is the best septic service company in South El Monte?
By CR Score, the highest-ranked septic service company in South El Monte, CA is Western Rooter & Plumbing with a CR Score of 60/100. It has 4.9★ from 1,562 Google reviews. It is open 24/7. Sewer Kingz Plumbing & Rooter (#2) and I Love Sewers Rooter And Plumbing Sewer Specialties Inc (#3) follow. We ranked 142 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in South El Monte?
ContractorsRanked ranks 142 septic service companies serving South El Monte, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in South El Monte are open 24/7?
74 ranked septic service companies in South El Monte post 24/7 hours. The highest-ranked are Western Rooter & Plumbing (#1), Sewer Kingz Plumbing & Rooter (#2) and I Love Sewers Rooter And Plumbing Sewer Specialties Inc (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in South El Monte work on weekends?
120 of 142 ranked septic service companies post Saturday hours and 95 post Sunday hours. The highest-ranked open Saturdays are Western Rooter & Plumbing (#1), Sewer Kingz Plumbing & Rooter (#2) and I Love Sewers Rooter And Plumbing Sewer Specialties Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do South El Monte septic service companies have?
The median Google rating among 142 rated septic service companies in South El Monte is 4.9★, with a median of 26 reviews. Western Rooter & Plumbing has the most, 1,562 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 South El Monte count in this ranking?
Yes, if they are within 25 mi of the South El Monte 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 South El Monte
- November 2026: CR Scores recalculated for 142 septic service companies serving South El Monte.
- November 2026: 1 duplicate listing merged.
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