68/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 109 Google reviews, the most in Bismarck.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Bismarck, ND (2026)
9 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Bismarck: Deuces Wild Septic Service, CR Score 68/100; 4.9★ from 109 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Big Muddy Septic Service, posts 24/7 hours; ranked #2 of 9.
- 5
Most-reviewed: Super Rooter Sewer & Drain Cleaning, Inc., 37 Google reviews at 4.4★, the most of 9 ranked after Deuces Wild Septic Service; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Bismarck septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 9 rated businesses.
Top 9 septic service companies in Bismarck at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Deuces Wild Septic Service | 68 | 4.9★ (109) | Bismarck | 24/7 | Overall |
| 2 | Big Muddy Septic Service | 62 | 5.0★ (14) | Bismarck | 24/7 | Emergencies |
| 3 | A-1 Septic Pumping Plus | 62 | 5.0★ (14) | Mandan, 2 mi away | 24/7 | — |
| 4 | Clear Path Sewer Solutions | 61 | 5.0★ (32) | Bismarck | 24/7 | — |
| 5 | Super Rooter Sewer & Drain Cleaning, Inc. | 60 | 4.4★ (37) | Bismarck | 24/7 | Most reviews |
| 6 | Turd Burglar | 59 | 4.6★ (18) | Bismarck | Sat · Evenings | — |
| 7 | Dakota Sewer & Drain Cleaning | 55 | 5.0★ (26) | Bismarck | — | — |
| 8 | Royal Septic & Excavating Service | 55 | 2.0★ (4) | Bismarck | — | — |
| 9 | Creative Construction LLC | 48 | 4.4★ (5) | Mandan, 2 mi away | — | — |
The 9 best septic service companies in Bismarck, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Bismarck
62/100CR ScoreRanked #2 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 Mandan, 2 mi away
62/100CR ScoreRanked #3 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 Bismarck
61/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 32 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.4★ from 37 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 Turd Burglar
Based in Bismarck
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ 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 Bismarck
55/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 26 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 2.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Mandan, 2 mi away
48/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Bismarck septic service companies
We scored 9 Bismarck 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 Bismarck 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 Bismarck: frequently asked questions
Who is the best septic service company in Bismarck?
By CR Score, the highest-ranked septic service company in Bismarck, ND is Deuces Wild Septic Service with a CR Score of 68/100. It has 4.9★ from 109 Google reviews. It is open 24/7. Big Muddy Septic Service (#2) and A-1 Septic Pumping Plus (#3) follow. We ranked 9 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Bismarck?
ContractorsRanked ranks 9 septic service companies serving Bismarck, ND. 7 of them are based in Bismarck; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Bismarck are open 24/7?
5 ranked septic service companies in Bismarck post 24/7 hours. The highest-ranked are Deuces Wild Septic Service (#1), Big Muddy Septic Service (#2) and A-1 Septic Pumping Plus (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Bismarck work on weekends?
6 of 9 ranked septic service companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Deuces Wild Septic Service (#1), Big Muddy Septic Service (#2) and A-1 Septic Pumping Plus (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Bismarck septic service companies have?
The median Google rating among 9 rated septic service companies in Bismarck is 4.9★, with a median of 18 reviews. Deuces Wild Septic Service has the most, 109 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 Bismarck count in this ranking?
Yes, if they are within 25 mi of the Bismarck 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 Bismarck
- November 2026: CR Scores recalculated for 9 septic service companies serving Bismarck.
- November 2026: 1 duplicate listing merged.
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