63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 57 Google reviews, the most in Rolla.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Rolla, MO (2026)
9 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rolla: Black's Sewer Line Cleaning LLC, CR Score 63/100; 4.8★ from 57 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Brookshire Septic & Pumping, posts 24/7 hours; ranked #2 of 9.
- 4
Most-reviewed: Doyel Excavation, 23 Google reviews at 4.8★, the most of 9 ranked after Black's Sewer Line Cleaning LLC; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Rolla septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 4 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 9 rated businesses.
Top 9 septic service companies in Rolla at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Black's Sewer Line Cleaning LLC | 63 | 4.8★ (57) | Rolla | 24/7 | Overall |
| 2 | Brookshire Septic & Pumping | 63 | 5.0★ (15) | Rolla | 24/7 | Emergencies |
| 3 | Mudd’s Septic Service, LLC | 59 | 4.0★ (12) | Rolla | — | — |
| 4 | Doyel Excavation | 56 | 4.8★ (23) | Rolla | Sat · Sun | Most reviews |
| 5 | Drain Kings LLC | 55 | 4.1★ (13) | Rolla | 24/7 | — |
| 6 | Freedom Dirt Works | 53 | 5.0★ (3) | Rolla | — | — |
| 7 | Scott's Plumbing & Sewers | 53 | 3.3★ (7) | Rolla | — | — |
| 8 | Taylor's Septic Tank Cleaning | 52 | 4.8★ (4) | Rolla | — | — |
| 9 | Riehl Excavation and Hauling, LLC | 49 | 5.0★ (6) | Rolla | — | — |
The 9 best septic service companies in Rolla, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Rolla
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rolla
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rolla
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 23 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rolla
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.1★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rolla
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ 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 Rolla
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.3★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rolla
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rolla
49/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Rolla septic service companies
We scored 9 Rolla 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 Rolla 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 Rolla: frequently asked questions
Who is the best septic service company in Rolla?
By CR Score, the highest-ranked septic service company in Rolla, MO is Black's Sewer Line Cleaning LLC with a CR Score of 63/100. It has 4.8★ from 57 Google reviews. It is open 24/7. Brookshire Septic & Pumping (#2) and Mudd’s Septic Service, LLC (#3) follow. We ranked 9 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Rolla?
ContractorsRanked ranks 9 septic service companies serving Rolla, MO. 9 of them are based in Rolla; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Rolla are open 24/7?
3 ranked septic service companies in Rolla post 24/7 hours. The highest-ranked are Black's Sewer Line Cleaning LLC (#1), Brookshire Septic & Pumping (#2) and Drain Kings LLC (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Rolla work on weekends?
4 of 9 ranked septic service companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Black's Sewer Line Cleaning LLC (#1), Brookshire Septic & Pumping (#2) and Doyel Excavation (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Rolla septic service companies have?
The median Google rating among 9 rated septic service companies in Rolla is 4.8★, with a median of 12 reviews. Black's Sewer Line Cleaning LLC has the most, 57 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 Rolla count in this ranking?
Yes, if they are within 25 mi of the Rolla 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 Rolla
- November 2026: CR Scores recalculated for 9 septic service companies serving Rolla.
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