63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 60 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 Clemson, SC (2026)
30 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clemson: Pump Monkey, CR Score 63/100; 5.0★ from 60 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): J septic services and drain feild replacement, posts 24/7 hours; ranked #2 of 30.
- 6
Most-reviewed: Roto-Rooter Plumbing & Drain Service, 1,274 Google reviews at 4.7★, the most of 30 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Clemson septic service companies are ranked here by CR Score, from ten published factors. 16 are open 24/7, 18 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 5.0★ across 30 rated businesses.
Top 10 septic service companies in Clemson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pump Monkey | 63 | 5.0★ (60) | Clemson | 24/7 | Overall |
| 2 | J septic services and drain feild replacement | 59 | 5.0★ (80) | Anderson, 16 mi away | 24/7 | Emergencies |
| 3 | A-1 Septic & Drain Field Repair, LLC | 59 | 4.9★ (172) | Anderson, 6 mi away | 24/7 | — |
| 4 | Residential Grading and Septic LLC | 59 | 4.8★ (57) | Clemson | 24/7 | — |
| 5 | Chastains Septic Tank Services, LLC and Chastain's Portable Toilets, LLC | 58 | 5.0★ (443) | Anderson, 19 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Drain Service | 57 | 4.7★ (1,274) | Anderson, 13 mi away | 24/7 | Most reviews |
| 7 | Al's Septic Tank Service | 57 | 4.8★ (69) | Greer, 22 mi away | 24/7 | — |
| 8 | Clean Flo Sewer and Septic | 57 | 4.9★ (271) | Anderson, 13 mi away | 24/7 | — |
| 9 | Rooter Express | 57 | 4.8★ (547) | Anderson, 13 mi away | 24/7 | — |
| 10 | Tri-City Septic LLC | 57 | 5.0★ (29) | Anderson, 20 mi away | 24/7 | — |
The 30 best septic service companies in Clemson, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Anderson, 16 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 6 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 172 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clemson
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 19 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 443 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 13 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 1,274 Google reviews, the most in Clemson.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greer, 22 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 69 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 13 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 271 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 13 mi away
57/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 547 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 20 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 13 mi away
56/100CR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 643 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Central, 5 mi away
56/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 66 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 3 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 204 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 14 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 23 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 854 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 16 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 21 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 21 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Greenville, 9 mi away
52/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 20 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anderson, 14 mi away
51/100CR ScoreRanked #20 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 Greenville, 24 mi away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.5★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Gantt, 24 mi away
50/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 477 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Piedmont, 21 mi away
49/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Greenville, 25 mi away
48/100CR ScoreRanked #24 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 Seneca, 3 mi away
48/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 30 septic service companies
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Furman Brezeale Plumbing and Sewer Service | 46 | 4.9★ (14) | 21 mi |
| 27 | McCoy Grading LLC | 46 | 5.0★ (5) | 18 mi |
| 28 | Cox Construction Services | 43 | 5.0★ (8) | 18 mi |
| 29 | Tractor Works LLC | 42 | 5.0★ (6) | 21 mi |
| 30 | Robert Spainhour Plumbing LLC | 41 | 5.0★ (3) | 21 mi |
Also serving Clemson
7 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 |
|---|---|---|
| Johnson & Johnson Grease Pit Cleaning | 3.0★ (2) | 16 mi |
| McCullough Contracting | 5.0★ (2) | 23 mi |
| Piedmont Sales | 4.0★ (1) | 24 mi |
| RW Grading | 20 mi | |
| United Rentals - Reliable Onsite Services | 3.0★ (2) | 18 mi |
| UP TOP SEPTIC | 8 mi | |
| Youngs Septic Services LLC | 20 mi |
How we ranked Clemson septic service companies
We scored 30 Clemson 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 Clemson 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 Clemson: frequently asked questions
Who is the best septic service company in Clemson?
By CR Score, the highest-ranked septic service company in Clemson, SC is Pump Monkey with a CR Score of 63/100. It has 5.0★ from 60 Google reviews. It is open 24/7. J septic services and drain feild replacement (#2) and A-1 Septic & Drain Field Repair, LLC (#3) follow. We ranked 30 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Clemson?
ContractorsRanked ranks 30 septic service companies serving Clemson, SC. 2 of them are based in Clemson; the rest serve it from nearby towns. Another 7 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Clemson are open 24/7?
16 ranked septic service companies in Clemson post 24/7 hours. The highest-ranked are Pump Monkey (#1), J septic services and drain feild replacement (#2) and A-1 Septic & Drain Field Repair, LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Clemson work on weekends?
18 of 30 ranked septic service companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Pump Monkey (#1), J septic services and drain feild replacement (#2) and A-1 Septic & Drain Field Repair, LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Clemson septic service companies have?
The median Google rating among 30 rated septic service companies in Clemson is 5.0★, with a median of 44 reviews. Roto-Rooter Plumbing & Drain Service has the most, 1,274 reviews, and ranks #6. 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 Clemson count in this ranking?
Yes, if they are within 25 mi of the Clemson 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 Clemson
- November 2026: CR Scores recalculated for 30 septic service companies serving Clemson.
More septic service companies and Clemson pages
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