60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Irmo, SC (2026)
16 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Irmo: Turd burglars, CR Score 60/100; 4.7★ from 35 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Palmetto septic solutions LLC, posts 24/7 hours; ranked #2 of 16.
- 3
Most-reviewed: Kay Plumbing, Heating & Cooling, 1,467 Google reviews at 4.7★, the most of 16 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Irmo septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 12 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 16 rated businesses.
Most of this list also appears on the Septic service companies in West Columbia ranking. See Septic service companies in West Columbia
Top 10 septic service companies in Irmo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Turd burglars | 60 | 4.7★ (35) | Irmo | 24/7 | Overall |
| 2 | Palmetto septic solutions LLC | 60 | 4.9★ (75) | West Columbia, 11 mi away | 24/7 | Emergencies |
| 3 | Kay Plumbing, Heating & Cooling | 58 | 4.7★ (1,467) | Lexington, 9 mi away | 24/7 | Most reviews |
| 4 | C.E. Taylor & Son Inc | 58 | 4.5★ (182) | Lexington, 11 mi away | Sat · Sun | — |
| 5 | WeCo Rooter | 57 | 4.8★ (366) | West Columbia, 9 mi away | 24/7 | — |
| 6 | M & E Septic Service | 56 | 3.9★ (45) | Columbia, 3 mi away | Sat · Sun · Evenings | — |
| 7 | Knight Septic Service LLC | 56 | 5.0★ (45) | Columbia, 16 mi away | Sat · Sun | — |
| 8 | Mr. Rooter Plumbing of Lexington | 55 | 4.9★ (229) | West Columbia, 7 mi away | Sat · Sun · Evenings | — |
| 9 | Barnhill's Services Inc. | 53 | 4.6★ (52) | Lexington, 9 mi away | — | — |
| 10 | PLD Outdoors | 52 | 5.0★ (10) | Columbia, 7 mi away | — | — |
The 16 best septic service companies in Irmo, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in West Columbia, 11 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 9 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 1,467 Google reviews, the most in Irmo.
Based in Lexington, 11 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.5★ from 182 Google reviews, listed on Google as “Septic system service”.
#5 WeCo Rooter
Based in West Columbia, 9 mi away
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 366 Google reviews.
Based in Columbia, 3 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.9★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 16 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in West Columbia, 7 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 229 Google reviews.
Based in Lexington, 9 mi away
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 52 Google reviews, listed on Google as “Septic system service”.
#10 PLD Outdoors
Based in Columbia, 7 mi away
52/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 10 mi away
51/100CR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 130 Google reviews.
Based in Columbia, 14 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.7★ from 55 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 12 mi away
49/100CR ScoreRanked #13 because of its Google rating and availability: 4.3★ from 13 Google reviews, open 24/7.
Based in Columbia, 16 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.6★ from 110 Google reviews, listed on Google as “Septic system service”.
Based in Cayce, 20 mi away
48/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Demolition contractor”.
Based in Columbia, 2 mi away
47/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Demolition contractor”.
How we ranked Irmo septic service companies
We scored 16 Irmo 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 Irmo 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 Irmo: frequently asked questions
Who is the best septic service company in Irmo?
By CR Score, the highest-ranked septic service company in Irmo, SC is Turd burglars with a CR Score of 60/100. It has 4.7★ from 35 Google reviews. It is open 24/7. Palmetto septic solutions LLC (#2) and Kay Plumbing, Heating & Cooling (#3) follow. We ranked 16 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Irmo?
ContractorsRanked ranks 16 septic service companies serving Irmo, SC. 1 of them is based in Irmo; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Irmo are open 24/7?
5 ranked septic service companies in Irmo post 24/7 hours. The highest-ranked are Turd burglars (#1), Palmetto septic solutions LLC (#2) and Kay Plumbing, Heating & Cooling (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Irmo work on weekends?
12 of 16 ranked septic service companies post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Turd burglars (#1), Palmetto septic solutions LLC (#2) and Kay Plumbing, Heating & Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Irmo septic service companies have?
The median Google rating among 16 rated septic service companies in Irmo is 4.7★, with a median of 54 reviews. Kay Plumbing, Heating & Cooling has the most, 1,467 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 Irmo count in this ranking?
Yes, if they are within 25 mi of the Irmo 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 Irmo
- November 2026: CR Scores recalculated for 16 septic service companies serving Irmo.
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