59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 116 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 Aiken, SC (2026)
21 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Aiken: Bestway Septic Tank, CR Score 59/100; 4.8★ from 116 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Royal Flush Septic, posts 24/7 hours; ranked #2 of 21.
- 12
Most-reviewed: Universal Plumbing, 3,237 Google reviews at 4.9★, the most of 21 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Aiken septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 21 rated businesses.
Top 10 septic service companies in Aiken at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bestway Septic Tank | 59 | 4.8★ (116) | Augusta, 15 mi away | 24/7 | Overall |
| 2 | Royal Flush Septic | 59 | 4.9★ (8) | Aiken | 24/7 | Emergencies |
| 3 | Maxwells Plumbing & Drain | 58 | 4.9★ (584) | Evans, 23 mi away | 24/7 | — |
| 4 | A&A Septic Service | 58 | 4.9★ (131) | Aiken | — | — |
| 5 | Redline Septic Service | 57 | 4.4★ (48) | Aiken | — | — |
| 6 | Addie's Septic Tank Service | 57 | 3.8★ (66) | Aiken | Sat · Sun | — |
| 7 | Prosser's Septic Tank Service (Sand & Gravel) | 56 | 4.3★ (56) | Aiken | Sat | — |
| 8 | Affordable Plumbing, LLC | 56 | 4.6★ (165) | Aiken | 24/7 | — |
| 9 | Wally's Septic Service | 55 | 4.9★ (28) | Aiken | — | — |
| 10 | SandHills Land & Septic Services, LLC | 54 | 5.0★ (95) | Aiken | — | — |
The 21 best septic service companies in Aiken, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Aiken
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Evans, 23 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 584 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Aiken
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.8★ from 66 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.3★ 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 Aiken
56/100CR ScoreRanked #8 because of its Google rating and review volume: 4.6★ from 165 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Tree service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
52/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.7★ 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 Augusta, 19 mi away
52/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 3,237 Google reviews, the most in Aiken.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Augusta, 19 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.4★ from 90 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aiken
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.5★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinez, 24 mi away
51/100CR ScoreRanked #15 because of its Google rating and review volume: 4.7★ from 226 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Carolina Septic
Based in North Augusta, 15 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ 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 Augusta, 21 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.2★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Augusta, 16 mi away
50/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Aiken
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 34 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Augusta, 13 mi away
49/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinez, 21 mi away
48/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 123 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Aiken
6 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 |
|---|---|---|
| Aniderson Plumbing & Septic | In Aiken | |
| Corley's Septic and Sewer | 25 mi | |
| Craig’s septic solutions | 7 mi | |
| cut rate septic and drain | 5.0★ (2) | 18 mi |
| Septic Service Augusta | 5.0★ (1) | 23 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 18 mi |
How we ranked Aiken septic service companies
We scored 21 Aiken 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 Aiken 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 Aiken: frequently asked questions
Who is the best septic service company in Aiken?
By CR Score, the highest-ranked septic service company in Aiken, SC is Bestway Septic Tank with a CR Score of 59/100. It has 4.8★ from 116 Google reviews. It is open 24/7. Royal Flush Septic (#2) and Maxwells Plumbing & Drain (#3) follow. We ranked 21 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Aiken?
ContractorsRanked ranks 21 septic service companies serving Aiken, SC. 11 of them are based in Aiken; the rest serve it from nearby towns. Another 6 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Aiken are open 24/7?
7 ranked septic service companies in Aiken post 24/7 hours. The highest-ranked are Bestway Septic Tank (#1), Royal Flush Septic (#2) and Maxwells Plumbing & Drain (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Aiken work on weekends?
11 of 21 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Bestway Septic Tank (#1), Royal Flush Septic (#2) and Maxwells Plumbing & Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Aiken septic service companies have?
The median Google rating among 21 rated septic service companies in Aiken is 4.7★, with a median of 56 reviews. Universal Plumbing has the most, 3,237 reviews, and ranks #12. 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 Aiken count in this ranking?
Yes, if they are within 25 mi of the Aiken 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 Aiken
- November 2026: CR Scores recalculated for 21 septic service companies serving Aiken.
More septic service companies and Aiken pages
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