Ranked #1 in Buffalo
Based in Bloomington, 24 mi away
58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 10,984 Google reviews, the most in Buffalo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Buffalo, MN (2026)
37 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Buffalo: Bonfe Plumbing, Heating, Cooling, Electrical, Sewer, CR Score 58/100; 4.8★ from 10,984 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Duane's Septic Services, posts 24/7 hours; ranked #2 of 37.
- 6
Most-reviewed: One Hour Rooter Plumbing Drain Cleaning Sewer Repair, 775 Google reviews at 4.5★, the most of 37 ranked after Bonfe Plumbing, Heating, Cooling, Electrical, Sewer; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Buffalo septic service companies are ranked here by CR Score, from ten published factors. 12 are open 24/7, 18 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.6★ across 37 rated businesses.
Top 10 septic service companies in Buffalo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bonfe Plumbing, Heating, Cooling, Electrical, Sewer | 58 | 4.8★ (10,984) | Bloomington, 24 mi away | 24/7 | Overall |
| 2 | Duane's Septic Services | 57 | 4.7★ (77) | Corcoran, 14 mi away | 24/7 | Emergencies |
| 3 | Guy's Sewer & Drain | 55 | 5.0★ (75) | Monticello, 10 mi away | 24/7 | — |
| 4 | Viking Sewer & Drain Cleaning | 55 | 4.9★ (147) | Rogers, 15 mi away | 24/7 | — |
| 5 | Spearhead Sewer and Drain | 53 | 5.0★ (110) | Maple Grove, 22 mi away | 24/7 | — |
| 6 | One Hour Rooter Plumbing Drain Cleaning Sewer Repair | 52 | 4.5★ (775) | New Hope, 25 mi away | 24/7 | Most reviews |
| 7 | CW's Excavating, Inc. | 52 | 5.0★ (36) | Big Lake, 11 mi away | — | — |
| 8 | Sewer Works II LLC /SewerWorks LLC | 52 | 4.7★ (28) | Ramsey, 23 mi away | Sat · Sun | — |
| 9 | Kothrade Sewer, Septic, and Excavating | 52 | 4.7★ (17) | Corcoran, 12 mi away | 24/7 | — |
| 10 | Patnode Brothers Septic & Excavation | 52 | 5.0★ (14) | Saint Michael, 10 mi away | Evenings | — |
The 37 best septic service companies in Buffalo, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Corcoran, 14 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monticello, 10 mi away
55/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rogers, 15 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 147 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Maple Grove, 22 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Hope, 25 mi away
52/100CR ScoreRanked #6 because of its Google rating and review volume: 4.5★ from 775 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Big Lake, 11 mi away
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ramsey, 23 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corcoran, 12 mi away
52/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Michael, 10 mi away
52/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Michael, 10 mi away
51/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Maple Grove, 17 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 22 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rogers, 14 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 61 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chanhassen, 20 mi away
51/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mound, 21 mi away
51/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elk River, 16 mi away
49/100CR ScoreRanked #16 because of its Google rating and availability: 4.6★ from 47 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo
49/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 Crust Busters
Based in Monticello, 12 mi away
49/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 ASAP Pumping
Based in Saint Cloud, 19 mi away
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.5★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ramsey, 18 mi away
48/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corcoran, 13 mi away
48/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Well drilling contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Ace Cesspool
Based in Anoka, 23 mi away
48/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Cloud, 20 mi away
47/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Cloud, 24 mi away
47/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Crystal, 22 mi away
47/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 37 septic service companies
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Defend Sewer Repair | 47 | 5.0★ (71) | 23 mi |
| 27 | Ouverson Sewer & Water | 47 | 5.0★ (72) | 25 mi |
| 28 | Groth Sewer & Water | 47 | 4.5★ (17) | 19 mi |
| 29 | Dans Plumbing & Septic | 46 | 4.9★ (62) | 25 mi |
| 30 | Finley Excavating | 45 | 5.0★ (5) | 19 mi |
| 31 | Loddery Plumbing CO | 45 | 4.6★ (9) | 21 mi |
| 32 | Schluender Construction Co. | 44 | 4.1★ (7) | 7 mi |
| 33 | Wruck Excavating | 44 | 4.4★ (32) | 14 mi |
| 34 | United Water & Sewer Co. | 44 | 4.5★ (4) | 18 mi |
| 35 | Steinbrecher Companies, Inc. | 42 | 4.3★ (30) | 21 mi |
| 36 | Top Notch Sewer & Drain Cleaning, Inc. | 41 | 3.2★ (16) | 24 mi |
| 37 | MJS Dirtworks LLC | 41 | 4.5★ (8) | 24 mi |
Also serving Buffalo
4 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 |
|---|---|---|
| Blue Dot Services | 23 mi | |
| Peak Excavation | 5.0★ (2) | 19 mi |
| Rusty Olson's Soil & Percolation Testing | 10 mi | |
| sewer man | 5.0★ (2) | In Buffalo |
How we ranked Buffalo septic service companies
We scored 37 Buffalo 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 Buffalo 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 Buffalo: frequently asked questions
Who is the best septic service company in Buffalo?
By CR Score, the highest-ranked septic service company in Buffalo, MN is Bonfe Plumbing, Heating, Cooling, Electrical, Sewer with a CR Score of 58/100. It has 4.8★ from 10,984 Google reviews. It is open 24/7. Duane's Septic Services (#2) and Guy's Sewer & Drain (#3) follow. We ranked 37 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Buffalo?
ContractorsRanked ranks 37 septic service companies serving Buffalo, MN. 1 of them is based in Buffalo; the rest serve it from nearby towns. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Buffalo are open 24/7?
12 ranked septic service companies in Buffalo post 24/7 hours. The highest-ranked are Bonfe Plumbing, Heating, Cooling, Electrical, Sewer (#1), Duane's Septic Services (#2) and Guy's Sewer & Drain (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Buffalo work on weekends?
18 of 37 ranked septic service companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Bonfe Plumbing, Heating, Cooling, Electrical, Sewer (#1), Duane's Septic Services (#2) and Guy's Sewer & Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Buffalo septic service companies have?
The median Google rating among 37 rated septic service companies in Buffalo is 4.6★, with a median of 22 reviews. Bonfe Plumbing, Heating, Cooling, Electrical, Sewer has the most, 10,984 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 Buffalo count in this ranking?
Yes, if they are within 25 mi of the Buffalo 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 Buffalo
- November 2026: CR Scores recalculated for 37 septic service companies serving Buffalo.
More septic service companies and Buffalo pages
Septic service companies near Buffalo
- Septic service companies in Monticello, MN37 ranked
- Septic service companies in Saint Michael, MN62 ranked
- Septic service companies in Big Lake, MN38 ranked
- Septic service companies in Otsego, MN61 ranked
- Septic service companies in Rogers, MN82 ranked
- Septic service companies in Elk River, MN57 ranked
- Septic service companies in Maple Grove, MN93 ranked
- Septic service companies in Ramsey, MN79 ranked
- Septic service companies in Waconia, MN36 ranked
- Septic service companies in Champlin, MN88 ranked
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- All contractors in Buffalo