60/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 47 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 St. Marys, GA (2026)
13 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in St. Marys: Ground Control Septic, CR Score 60/100; 5.0★ from 47 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Tom Hunter Septic, posts 24/7 hours; ranked #4 of 13.
- 5
Most-reviewed: CJ Bass Plumbing Inc, 946 Google reviews at 4.9★, the most of 13 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 St. Marys septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 13 rated businesses.
Top 10 septic service companies in St. Marys at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ground Control Septic | 60 | 5.0★ (47) | Kingsland, 11 mi away | 24/7 | Overall |
| 2 | Superior Septic Tank Service | 59 | 4.9★ (33) | St. Marys | — | — |
| 3 | Dr. Poo Sanitation Solutions | 55 | 4.9★ (171) | Jacksonville, 19 mi away | — | — |
| 4 | Tom Hunter Septic | 55 | 5.0★ (9) | Jacksonville, 18 mi away | 24/7 | Emergencies |
| 5 | CJ Bass Plumbing Inc | 55 | 4.9★ (946) | Fernandina Beach, 8 mi away | — | Most reviews |
| 6 | Flamingo Septic | 54 | 4.5★ (24) | Jacksonville, 25 mi away | 24/7 | — |
| 7 | Murray Septic Tank | 53 | 4.8★ (5) | Fernandina Beach, 11 mi away | — | — |
| 8 | Florida Pumping | 51 | 4.4★ (13) | Jacksonville, 22 mi away | Sat | — |
| 9 | Ron's Septic Tank Services Inc | 50 | 4.3★ (6) | Jacksonville, 21 mi away | — | — |
| 10 | Riverview Pump Well & Septic | 49 | 4.3★ (33) | Jacksonville, 24 mi away | — | — |
The 13 best septic service companies in St. Marys, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in St. Marys
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Jacksonville, 19 mi away
55/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 18 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 8 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 946 Google reviews, the most in St. Marys.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 25 mi away
54/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.5★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 11 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Jacksonville, 22 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 21 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Jacksonville, 24 mi away
49/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ from 33 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 23 mi away
47/100CR ScoreRanked #11 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 St. Marys
47/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.3★ from 18 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingsland, 19 mi away
44/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving St. Marys
3 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 |
|---|---|---|
| Advanced Septic Solutions | 14 mi | |
| Lawton Smith Septic Services | 4.5★ (2) | 10 mi |
| Peachtree Plumbing and Rooter Co | 24 mi |
How we ranked St. Marys septic service companies
We scored 13 St. Marys 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 St. Marys 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 St. Marys: frequently asked questions
Who is the best septic service company in St. Marys?
By CR Score, the highest-ranked septic service company in St. Marys, GA is Ground Control Septic with a CR Score of 60/100. It has 5.0★ from 47 Google reviews. It is open 24/7. Superior Septic Tank Service (#2) and Dr. Poo Sanitation Solutions (#3) follow. We ranked 13 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in St. Marys?
ContractorsRanked ranks 13 septic service companies serving St. Marys, GA. 2 of them are based in St. Marys; the rest serve it from nearby towns. Another 3 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in St. Marys are open 24/7?
3 ranked septic service companies in St. Marys post 24/7 hours. The highest-ranked are Ground Control Septic (#1), Tom Hunter Septic (#4) and Flamingo Septic (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in St. Marys work on weekends?
5 of 13 ranked septic service companies post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are Ground Control Septic (#1), Tom Hunter Septic (#4) and Flamingo Septic (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do St. Marys septic service companies have?
The median Google rating among 13 rated septic service companies in St. Marys is 4.8★, with a median of 18 reviews. CJ Bass Plumbing Inc has the most, 946 reviews, and ranks #5. 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 St. Marys count in this ranking?
Yes, if they are within 25 mi of the St. Marys 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 St. Marys
- November 2026: CR Scores recalculated for 13 septic service companies serving St. Marys.
More septic service companies and St. Marys pages
Septic service companies near St. Marys
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