61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Duarte, CA (2026)
107 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Duarte: Sewer Kingz Plumbing & Rooter, CR Score 61/100; 5.0★ from 33 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Western Rooter & Plumbing, posts 24/7 hours; ranked #2 of 107.
- 12
Most-reviewed: Option One Plumbing, 3,017 Google reviews at 4.8★, the most of 107 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
107 Duarte septic service companies are ranked here by CR Score, from ten published factors. 61 are open 24/7, 91 open Saturdays and 75 open Sundays, based on posted hours. The median Google rating is 4.9★ across 107 rated businesses.
Top 10 septic service companies in Duarte at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sewer Kingz Plumbing & Rooter | 61 | 5.0★ (33) | Monrovia, 3 mi away | 24/7 | Overall |
| 2 | Western Rooter & Plumbing | 60 | 4.9★ (1,562) | Arcadia, 3 mi away | 24/7 | Emergencies |
| 3 | Hassle Free Plumbing | 58 | 4.9★ (266) | Monrovia, 1 mi away | 24/7 | — |
| 4 | I Love Sewers Rooter And Plumbing Sewer Specialties Inc | 58 | 4.9★ (200) | Hacienda Heights, 10 mi away | 24/7 | — |
| 5 | SWE Sewer Solutions Construction & Engineering | 58 | 4.9★ (120) | Glendora, 6 mi away | 24/7 | — |
| 6 | EZ Sewers Rooter and Plumbing | 57 | 5.0★ (130) | Avocado Heights, 11 mi away | 24/7 | — |
| 7 | Drainiacs Sewer and Drain | 57 | 4.8★ (295) | Whittier, 14 mi away | 24/7 | — |
| 8 | High Speed Rooter & Plumbing | 57 | 4.8★ (362) | El Monte, 6 mi away | 24/7 | — |
| 9 | Reliable Septic | 56 | 5.0★ (9) | Anaheim, 11 mi away | 24/7 | — |
| 10 | The Sewer Surgeon | 56 | 4.8★ (51) | Glendora, 6 mi away | 24/7 | — |
The 107 best septic service companies in Duarte, 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 Arcadia, 3 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 1,562 Google reviews.
Based in Monrovia, 1 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based in Hacienda Heights, 10 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 200 Google reviews, listed on Google as “Plumber”.
Based in Glendora, 6 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Plumber”.
Based in Avocado Heights, 11 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.
Based in Whittier, 14 mi away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 295 Google reviews.
Based in El Monte, 6 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 362 Google reviews.
Based in Anaheim, 11 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Glendora, 6 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Plumber”.
Based in Anaheim, 20 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 205 Google reviews, listed on Google as “Plumber”.
Based in Rancho Cucamonga, 23 mi away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Duarte.
Based in Los Angeles, 17 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Long Beach, 21 mi away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 1,140 Google reviews.
Based in La Cañada Flintridge, 14 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Lancaster, 20 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Ontario, 19 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Rancho Cucamonga, 20 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 756 Google reviews.
Based in Pasadena, 10 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “Plumber”.
Based in Cerritos, 20 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Plumber”.
Based in La Habra, 15 mi away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 661 Google reviews.
Based in Anaheim, 21 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 560 Google reviews.
Based in La Puente, 8 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 4.6★ from 166 Google reviews.
Based in Glendale, 16 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Plumber”.
Based in La Verne, 12 mi away
54/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 132 Google reviews.
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 107 ranked septic service companies here; the rest are on their profiles.
Also serving Duarte
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 |
|---|---|---|
| All Around Underground Contractors, Inc | 5.0★ (2) | 24 mi |
| Burbank Sewer Srevices | 5.0★ (2) | 21 mi |
| Coblentz Plumbing & Sewer Contractors | 5.0★ (1) | 24 mi |
| Discounted Rooter, West Covina CA | 7 mi | |
| Dustin Plumbing, Drain & Sewer | 1.0★ (1) | 23 mi |
| Eazy Plumbing and Rooter Sewer inspections | 11 mi | |
| GLPS Plumbing & Mechanical Srvs. | 5.0★ (1) | 6 mi |
| Grbcon, Inc. | 3 mi | |
| Liz Septic | 5.0★ (2) | 22 mi |
| Los Angeles Septic Service & Drain Clean | 1.0★ (1) | 22 mi |
| Plumber Pasadena Sewer Cleaning | 5.0★ (1) | 8 mi |
| Plumbing Buddies - Plumber, Tankless Water Heater Replacement & Water Heater Removal, Sewer Repair & Pipe Installation in Glendora, CA | 7 mi | |
| Pumped up | 7 mi | |
| Reliant Septic Pumping | 1.0★ (1) | 20 mi |
| SEWER CAMERA INSPECTION | 5.0★ (1) | 15 mi |
| Sewer King | 5.0★ (1) | 25 mi |
| Tony's Rooter Service Sewer and Drain Paramedics | 5.0★ (1) | 3 mi |
| United Site Services | 5.0★ (1) | 3 mi |
| United Site Services | 7 mi | |
| Xclusive Pipeline & Sewer | 8 mi |
How we ranked Duarte septic service companies
We scored 107 Duarte 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 Duarte 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 Duarte: frequently asked questions
Who is the best septic service company in Duarte?
By CR Score, the highest-ranked septic service company in Duarte, CA is Sewer Kingz Plumbing & Rooter with a CR Score of 61/100. It has 5.0★ from 33 Google reviews. It is open 24/7. Western Rooter & Plumbing (#2) and Hassle Free Plumbing (#3) follow. We ranked 107 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Duarte?
ContractorsRanked ranks 107 septic service companies serving Duarte, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Duarte are open 24/7?
61 ranked septic service companies in Duarte post 24/7 hours. The highest-ranked are Sewer Kingz Plumbing & Rooter (#1), Western Rooter & Plumbing (#2) and Hassle Free Plumbing (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Duarte work on weekends?
91 of 107 ranked septic service companies post Saturday hours and 75 post Sunday hours. The highest-ranked open Saturdays are Sewer Kingz Plumbing & Rooter (#1), Western Rooter & Plumbing (#2) and Hassle Free Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Duarte septic service companies have?
The median Google rating among 107 rated septic service companies in Duarte is 4.9★, with a median of 36 reviews. Option One Plumbing has the most, 3,017 reviews, and ranks #12. 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 Duarte count in this ranking?
Yes, if they are within 25 mi of the Duarte 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 Duarte
- November 2026: CR Scores recalculated for 107 septic service companies serving Duarte.
More septic service companies and Duarte pages
Septic service companies near Duarte
- Septic service companies in Monrovia, CA107 ranked
- Septic service companies in Arcadia, CA122 ranked
- Septic service companies in Baldwin Park, CA116 ranked
- Septic service companies in Azusa, CA104 ranked
- Septic service companies in Sierra Madre, CA116 ranked
- Septic service companies in Temple City, CA132 ranked
- Septic service companies in Citrus, CA101 ranked
- Septic service companies in West Covina, CA113 ranked
- Septic service companies in El Monte, CA135 ranked
- Septic service companies in Covina, CA103 ranked
Other trades in Duarte
- Roofers in Duarte2227 ranked
- Plumbers in Duarte1382 ranked
- Electricians in Duarte1002 ranked
- HVAC contractors in Duarte1477 ranked
- General contractors in Duarte1510 ranked
- Painters in Duarte161 ranked
- Landscapers in Duarte149 ranked
- Handymen in Duarte93 ranked
- Kitchen remodelers in Duarte723 ranked
- Bathroom remodelers in Duarte705 ranked
- Flooring contractors in Duarte564 ranked
- Tile installers in Duarte74 ranked
- Drywall contractors in Duarte21 ranked
- Concrete contractors in Duarte349 ranked
- Fence contractors in Duarte320 ranked
- Deck builders in Duarte146 ranked
- Siding contractors in Duarte127 ranked
- Window installers in Duarte785 ranked
- Gutter installers in Duarte200 ranked
- Insulation contractors in Duarte216 ranked
- Solar installers in Duarte755 ranked
- Garage door repair companies in Duarte277 ranked
- Foundation repair companies in Duarte256 ranked
- Tree services in Duarte305 ranked
- Masonry contractors in Duarte199 ranked
- Water damage restoration companies in Duarte1395 ranked
- Home builders in Duarte947 ranked
- Demolition contractors in Duarte151 ranked
- Window cleaners in Duarte78 ranked
- Pressure washing companies in Duarte92 ranked
- Pest control companies in Duarte496 ranked
- Paving contractors in Duarte224 ranked
- Auto glass repair shops in Duarte483 ranked
- Excavating contractors in Duarte60 ranked
- Pool builders in Duarte841 ranked
- All contractors in Duarte