60/100CR 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 Old Jamestown, MO (2026)
60 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Old Jamestown: Nolen Septic Services, CR Score 60/100; 5.0★ from 237 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Pierson Plumbing Sewer & Drain L.L.C, posts 24/7 hours; ranked #2 of 60.
- 3
Most-reviewed: Mr. Rooter Plumbing of St. Louis, 2,141 Google reviews at 4.8★, the most of 60 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
60 Old Jamestown septic service companies are ranked here by CR Score, from ten published factors. 14 are open 24/7, 31 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.7★ across 60 rated businesses.
Top 10 septic service companies in Old Jamestown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nolen Septic Services | 60 | 5.0★ (237) | Edwardsville, 19 mi away | 24/7 | Overall |
| 2 | Pierson Plumbing Sewer & Drain L.L.C | 57 | 4.8★ (169) | Saint Charles, 12 mi away | 24/7 | Emergencies |
| 3 | Mr. Rooter Plumbing of St. Louis | 56 | 4.8★ (2,141) | Ballwin, 23 mi away | 24/7 | Most reviews |
| 4 | Superior Service | 55 | 4.9★ (1,766) | Chesterfield, 22 mi away | Sat · Sun · Evenings | — |
| 5 | Mitchell Environmental | 55 | 5.0★ (212) | Belleville, 21 mi away | — | — |
| 6 | Maplewood Plumbing & Sewer, LLC. | 54 | 4.8★ (1,691) | St. Louis, 16 mi away | — | — |
| 7 | Mr. Rooter Plumbing of St. Charles | 54 | 4.8★ (356) | Saint Peters, 19 mi away | 24/7 | — |
| 8 | All Star Pumping & Sewer Services | 53 | 4.3★ (29) | St. Louis, 9 mi away | 24/7 | — |
| 9 | V1 Environmental | 53 | 5.0★ (84) | Collinsville, 20 mi away | — | — |
| 10 | St Louis Sewer & Drain Cleaning Services LLC | 53 | 4.9★ (321) | Godfrey, 17 mi away | Sat | — |
The 60 best septic service companies in Old Jamestown, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Saint Charles, 12 mi away
57/100CR ScoreRanked #2 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 Ballwin, 23 mi away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 2,141 Google reviews, the most in Old Jamestown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 22 mi away
55/100CR 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 Belleville, 21 mi away
55/100CR ScoreRanked #5 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 St. Louis, 16 mi away
54/100CR ScoreRanked #6 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 Saint Peters, 19 mi away
54/100CR ScoreRanked #7 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 St. Louis, 9 mi away
53/100CR ScoreRanked #8 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.
Based in Collinsville, 20 mi away
53/100CR ScoreRanked #9 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 Godfrey, 17 mi away
53/100CR ScoreRanked #10 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, 10 mi away
53/100CR ScoreRanked #11 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, 10 mi away
53/100CR ScoreRanked #12 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.
Based in Chesterfield, 22 mi away
53/100CR 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, 10 mi away
52/100CR 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 Bridgeton, 8 mi away
52/100CR ScoreRanked #15 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 Upper Alton, 20 mi away
52/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 The Sewer Pros
Based in Chesterfield, 22 mi away
52/100CR 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 Edwardsville, 18 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sappington, 21 mi away
51/100CR ScoreRanked #19 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 Florissant, 4 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 24 mi away
51/100CR ScoreRanked #21 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 Saint Peters, 19 mi away
51/100CR ScoreRanked #22 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.
Based in Edwardsville, 10 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ 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 Creve Coeur, 15 mi away
51/100CR ScoreRanked #24 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.
#25 Miller Septic
Based in Troy, 24 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability 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 60 ranked septic service companies here; the rest are on their profiles.
Also serving Old Jamestown
18 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) | 6 mi |
| Biologix Products Group | 5.0★ (1) | 12 mi |
| Burke Plumbing | 5 mi | |
| C C Drain & Sewer Cleaning Co | 4 mi | |
| City Home Services Llc (Septic & Sewer) | 1.0★ (1) | 18 mi |
| D-A-C Home Inspections | 5.0★ (1) | 23 mi |
| Drain Cleaning St Louis | 5.0★ (1) | 19 mi |
| E Plumbing and Sewer | 5.0★ (2) | 13 mi |
| Eco Septic Tank Pumping St Louis | 17 mi | |
| Gen x construction | 25 mi | |
| Kelmer Plumbing & Sewer | 5.0★ (2) | 17 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 5 mi |
| Mario's Sewer & Drain Cleaning, LLC | 16 mi | |
| Mega Rooter sewer and Drain LLC | 17 mi | |
| Miller Septic | 5.0★ (1) | 24 mi |
| Ross Excavating | 20 mi | |
| Royale Sewer and drains | 13 mi | |
| SweenCo Sewer Rehabilitation | 5.0★ (2) | 12 mi |
How we ranked Old Jamestown septic service companies
We scored 60 Old Jamestown 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 Old Jamestown 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 Old Jamestown: frequently asked questions
Who is the best septic service company in Old Jamestown?
By CR Score, the highest-ranked septic service company in Old Jamestown, MO is Nolen Septic Services with a CR Score of 60/100. It has 5.0★ from 237 Google reviews. It is open 24/7. Pierson Plumbing Sewer & Drain L.L.C (#2) and Mr. Rooter Plumbing of St. Louis (#3) follow. We ranked 60 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Old Jamestown?
ContractorsRanked ranks 60 septic service companies serving Old Jamestown, MO. Another 18 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Old Jamestown are open 24/7?
14 ranked septic service companies in Old Jamestown post 24/7 hours. The highest-ranked are Nolen Septic Services (#1), Pierson Plumbing Sewer & Drain L.L.C (#2) and Mr. Rooter Plumbing of St. Louis (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Old Jamestown work on weekends?
31 of 60 ranked septic service companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Nolen Septic Services (#1), Pierson Plumbing Sewer & Drain L.L.C (#2) and Mr. Rooter Plumbing of St. Louis (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Old Jamestown septic service companies have?
The median Google rating among 60 rated septic service companies in Old Jamestown is 4.7★, with a median of 19 reviews. Mr. Rooter Plumbing of St. Louis has the most, 2,141 reviews, and ranks #3. 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 Old Jamestown count in this ranking?
Yes, if they are within 25 mi of the Old Jamestown 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 Old Jamestown
- November 2026: CR Scores recalculated for 60 septic service companies serving Old Jamestown.
- November 2026: 1 duplicate listing merged.
More septic service companies and Old Jamestown pages
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