60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Andover, MN (2026)
81 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Andover: Cedar Septic and Sewer LLC, CR Score 60/100; 4.9★ from 539 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Bonfe Plumbing, Heating, Cooling, Electrical, Sewer, posts 24/7 hours; ranked #2 of 81.
- 2
Most-reviewed: Bonfe Plumbing, Heating, Cooling, Electrical, Sewer, 10,984 Google reviews at 4.8★, the most of 81 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
81 Andover septic service companies are ranked here by CR Score, from ten published factors. 32 are open 24/7, 47 open Saturdays and 41 open Sundays, based on posted hours. The median Google rating is 4.8★ across 81 rated businesses.
Most of this list also appears on the Septic service companies in Coon Rapids ranking. See Septic service companies in Coon Rapids
Top 10 septic service companies in Andover at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cedar Septic and Sewer LLC | 60 | 4.9★ (539) | Oak Grove, 10 mi away | 24/7 | Overall |
| 2 | Bonfe Plumbing, Heating, Cooling, Electrical, Sewer | 58 | 4.8★ (10,984) | Bloomington, 22 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Gopher Sewer and Drain | 58 | 4.9★ (717) | Fridley, 11 mi away | 24/7 | — |
| 4 | Guy's Sewer & Drain | 57 | 5.0★ (659) | Saint Louis Park, 19 mi away | 24/7 | — |
| 5 | D&T Septic Services | 56 | 4.8★ (45) | Anoka, 9 mi away | Sat · Sun · Evenings | — |
| 6 | John's Sewer & Drain Cleaning, Inc. | 56 | 4.9★ (336) | New Brighton, 14 mi away | 24/7 | — |
| 7 | Duane's Septic Services | 56 | 4.7★ (77) | Corcoran, 18 mi away | 24/7 | — |
| 8 | Sewer Works II LLC /SewerWorks LLC | 56 | 4.7★ (28) | Ramsey, 9 mi away | Sat · Sun | — |
| 9 | One Hour Rooter Plumbing Drain Cleaning Sewer Repair | 55 | 4.5★ (775) | New Hope, 13 mi away | 24/7 | — |
| 10 | Cutting Edge Sewer & Drain - Coon Rapids | 55 | 4.8★ (52) | Coon Rapids, 7 mi away | 24/7 | — |
The 81 best septic service companies in Andover, 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 Bloomington, 22 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 10,984 Google reviews, the most in Andover.
Based in Fridley, 11 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 717 Google reviews.
Based in Saint Louis Park, 19 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 659 Google reviews, listed on Google as “Plumber”.
Based in Anoka, 9 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in New Brighton, 14 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 336 Google reviews, listed on Google as “Plumber”.
Based in Corcoran, 18 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Septic system service”.
Based in Ramsey, 9 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in New Hope, 13 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.5★ from 775 Google reviews.
Based in Coon Rapids, 7 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Plumber”.
Based in Maple Grove, 14 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Plumber”.
Based in Rogers, 14 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 147 Google reviews, listed on Google as “Plumber”.
Based in Spring Lake Park, 9 mi away
55/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 1,362 Google reviews.
Based in Brooklyn Park, 14 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Plumber”.
Based in Saint Louis Park, 20 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 279 Google reviews, listed on Google as “Plumber”.
Based in Blaine, 8 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
Based in Ham Lake, 5 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 41 Google reviews, listed on Google as “Septic system service”.
Based in Monticello, 19 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Plumber”.
Based in Fridley, 12 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 183 Google reviews, listed on Google as “Plumber”.
Based in Columbia Heights, 13 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Plumber”.
Based in Maple Grove, 12 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 22 Google reviews, listed on Google as “Plumber”.
Based in Burnsville, 18 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “Plumber”.
Based in Saint Louis Park, 20 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 353 Google reviews, listed on Google as “Plumber”.
#24 PGM
Based in Ham Lake, 4 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Brooklyn Park, 20 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 124 Google reviews, listed on Google as “Plumber”.
How we ranked Andover septic service companies
We scored 81 Andover 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 Andover 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 Andover: frequently asked questions
Who is the best septic service company in Andover?
By CR Score, the highest-ranked septic service company in Andover, MN is Cedar Septic and Sewer LLC with a CR Score of 60/100. It has 4.9★ from 539 Google reviews. It is open 24/7. Bonfe Plumbing, Heating, Cooling, Electrical, Sewer (#2) and Gopher Sewer and Drain (#3) follow. We ranked 81 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Andover?
ContractorsRanked ranks 81 septic service companies serving Andover, MN. Counts are as of November 2026.
Which septic service companies in Andover are open 24/7?
32 ranked septic service companies in Andover post 24/7 hours. The highest-ranked are Cedar Septic and Sewer LLC (#1), Bonfe Plumbing, Heating, Cooling, Electrical, Sewer (#2) and Gopher Sewer and Drain (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Andover work on weekends?
47 of 81 ranked septic service companies post Saturday hours and 41 post Sunday hours. The highest-ranked open Saturdays are Cedar Septic and Sewer LLC (#1), Bonfe Plumbing, Heating, Cooling, Electrical, Sewer (#2) and Gopher Sewer and Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Andover septic service companies have?
The median Google rating among 81 rated septic service companies in Andover is 4.8★, with a median of 31 reviews. Bonfe Plumbing, Heating, Cooling, Electrical, Sewer has the most, 10,984 reviews, and ranks #2. 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 Andover count in this ranking?
Yes, if they are within 25 mi of the Andover 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 Andover
- November 2026: CR Scores recalculated for 81 septic service companies serving Andover.
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