61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 114 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 Ladson, SC (2026)
19 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ladson: Knights Septic Tank Services, CR Score 61/100; 4.7★ from 114 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mr. Rooter Plumbing of Greater Charleston, posts 24/7 hours; ranked #2 of 19.
- 2
Most-reviewed: Mr. Rooter Plumbing of Greater Charleston, 958 Google reviews at 4.7★, the most of 19 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
19 Ladson septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 9 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.5★ across 19 rated businesses.
Top 10 septic service companies in Ladson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Knights Septic Tank Services | 61 | 4.7★ (114) | Summerville, 8 mi away | 24/7 | Overall |
| 2 | Mr. Rooter Plumbing of Greater Charleston | 60 | 4.7★ (958) | North Charleston, 5 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Pro Plumbing | 57 | 4.7★ (135) | Ladson | 24/7 | — |
| 4 | Benjamin Franklin Plumbing of Charleston | 55 | 4.6★ (353) | Charleston, 12 mi away | 24/7 | — |
| 5 | Palmetto Site Solutions, LLC | 53 | 4.9★ (32) | North Charleston, 13 mi away | — | — |
| 6 | Knight's Septic Tank Services | 53 | 4.9★ (16) | Moncks Corner, 16 mi away | — | — |
| 7 | United Rentals - Reliable Onsite Services | 52 | 4.0★ (4) | Ladson | — | — |
| 8 | A-1 Septic Tank Sewer Services | 51 | 2.0★ (3) | Summerville, 6 mi away | — | — |
| 9 | United Site Services | 50 | 2.7★ (7) | North Charleston, 11 mi away | Sat · Evenings | — |
| 10 | Knight's Companies | 50 | 3.3★ (16) | Summerville, 8 mi away | — | — |
The 19 best septic service companies in Ladson, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in North Charleston, 5 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 958 Google reviews, the most in Ladson.
Based on 8 of 10 factors; credentials and recency not yet collected.
#3 Pro Plumbing
Based in Ladson
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 135 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 12 mi away
55/100CR ScoreRanked #4 because of its Google rating and review volume: 4.6★ from 353 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Charleston, 13 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ 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 Moncks Corner, 16 mi away
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ladson
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Summerville, 6 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 2.0★ 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 North Charleston, 11 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Summerville, 8 mi away
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 3.3★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 20 mi away
50/100CR ScoreRanked #11 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 Charleston, 14 mi away
50/100CR ScoreRanked #12 because of its Google rating and availability: 4.5★ from 24 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Charleston, 11 mi away
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 2.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 14 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.6★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 17 mi away
49/100CR ScoreRanked #15 because of its Google rating and review volume: 4.6★ from 128 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Summerville, 4 mi away
48/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.3★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Charleston, 17 mi away
48/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Moncks Corner, 20 mi away
45/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Goose Creek, 9 mi away
44/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Ladson
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.
| Business | Google rating | Distance |
|---|---|---|
| Alpha Wastewater Solutions | 5.0★ (1) | 20 mi |
| Charleston Septic Tank Pumping Co | 13 mi | |
| Fain Septic Tank Services | 4.0★ (1) | 6 mi |
| H2O Pro Service, LLC | 9 mi | |
| Jackson Septic Tank & Construction | 5.0★ (1) | 12 mi |
| Palmetto Sewer and Drain Clearing | In Ladson | |
| R&G Plumbing & Sewer Services Inc. | 3.0★ (2) | 4 mi |
| Rickey's Trucking & Construction LLC. | 6 mi | |
| Septic Tank Repair Services | 4 mi | |
| Suburban Plumbing | 5 mi | |
| Timco Construction | 5.0★ (1) | 17 mi |
How we ranked Ladson septic service companies
We scored 19 Ladson 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 Ladson 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 Ladson: frequently asked questions
Who is the best septic service company in Ladson?
By CR Score, the highest-ranked septic service company in Ladson, SC is Knights Septic Tank Services with a CR Score of 61/100. It has 4.7★ from 114 Google reviews. It is open 24/7. Mr. Rooter Plumbing of Greater Charleston (#2) and Pro Plumbing (#3) follow. We ranked 19 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Ladson?
ContractorsRanked ranks 19 septic service companies serving Ladson, SC. 2 of them are based in Ladson; 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 Ladson are open 24/7?
5 ranked septic service companies in Ladson post 24/7 hours. The highest-ranked are Knights Septic Tank Services (#1), Mr. Rooter Plumbing of Greater Charleston (#2) and Pro Plumbing (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Ladson work on weekends?
9 of 19 ranked septic service companies post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Knights Septic Tank Services (#1), Mr. Rooter Plumbing of Greater Charleston (#2) and Pro Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ladson septic service companies have?
The median Google rating among 19 rated septic service companies in Ladson is 4.5★, with a median of 16 reviews. Mr. Rooter Plumbing of Greater Charleston has the most, 958 reviews, and ranks #2. 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 Ladson count in this ranking?
Yes, if they are within 25 mi of the Ladson 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 Ladson
- November 2026: CR Scores recalculated for 19 septic service companies serving Ladson.
More septic service companies and Ladson pages
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