59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Claremont.
Best Septic Service Companies in Claremont, CA (2026)
106 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Claremont: Option One Plumbing, CR Score 59/100; 4.8★ from 3,017 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Quality Pumping Services Inc., posts 24/7 hours; ranked #2 of 106.
- 12
Most-reviewed: Western Rooter & Plumbing, 1,562 Google reviews at 4.9★, the most of 106 ranked after Option One Plumbing; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
106 Claremont septic service companies are ranked here by CR Score, from ten published factors. 63 are open 24/7, 86 open Saturdays and 70 open Sundays, based on posted hours. The median Google rating is 4.9★ across 106 rated businesses.
Top 10 septic service companies in Claremont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Option One Plumbing | 59 | 4.8★ (3,017) | Rancho Cucamonga, 9 mi away | 24/7 | Overall |
| 2 | Quality Pumping Services Inc. | 58 | 5.0★ (11) | Ontario, 4 mi away | 24/7 | Emergencies |
| 3 | Scott McLeod Plumbing, Inc. | 58 | 4.9★ (756) | Rancho Cucamonga, 5 mi away | 24/7 | — |
| 4 | Urgent Septic Solutions | 58 | 5.0★ (80) | Los Angeles, 18 mi away | 24/7 | — |
| 5 | Countywide Septic Pumping LLC | 58 | 4.5★ (120) | Jurupa Valley, 13 mi away | 24/7 | — |
| 6 | EZ Sewers Rooter and Plumbing | 58 | 5.0★ (130) | Avocado Heights, 9 mi away | 24/7 | — |
| 7 | Reliable Septic | 57 | 5.0★ (9) | Anaheim, 6 mi away | 24/7 | — |
| 8 | SWE Sewer Solutions Construction & Engineering | 57 | 4.9★ (120) | Glendora, 9 mi away | 24/7 | — |
| 9 | Aaa septic pumping | 57 | 4.6★ (45) | Fontana, 14 mi away | 24/7 | — |
| 10 | Sewer Kingz Plumbing & Rooter | 57 | 5.0★ (33) | Monrovia, 18 mi away | 24/7 | — |
The 106 best septic service companies in Claremont, 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 Ontario, 4 mi away
58/100CR ScoreRanked #2 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, 5 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 756 Google reviews.
Based in Los Angeles, 18 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Septic system service”.
Based in Jurupa Valley, 13 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Septic system service”.
Based in Avocado Heights, 9 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.
Based in Anaheim, 6 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Glendora, 9 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Plumber”.
Based in Fontana, 14 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Monrovia, 18 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.
Based in Upland, 3 mi away
56/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 147 Google reviews.
Based in Arcadia, 18 mi away
56/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 1,562 Google reviews.
Based in Rancho Cucamonga, 9 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 354 Google reviews.
Based in Hacienda Heights, 16 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 200 Google reviews, listed on Google as “Plumber”.
Based in Rancho Cucamonga, 9 mi away
56/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 219 Google reviews.
Based in Pomona, 3 mi away
56/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 131 Google reviews.
Based in Anaheim, 20 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 205 Google reviews, listed on Google as “Plumber”.
Based in La Verne, 4 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 132 Google reviews.
Based in Fontana, 14 mi away
55/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 588 Google reviews.
Based in Glendora, 9 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Plumber”.
Based in Whittier, 20 mi away
55/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 295 Google reviews.
Based in Rancho Cucamonga, 7 mi away
55/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 220 Google reviews.
Based in Bloomington, 18 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Azusa, 19 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Plumber”.
Based in Colton, 22 mi away
54/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 1,351 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 106 ranked septic service companies here; the rest are on their profiles.
Also serving Claremont
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) | 22 mi |
| Carlos Sewer Services | 8 mi | |
| DP Plumbing & Sewer INC | 7 mi | |
| Eazy Plumbing and Rooter Sewer inspections | 6 mi | |
| GLPS Plumbing & Mechanical Srvs. | 5.0★ (1) | 17 mi |
| Liz Septic | 5.0★ (2) | 8 mi |
| Mg plumbing and septic repair Llc | 5.0★ (2) | 20 mi |
| Penny Plumbing | 5 mi | |
| Plumber Pasadena Sewer Cleaning | 5.0★ (1) | 23 mi |
| Plumbing Buddies - Plumber, Tankless Water Heater Replacement & Water Heater Removal, Sewer Repair & Pipe Installation in Glendora, CA | 8 mi | |
| Precision Sewer & Drain Inc. | 6 mi | |
| Quality Pumping Services inc. | 5.0★ (2) | 19 mi |
| Renowned Plumbing & Rooter | 2 mi | |
| S.S. Construction and Pumping | 8 mi | |
| Sewer King | 5.0★ (1) | 23 mi |
| Sewertec | 6 mi | |
| Socal Sewer Plumbing Contractor INC | 4 mi | |
| Tony's Rooter Service Sewer and Drain Paramedics | 5.0★ (1) | 14 mi |
| United Site Services | 5.0★ (1) | 12 mi |
| West Coast Environmental Services Inc. | 4 mi |
How we ranked Claremont septic service companies
We scored 106 Claremont 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 Claremont 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 Claremont: frequently asked questions
Who is the best septic service company in Claremont?
By CR Score, the highest-ranked septic service company in Claremont, CA is Option One Plumbing with a CR Score of 59/100. It has 4.8★ from 3,017 Google reviews. It is open 24/7. Quality Pumping Services Inc. (#2) and Scott McLeod Plumbing, Inc. (#3) follow. We ranked 106 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Claremont?
ContractorsRanked ranks 106 septic service companies serving Claremont, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Claremont are open 24/7?
63 ranked septic service companies in Claremont post 24/7 hours. The highest-ranked are Option One Plumbing (#1), Quality Pumping Services Inc. (#2) and Scott McLeod Plumbing, Inc. (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Claremont work on weekends?
86 of 106 ranked septic service companies post Saturday hours and 70 post Sunday hours. The highest-ranked open Saturdays are Option One Plumbing (#1), Quality Pumping Services Inc. (#2) and Scott McLeod Plumbing, Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Claremont septic service companies have?
The median Google rating among 106 rated septic service companies in Claremont is 4.9★, with a median of 47 reviews. Option One Plumbing has the most, 3,017 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 Claremont count in this ranking?
Yes, if they are within 25 mi of the Claremont 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 Claremont
- November 2026: CR Scores recalculated for 106 septic service companies serving Claremont.
More septic service companies and Claremont pages
Septic service companies near Claremont
- Septic service companies in Montclair, CA105 ranked
- Septic service companies in La Verne, CA106 ranked
- Septic service companies in Pomona, CA115 ranked
- Septic service companies in Upland, CA112 ranked
- Septic service companies in Ontario, CA113 ranked
- Septic service companies in San Dimas, CA101 ranked
- Septic service companies in Chino, CA120 ranked
- Septic service companies in Diamond Bar, CA118 ranked
- Septic service companies in Rancho Cucamonga, CA108 ranked
- Septic service companies in Chino Hills, CA125 ranked
Other trades in Claremont
- Roofers in Claremont1805 ranked
- Plumbers in Claremont1028 ranked
- Electricians in Claremont664 ranked
- HVAC contractors in Claremont1093 ranked
- General contractors in Claremont977 ranked
- Painters in Claremont148 ranked
- Landscapers in Claremont174 ranked
- Handymen in Claremont85 ranked
- Kitchen remodelers in Claremont486 ranked
- Bathroom remodelers in Claremont488 ranked
- Flooring contractors in Claremont433 ranked
- Tile installers in Claremont60 ranked
- Drywall contractors in Claremont24 ranked
- Concrete contractors in Claremont333 ranked
- Fence contractors in Claremont228 ranked
- Deck builders in Claremont112 ranked
- Siding contractors in Claremont110 ranked
- Window installers in Claremont720 ranked
- Gutter installers in Claremont147 ranked
- Insulation contractors in Claremont149 ranked
- Solar installers in Claremont662 ranked
- Garage door repair companies in Claremont215 ranked
- Foundation repair companies in Claremont198 ranked
- Tree services in Claremont299 ranked
- Masonry contractors in Claremont175 ranked
- Water damage restoration companies in Claremont1237 ranked
- Home builders in Claremont754 ranked
- Demolition contractors in Claremont118 ranked
- Window cleaners in Claremont80 ranked
- Pressure washing companies in Claremont86 ranked
- Pest control companies in Claremont388 ranked
- Paving contractors in Claremont202 ranked
- Auto glass repair shops in Claremont337 ranked
- Excavating contractors in Claremont55 ranked
- Pool builders in Claremont725 ranked
- All contractors in Claremont