59/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Overland, MO (2026)
68 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Overland: Nolen Septic Services, CR Score 59/100; 5.0★ from 237 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mr. Rooter Plumbing of St. Louis, posts 24/7 hours; ranked #2 of 68.
- 10
Most-reviewed: Superior Service, 2,219 Google reviews at 5.0★, the most of 68 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
68 Overland septic service companies are ranked here by CR Score, from ten published factors. 16 are open 24/7, 35 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.7★ across 68 rated businesses.
Top 10 septic service companies in Overland at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nolen Septic Services | 59 | 5.0★ (237) | Edwardsville, 24 mi away | 24/7 | Overall |
| 2 | Mr. Rooter Plumbing of St. Louis | 58 | 4.8★ (2,141) | Ballwin, 12 mi away | 24/7 | Emergencies |
| 3 | Pierson Plumbing Sewer & Drain L.L.C | 57 | 4.8★ (169) | Saint Charles, 9 mi away | 24/7 | — |
| 4 | Superior Service | 56 | 4.9★ (1,766) | Chesterfield, 14 mi away | Sat · Sun · Evenings | — |
| 5 | Maplewood Plumbing & Sewer, LLC. | 56 | 4.8★ (1,691) | St. Louis, 7 mi away | — | — |
| 6 | River City Sewer& Drain, L.L.C. | 56 | 4.9★ (207) | Arnold, 17 mi away | 24/7 | — |
| 7 | St Louis Sewer & Drain Cleaning Services LLC | 55 | 4.9★ (321) | Godfrey, 10 mi away | Sat | — |
| 8 | AA Quick Plumbing And Sewer | 55 | 4.0★ (177) | Saint Ann, 3 mi away | 24/7 | — |
| 9 | All Star Pumping & Sewer Services | 55 | 4.3★ (29) | St. Louis, 2 mi away | 24/7 | — |
| 10 | Superior Service | 55 | 5.0★ (2,219) | Dardenne Prairie, 24 mi away | Sat · Sun · Evenings | Most reviews |
The 68 best septic service companies in Overland, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ballwin, 12 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 2,141 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Charles, 9 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 169 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 14 mi away
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 1,766 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 7 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 1,691 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arnold, 17 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Godfrey, 10 mi away
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 321 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Ann, 3 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.0★ from 177 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 2 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.3★ from 29 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Superior Service
Based in Dardenne Prairie, 24 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 2,219 Google reviews, the most in Overland.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Peters, 14 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 356 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 20 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 15 mi away
54/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 459 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 2 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 24 mi away
54/100CR ScoreRanked #15 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 St. Louis, 6 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 The Sewer Pros
Based in Chesterfield, 15 mi away
53/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 594 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sappington, 11 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 14 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Spanish Lake, 1 mi away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 V1 Environmental
Based in Collinsville, 22 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Creve Coeur, 6 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeton, 6 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kirkwood, 9 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Saint Peters, 14 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 68 ranked septic service companies here; the rest are on their profiles.
Also serving Overland
20 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 |
|---|---|---|
| 3rd Generation Sewer Services | 3.0★ (2) | 13 mi |
| Biologix Products Group | 5.0★ (1) | 2 mi |
| Burke Plumbing | 6 mi | |
| C C Drain & Sewer Cleaning Co | 9 mi | |
| City Home Services Llc (Septic & Sewer) | 1.0★ (1) | 25 mi |
| D-A-C Home Inspections | 5.0★ (1) | 23 mi |
| Drain Cleaning St Louis | 5.0★ (1) | 9 mi |
| E Plumbing and Sewer | 5.0★ (2) | 7 mi |
| Eco Septic Tank Pumping St Louis | 8 mi | |
| Eleven Eleven Excavating LLC | 5.0★ (1) | 23 mi |
| H & H Sewer & Pipe Cleaning | 5.0★ (1) | 20 mi |
| Kelmer Plumbing & Sewer | 5.0★ (2) | 21 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 6 mi |
| Mario's Sewer & Drain Cleaning, LLC | 6 mi | |
| Mega Rooter sewer and Drain LLC | 10 mi | |
| Miller Septic | 5.0★ (1) | 20 mi |
| Ross Excavating | 21 mi | |
| Royale Sewer and drains | 7 mi | |
| SweenCo Sewer Rehabilitation | 5.0★ (2) | 11 mi |
| The Home Depot | 4.2★ (2,135) | In Overland |
How we ranked Overland septic service companies
We scored 68 Overland 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 Overland 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 Overland: frequently asked questions
Who is the best septic service company in Overland?
By CR Score, the highest-ranked septic service company in Overland, MO is Nolen Septic Services with a CR Score of 59/100. It has 5.0★ from 237 Google reviews. It is open 24/7. Mr. Rooter Plumbing of St. Louis (#2) and Pierson Plumbing Sewer & Drain L.L.C (#3) follow. We ranked 68 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Overland?
ContractorsRanked ranks 68 septic service companies serving Overland, MO. 1 of them is based in Overland; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Overland are open 24/7?
16 ranked septic service companies in Overland post 24/7 hours. The highest-ranked are Nolen Septic Services (#1), Mr. Rooter Plumbing of St. Louis (#2) and Pierson Plumbing Sewer & Drain L.L.C (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Overland work on weekends?
35 of 68 ranked septic service companies post Saturday hours and 26 post Sunday hours. The highest-ranked open Saturdays are Nolen Septic Services (#1), Mr. Rooter Plumbing of St. Louis (#2) and Pierson Plumbing Sewer & Drain L.L.C (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Overland septic service companies have?
The median Google rating among 68 rated septic service companies in Overland is 4.7★, with a median of 23 reviews. Superior Service has the most, 2,219 reviews, and ranks #10. 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 Overland count in this ranking?
Yes, if they are within 25 mi of the Overland 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 Overland
- November 2026: CR Scores recalculated for 68 septic service companies serving Overland.
- November 2026: 1 duplicate listing merged.
More septic service companies and Overland pages
Septic service companies near Overland
- Septic service companies in Saint Ann, MO67 ranked
- Septic service companies in Maryland Heights, MO63 ranked
- Septic service companies in University City, MO73 ranked
- Septic service companies in Ferguson, MO70 ranked
- Septic service companies in Creve Coeur, MO71 ranked
- Septic service companies in Clayton, MO74 ranked
- Septic service companies in Hazelwood, MO69 ranked
- Septic service companies in Bridgeton, MO67 ranked
- Septic service companies in Jennings, MO70 ranked
- Septic service companies in Florissant, MO67 ranked
Other trades in Overland
- Roofers in Overland722 ranked
- Plumbers in Overland352 ranked
- Electricians in Overland268 ranked
- HVAC contractors in Overland483 ranked
- General contractors in Overland584 ranked
- Painters in Overland260 ranked
- Landscapers in Overland288 ranked
- Handymen in Overland138 ranked
- Kitchen remodelers in Overland346 ranked
- Bathroom remodelers in Overland348 ranked
- Flooring contractors in Overland262 ranked
- Tile installers in Overland69 ranked
- Drywall contractors in Overland31 ranked
- Concrete contractors in Overland270 ranked
- Fence contractors in Overland129 ranked
- Deck builders in Overland200 ranked
- Siding contractors in Overland305 ranked
- Window installers in Overland207 ranked
- Gutter installers in Overland255 ranked
- Insulation contractors in Overland60 ranked
- Solar installers in Overland64 ranked
- Garage door repair companies in Overland111 ranked
- Foundation repair companies in Overland82 ranked
- Tree services in Overland297 ranked
- Masonry contractors in Overland157 ranked
- Water damage restoration companies in Overland267 ranked
- Home builders in Overland262 ranked
- Demolition contractors in Overland57 ranked
- Window cleaners in Overland74 ranked
- Pressure washing companies in Overland139 ranked
- Pest control companies in Overland131 ranked
- Paving contractors in Overland118 ranked
- Auto glass repair shops in Overland138 ranked
- Excavating contractors in Overland87 ranked
- Pool builders in Overland121 ranked
- All contractors in Overland