62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Rosemont, CA (2026)
67 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rosemont: GSW Pumping LLC, CR Score 62/100; 5.0★ from 121 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Drain Time Plumbing Of Sacramento, posts 24/7 hours; ranked #4 of 67.
- 3
Most-reviewed: Bonney Plumbing, Sewer, Electrical, Heating & Air, 9,342 Google reviews at 4.8★, the most of 67 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Rosemont septic service companies are ranked here by CR Score, from ten published factors. 38 are open 24/7, 57 open Saturdays and 41 open Sundays, based on posted hours. The median Google rating is 4.9★ across 67 rated businesses.
Most of this list also appears on the Septic service companies in Florin ranking. See Septic service companies in Florin
Top 10 septic service companies in Rosemont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GSW Pumping LLC | 62 | 5.0★ (121) | Sacramento, 4 mi away | 24/7 | Overall |
| 2 | Pump & Dump Septic | 61 | 4.9★ (565) | Sacramento, 7 mi away | Sat · Sun · Evenings | — |
| 3 | Bonney Plumbing, Sewer, Electrical, Heating & Air | 61 | 4.8★ (9,342) | Rancho Cordova, 6 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Drain Time Plumbing Of Sacramento | 61 | 4.8★ (124) | Sacramento, 4 mi away | 24/7 | Emergencies |
| 5 | Amigos Plumbing and Drain Cleaning | 60 | 5.0★ (46) | Sacramento, 5 mi away | 24/7 | — |
| 6 | The Lavatory | 59 | 5.0★ (131) | Sacramento, 13 mi away | 24/7 | — |
| 7 | 5 Star Plumbing | 59 | 4.9★ (4,264) | North Highlands, 7 mi away | 24/7 | — |
| 8 | Doggonit Plumbing And Drain | 59 | 4.9★ (71) | Sacramento, 9 mi away | 24/7 | — |
| 9 | Septic Pumping and Drain Solutions | 59 | 5.0★ (68) | Antelope, 11 mi away | 24/7 | — |
| 10 | Armstrong Plumbing Inc | 58 | 4.8★ (1,665) | Sacramento, 5 mi away | 24/7 | — |
The 67 best septic service companies in Rosemont, 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 Sacramento, 7 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 565 Google reviews, listed on Google as “Septic system service”.
Based in Rancho Cordova, 6 mi away
61/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 9,342 Google reviews, the most in Rosemont.
Based in Sacramento, 4 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 124 Google reviews, listed on Google as “Septic system service”.
Based in Sacramento, 5 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Septic system service”.
#6 The Lavatory
Based in Sacramento, 13 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Septic system service”.
Based in North Highlands, 7 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 4,264 Google reviews.
Based in Sacramento, 9 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Septic system service”.
Based in Antelope, 11 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Septic system service”.
Based in Sacramento, 5 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 1,665 Google reviews.
Based in Sacramento, 8 mi away
57/100CR ScoreRanked #11 because of its Google rating and review volume: 4.6★ from 5,747 Google reviews.
Based in Sacramento, 22 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Septic system service”.
Based in Antelope, 5 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Plumber”.
Based in Orangevale, 12 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “Plumber”.
Based in Sacramento, 7 mi away
56/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 542 Google reviews.
Based in Rocklin, 19 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “Septic system service”.
Based in Arden-Arcade, 9 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 182 Google reviews, listed on Google as “Plumber”.
Based in Sacramento, 1 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.7★ from 316 Google reviews.
Based in El Dorado Hills, 12 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Plumber”.
Based in Antelope, 15 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 232 Google reviews, listed on Google as “Plumber”.
#21 Murray Plumbing
Based in El Dorado Hills, 17 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Arden-Arcade, 5 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Plumber”.
Based in Elk Grove, 11 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 699 Google reviews.
Based in Rocklin, 9 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Plumber”.
Based in Auburn, 9 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Plumber”.
How we ranked Rosemont septic service companies
We scored 67 Rosemont 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 Rosemont 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 Rosemont: frequently asked questions
Who is the best septic service company in Rosemont?
By CR Score, the highest-ranked septic service company in Rosemont, CA is GSW Pumping LLC with a CR Score of 62/100. It has 5.0★ from 121 Google reviews. It is open 24/7. Pump & Dump Septic (#2) and Bonney Plumbing, Sewer, Electrical, Heating & Air (#3) follow. We ranked 67 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Rosemont?
ContractorsRanked ranks 67 septic service companies serving Rosemont, CA. Counts are as of November 2026.
Which septic service companies in Rosemont are open 24/7?
38 ranked septic service companies in Rosemont post 24/7 hours. The highest-ranked are GSW Pumping LLC (#1), Drain Time Plumbing Of Sacramento (#4) and Amigos Plumbing and Drain Cleaning (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Rosemont work on weekends?
57 of 67 ranked septic service companies post Saturday hours and 41 post Sunday hours. The highest-ranked open Saturdays are GSW Pumping LLC (#1), Pump & Dump Septic (#2) and Bonney Plumbing, Sewer, Electrical, Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Rosemont septic service companies have?
The median Google rating among 67 rated septic service companies in Rosemont is 4.9★, with a median of 52 reviews. Bonney Plumbing, Sewer, Electrical, Heating & Air has the most, 9,342 reviews, and ranks #3. 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 Rosemont count in this ranking?
Yes, if they are within 25 mi of the Rosemont 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 Rosemont
- November 2026: CR Scores recalculated for 67 septic service companies serving Rosemont.
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