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Best Septic Service Companies in Columbia, SC (2026)

20 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Columbia: Palmetto septic solutions LLC, CR Score 60/100; 4.9★ from 75 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Superior Vac & Septic, LLC, posts 24/7 hours; ranked #3 of 20.

  3. 6

    Most-reviewed: Kay Plumbing, Heating & Cooling, 1,467 Google reviews at 4.7★, the most of 20 ranked; ranked #6.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

20 Columbia septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 14 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.7★ across 20 rated businesses.

Top 10 septic service companies in Columbia at a glance

Top 10 septic service companies in Columbia at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Palmetto septic solutions LLC604.9★ (75)West Columbia, 8 mi away24/7Overall
2Knight Septic Service LLC605.0★ (45)ColumbiaSat · Sun—
3Superior Vac & Septic, LLC595.0★ (272)Lugoff, 25 mi away24/7Emergencies
4WeCo Rooter584.8★ (366)West Columbia, 2 mi away24/7—
5J G's Septic Tank Service584.8★ (20)Columbia24/7—
6Kay Plumbing, Heating & Cooling584.7★ (1,467)Lexington, 11 mi away24/7Most reviews
7Turd burglars584.7★ (35)Irmo, 11 mi away24/7—
8C.E. Taylor & Son Inc584.5★ (182)Lexington, 12 mi awaySat · Sun—
9M & E Septic Service573.9★ (45)ColumbiaSat · Sun · Evenings—
10Mr. Rooter Plumbing of Lexington564.9★ (229)West Columbia, 4 mi awaySat · Sun · Evenings—

The 20 best septic service companies in Columbia, 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.

  4. #4 WeCo Rooter

    Based in West Columbia, 2 mi away

    58/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.8★ from 366 Google reviews.

    • 4.8★ from 366 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1020 Leaphart St, West Columbia, SC 29169
    View profile for WeCo Rooter(803) 999-9326

  7. #7 Turd burglars

    Based in Irmo, 11 mi away

    58/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.

    • 4.7★ from 35 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    218 London Pride Rd, Irmo, SC 29063
    View profile for Turd burglars(803) 876-1608

  8. #8 C.E. Taylor & Son Inc

    Based in Lexington, 12 mi away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.5★ from 182 Google reviews, listed on Google as “Septic system service”.

    • 4.5★ from 182 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun 9 AM–4 PM
    Address
    128 Taylor Ln, Lexington, SC 29073
    View profile for C.E. Taylor & Son Inc(803) 359-6163

  12. #12 PLD Outdoors

    Based in Columbia

    54/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    View profile for PLD Outdoors(803) 206-4364

  13. #13 Barnhill's Services Inc.

    Based in Lexington, 11 mi away

    53/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 52 Google reviews, listed on Google as “Septic system service”.

    • 4.6★ from 52 Google reviews
    Hours
    Mon–Thu 7:30 AM–4:30 PM · Fri 8 AM–1 PM · Sat–Sun closed
    Address
    1022 Two Notch Rd, Lexington, SC 29073
    View profile for Barnhill's Services Inc.(803) 618-3600

  19. #19 FJ Rabon Construction

    Based in Lugoff, 25 mi away

    48/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Septic system service”.

    • 4.4★ from 27 Google reviews
    Hours
    Mon–Fri 7 AM–3 PM · Sat–Sun closed
    Address
    250 Kinard Rd, Lugoff, SC 29078
    View profile for FJ Rabon Construction(803) 438-1075

  20. #20 Noel Construction

    Based in Columbia

    47/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Demolition contractor”.

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    20 Surrey Ct, Columbia, SC 29212
    View profile for Noel Construction(803) 309-6816

Also serving Columbia

11 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.

Unranked septic service companies serving Columbia
BusinessGoogle ratingDistance
1st Choice Plumbing & Gas LLC12 mi
Bushwacker Land Improvements5.0★ (2)2 mi
Columbia Septic CompanyIn Columbia
E & D Enterprises Inc3.1★ (20)In Columbia
Eargle's Septic and Backhoe Service5.0★ (1)In Columbia
Grading & Gravel Driveway Co. - Columbia, SC4.8★ (21)In Columbia
Leaks Plumbing Services LLC5.0★ (10)In Columbia
M & E Septic Tank Services & ConstructionIn Columbia
Mid-Carolina Construction5.0★ (2)18 mi
Multi-Flow Sewer & Drain3 mi
WeCo Rooter14 mi

How we ranked Columbia septic service companies

We scored 20 Columbia 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Columbia data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Columbia: frequently asked questions

Who is the best septic service company in Columbia?

By CR Score, the highest-ranked septic service company in Columbia, SC is Palmetto septic solutions LLC with a CR Score of 60/100. It has 4.9★ from 75 Google reviews. It is open 24/7. Knight Septic Service LLC (#2) and Superior Vac & Septic, LLC (#3) follow. We ranked 20 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Columbia?

ContractorsRanked ranks 20 septic service companies serving Columbia, SC. 8 of them are based in Columbia; the rest serve it from nearby towns. Another 11 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Columbia are open 24/7?

7 ranked septic service companies in Columbia post 24/7 hours. The highest-ranked are Palmetto septic solutions LLC (#1), Superior Vac & Septic, LLC (#3) and WeCo Rooter (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Columbia work on weekends?

14 of 20 ranked septic service companies post Saturday hours and 11 post Sunday hours. The highest-ranked open Saturdays are Palmetto septic solutions LLC (#1), Knight Septic Service LLC (#2) and Superior Vac & Septic, LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Columbia septic service companies have?

The median Google rating among 20 rated septic service companies in Columbia is 4.7★, with a median of 49 reviews. Kay Plumbing, Heating & Cooling has the most, 1,467 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 Columbia count in this ranking?

Yes, if they are within 25 mi of the Columbia 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 Columbia

  1. November 2026: CR Scores recalculated for 20 septic service companies serving Columbia.

More septic service companies and Columbia pages

Other trades in Columbia