59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Plumber”.
Best Septic Service Companies in Glendora, CA (2026)
93 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Glendora: SWE Sewer Solutions Construction & Engineering, CR Score 59/100; 4.9★ from 120 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Sewer Kingz Plumbing & Rooter, posts 24/7 hours; ranked #2 of 93.
- 8
Most-reviewed: Option One Plumbing, 3,017 Google reviews at 4.8★, the most of 93 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
93 Glendora septic service companies are ranked here by CR Score, from ten published factors. 56 are open 24/7, 80 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 4.9★ across 93 rated businesses.
Top 10 septic service companies in Glendora at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SWE Sewer Solutions Construction & Engineering | 59 | 4.9★ (120) | Glendora | 24/7 | Overall |
| 2 | Sewer Kingz Plumbing & Rooter | 59 | 5.0★ (33) | Monrovia, 9 mi away | 24/7 | Emergencies |
| 3 | Western Rooter & Plumbing | 59 | 4.9★ (1,562) | Arcadia, 9 mi away | 24/7 | — |
| 4 | EZ Sewers Rooter and Plumbing | 58 | 5.0★ (130) | Avocado Heights, 8 mi away | 24/7 | — |
| 5 | Reliable Septic | 58 | 5.0★ (9) | Anaheim, 5 mi away | 24/7 | — |
| 6 | The Sewer Surgeon | 58 | 4.8★ (51) | Glendora | 24/7 | — |
| 7 | I Love Sewers Rooter And Plumbing Sewer Specialties Inc | 57 | 4.9★ (200) | Hacienda Heights, 11 mi away | 24/7 | — |
| 8 | Option One Plumbing | 57 | 4.8★ (3,017) | Rancho Cucamonga, 17 mi away | 24/7 | Most reviews |
| 9 | Drainiacs Sewer and Drain | 56 | 4.8★ (295) | Whittier, 16 mi away | 24/7 | — |
| 10 | Quality Pumping Services Inc. | 56 | 5.0★ (11) | Ontario, 13 mi away | 24/7 | — |
The 93 best septic service companies in Glendora, 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, 9 mi away
59/100CR 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 Arcadia, 9 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 1,562 Google reviews.
Based in Avocado Heights, 8 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.
Based in Anaheim, 5 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Glendora
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Plumber”.
Based in Hacienda Heights, 11 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 200 Google reviews, listed on Google as “Plumber”.
Based in Rancho Cucamonga, 17 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Glendora.
Based in Whittier, 16 mi away
56/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 295 Google reviews.
Based in Ontario, 13 mi away
56/100CR ScoreRanked #10 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, 14 mi away
56/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 756 Google reviews.
Based in Monrovia, 8 mi away
56/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based in Jurupa Valley, 22 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Septic system service”.
Based in Anaheim, 19 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 205 Google reviews, listed on Google as “Plumber”.
Based in El Monte, 11 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 362 Google reviews.
Based in La Verne, 6 mi away
55/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 132 Google reviews.
Based in Fontana, 22 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Pomona, 9 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 131 Google reviews.
Based in Upland, 11 mi away
54/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 147 Google reviews.
Based in Long Beach, 24 mi away
54/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 1,140 Google reviews.
Based in Anaheim, 20 mi away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 560 Google reviews.
Based in Rancho Cucamonga, 17 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 354 Google reviews.
Based in Rancho Cucamonga, 17 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 219 Google reviews.
Based in La Habra, 16 mi away
54/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 661 Google reviews.
Based in Los Angeles, 23 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 13 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 93 ranked septic service companies here; the rest are on their profiles.
Also serving Glendora
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) | 23 mi |
| Discounted Rooter, West Covina CA | 6 mi | |
| Dustin Plumbing, Drain & Sewer | 1.0★ (1) | 24 mi |
| Eazy Plumbing and Rooter Sewer inspections | 5 mi | |
| GLPS Plumbing & Mechanical Srvs. | 5.0★ (1) | 10 mi |
| Grbcon, Inc. | 5 mi | |
| Liz Septic | 5.0★ (2) | 16 mi |
| Plumber Pasadena Sewer Cleaning | 5.0★ (1) | 15 mi |
| Plumbing Buddies - Plumber, Tankless Water Heater Replacement & Water Heater Removal, Sewer Repair & Pipe Installation in Glendora, CA | In Glendora | |
| Precision Sewer & Drain Inc. | 5 mi | |
| Renowned Plumbing & Rooter | 11 mi | |
| SEWER CAMERA INSPECTION | 5.0★ (1) | 21 mi |
| Sewer King | 5.0★ (1) | 24 mi |
| Sewertec | 5 mi | |
| Socal Sewer Plumbing Contractor INC | 12 mi | |
| Tony's Rooter Service Sewer and Drain Paramedics | 5.0★ (1) | 7 mi |
| United Site Services | 5.0★ (1) | 4 mi |
| United Site Services | 10 mi | |
| West Coast Environmental Services Inc. | 13 mi | |
| Xclusive Pipeline & Sewer | 13 mi |
How we ranked Glendora septic service companies
We scored 93 Glendora 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 Glendora 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 Glendora: frequently asked questions
Who is the best septic service company in Glendora?
By CR Score, the highest-ranked septic service company in Glendora, CA is SWE Sewer Solutions Construction & Engineering with a CR Score of 59/100. It has 4.9★ from 120 Google reviews. It is open 24/7. Sewer Kingz Plumbing & Rooter (#2) and Western Rooter & Plumbing (#3) follow. We ranked 93 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Glendora?
ContractorsRanked ranks 93 septic service companies serving Glendora, CA. 3 of them are based in Glendora; 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 Glendora are open 24/7?
56 ranked septic service companies in Glendora post 24/7 hours. The highest-ranked are SWE Sewer Solutions Construction & Engineering (#1), Sewer Kingz Plumbing & Rooter (#2) and Western Rooter & Plumbing (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Glendora work on weekends?
80 of 93 ranked septic service companies post Saturday hours and 67 post Sunday hours. The highest-ranked open Saturdays are SWE Sewer Solutions Construction & Engineering (#1), Sewer Kingz Plumbing & Rooter (#2) and Western Rooter & Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Glendora septic service companies have?
The median Google rating among 93 rated septic service companies in Glendora is 4.9★, with a median of 40 reviews. Option One Plumbing has the most, 3,017 reviews, and ranks #8. 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 Glendora count in this ranking?
Yes, if they are within 25 mi of the Glendora 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 Glendora
- November 2026: CR Scores recalculated for 93 septic service companies serving Glendora.
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