61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Norco, CA (2026)
128 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norco: Urgent Septic Solutions, CR Score 61/100; 5.0★ from 80 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Countywide Septic Pumping LLC, posts 24/7 hours; ranked #2 of 128.
- 4
Most-reviewed: Option One Plumbing, 3,017 Google reviews at 4.8★, the most of 128 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
128 Norco septic service companies are ranked here by CR Score, from ten published factors. 74 are open 24/7, 106 open Saturdays and 84 open Sundays, based on posted hours. The median Google rating is 4.9★ across 128 rated businesses.
Top 10 septic service companies in Norco at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Urgent Septic Solutions | 61 | 5.0★ (80) | Los Angeles, 6 mi away | 24/7 | Overall |
| 2 | Countywide Septic Pumping LLC | 60 | 4.5★ (120) | Jurupa Valley, 4 mi away | 24/7 | Emergencies |
| 3 | On Site Septic & Grease Pumping | 59 | 4.9★ (72) | Riverside, 15 mi away | 24/7 | — |
| 4 | Option One Plumbing | 58 | 4.8★ (3,017) | Rancho Cucamonga, 12 mi away | 24/7 | Most reviews |
| 5 | J G Plumbing and Sewer Inc | 58 | 5.0★ (93) | Azusa, 6 mi away | 24/7 | — |
| 6 | Aaa septic pumping | 58 | 4.6★ (45) | Fontana, 12 mi away | 24/7 | — |
| 7 | Liberty Septic Services | 57 | 5.0★ (12) | Los Angeles, 8 mi away | 24/7 | — |
| 8 | Rbc septic services | 57 | 5.0★ (11) | Los Angeles, 9 mi away | 24/7 | — |
| 9 | Applied Plumbing and Rooter, Inc | 57 | 5.0★ (80) | Irvine, 24 mi away | 24/7 | — |
| 10 | Mr. Rooter Plumbing of Riverside | 57 | 4.8★ (433) | Riverside, 6 mi away | 24/7 | — |
The 128 best septic service companies in Norco, 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 Jurupa Valley, 4 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Septic system service”.
Based in Riverside, 15 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Septic system service”.
Based in Rancho Cucamonga, 12 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Norco.
Based in Azusa, 6 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Plumber”.
Based in Fontana, 12 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 8 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 9 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Irvine, 24 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Septic system service”.
Based in Riverside, 6 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 433 Google reviews.
#11 R.G Pumping Inc.
Based in Corona, 7 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Corona, 5 mi away
57/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 316 Google reviews.
Based in Rancho Cucamonga, 13 mi away
57/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 756 Google reviews.
Based in Ontario, 11 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Los Angeles, 10 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Septic system service”.
Based in Bloomington, 12 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Colton, 16 mi away
56/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 1,351 Google reviews.
Based in Menifee, 21 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.
Based in Riverside, 6 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 219 Google reviews.
Based in Rancho Cucamonga, 12 mi away
56/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 354 Google reviews.
Based in Irvine, 22 mi away
56/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 1,912 Google reviews.
Based in Riverside, 16 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Lake Elsinore, 21 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 231 Google reviews, listed on Google as “Septic system service”.
Based in Anaheim, 21 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 205 Google reviews, listed on Google as “Plumber”.
Based in Rancho Cucamonga, 11 mi away
55/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 219 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 128 ranked septic service companies here; the rest are on their profiles.
Also serving Norco
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) | 20 mi |
| Carlos Sewer Services | 10 mi | |
| DP Plumbing & Sewer INC | 10 mi | |
| Frank's Pumping | 1.0★ (1) | 11 mi |
| Liz Septic | 5.0★ (2) | 7 mi |
| Mg plumbing and septic repair Llc | 5.0★ (2) | 19 mi |
| Nazco Geotechnical Engineering | 4.0★ (1) | 21 mi |
| Neighborhood Pumping | 4 mi | |
| Plumbing Method | Emergency Plumbers Chino | 9 mi | |
| Quality Pumping Services inc. | 5.0★ (2) | 4 mi |
| Quick Fix Septic | 5 mi | |
| Riverside Septic System Services | 5.0★ (2) | 20 mi |
| S.S. Construction and Pumping | 8 mi | |
| Sewer King | 5.0★ (1) | 21 mi |
| United Site Services | 5.0★ (2) | 25 mi |
| United Site Services | 6 mi | |
| West Coast Environmental Services Inc. | 11 mi | |
| White House Septic Tank Pumping | 8 mi | |
| Wright Septic Tank Services | 5.0★ (1) | 22 mi |
| Xtreme Sewer and Drains | 5.0★ (1) | 24 mi |
How we ranked Norco septic service companies
We scored 128 Norco 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 Norco 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 Norco: frequently asked questions
Who is the best septic service company in Norco?
By CR Score, the highest-ranked septic service company in Norco, CA is Urgent Septic Solutions with a CR Score of 61/100. It has 5.0★ from 80 Google reviews. It is open 24/7. Countywide Septic Pumping LLC (#2) and On Site Septic & Grease Pumping (#3) follow. We ranked 128 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Norco?
ContractorsRanked ranks 128 septic service companies serving Norco, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Norco are open 24/7?
74 ranked septic service companies in Norco post 24/7 hours. The highest-ranked are Urgent Septic Solutions (#1), Countywide Septic Pumping LLC (#2) and On Site Septic & Grease Pumping (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Norco work on weekends?
106 of 128 ranked septic service companies post Saturday hours and 84 post Sunday hours. The highest-ranked open Saturdays are Urgent Septic Solutions (#1), Countywide Septic Pumping LLC (#2) and On Site Septic & Grease Pumping (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Norco septic service companies have?
The median Google rating among 128 rated septic service companies in Norco is 4.9★, with a median of 28 reviews. Option One Plumbing has the most, 3,017 reviews, and ranks #4. 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 Norco count in this ranking?
Yes, if they are within 25 mi of the Norco 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 Norco
- November 2026: CR Scores recalculated for 128 septic service companies serving Norco.
More septic service companies and Norco pages
Septic service companies near Norco
- Septic service companies in Eastvale, CA124 ranked
- Septic service companies in Corona, CA134 ranked
- Septic service companies in Home Gardens, CA125 ranked
- Septic service companies in Jurupa Valley, CA110 ranked
- Septic service companies in Pedley, CA111 ranked
- Septic service companies in Glen Avon, CA103 ranked
- Septic service companies in Riverside, CA102 ranked
- Septic service companies in Rubidoux, CA96 ranked
- Septic service companies in Chino, CA120 ranked
- Septic service companies in Ontario, CA113 ranked
Other trades in Norco
- Roofers in Norco1318 ranked
- Plumbers in Norco1183 ranked
- Electricians in Norco739 ranked
- HVAC contractors in Norco1169 ranked
- General contractors in Norco1108 ranked
- Painters in Norco173 ranked
- Landscapers in Norco198 ranked
- Handymen in Norco86 ranked
- Kitchen remodelers in Norco587 ranked
- Bathroom remodelers in Norco575 ranked
- Flooring contractors in Norco558 ranked
- Tile installers in Norco77 ranked
- Drywall contractors in Norco48 ranked
- Concrete contractors in Norco420 ranked
- Fence contractors in Norco226 ranked
- Deck builders in Norco137 ranked
- Siding contractors in Norco96 ranked
- Window installers in Norco654 ranked
- Gutter installers in Norco182 ranked
- Insulation contractors in Norco149 ranked
- Solar installers in Norco591 ranked
- Garage door repair companies in Norco237 ranked
- Foundation repair companies in Norco143 ranked
- Tree services in Norco335 ranked
- Masonry contractors in Norco204 ranked
- Water damage restoration companies in Norco1037 ranked
- Home builders in Norco630 ranked
- Demolition contractors in Norco145 ranked
- Window cleaners in Norco118 ranked
- Pressure washing companies in Norco89 ranked
- Pest control companies in Norco429 ranked
- Paving contractors in Norco229 ranked
- Auto glass repair shops in Norco407 ranked
- Excavating contractors in Norco67 ranked
- Pool builders in Norco689 ranked
- All contractors in Norco