63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 113 Google reviews, the most in Hilton Head Island.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Hilton Head Island, SC (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Hilton Head Island: Septic Works of the Lowcountry, CR Score 63/100; 4.9★ from 113 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Fireline Septic Services LLC, posts 24/7 hours; ranked #2 of 15.
- 6
Most-reviewed: Reliable Septic Services Inc., 88 Google reviews at 4.9★, the most of 15 ranked after Septic Works of the Lowcountry; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Hilton Head Island septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 7 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
Top 10 septic service companies in Hilton Head Island at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Septic Works of the Lowcountry | 63 | 4.9★ (113) | Savannah, 18 mi away | 24/7 | Overall |
| 2 | Fireline Septic Services LLC | 62 | 5.0★ (46) | Savannah, 16 mi away | 24/7 | Emergencies |
| 3 | Collins Septic Tank Service Inc | 61 | 4.9★ (30) | Bluffton, 14 mi away | 24/7 | — |
| 4 | Degler Waste Services | 60 | 4.3★ (42) | Hilton Head Island | Sat | — |
| 5 | Riverside Land Group | 58 | 5.0★ (4) | Hilton Head Island | 24/7 | — |
| 6 | Reliable Septic Services Inc. | 58 | 4.9★ (88) | Savannah, 24 mi away | Sat | Most reviews |
| 7 | Landon's Backhoe and Septic | 55 | 4.6★ (48) | Beaufort, 19 mi away | — | — |
| 8 | Olde Savannah Septic Services | 55 | 5.0★ (32) | Savannah, 20 mi away | — | — |
| 9 | Washington Septic Tank Services | 54 | 4.7★ (54) | Beaufort, 17 mi away | — | — |
| 10 | Elite Septic Solutions | 54 | 5.0★ (11) | Savannah, 13 mi away | — | — |
The 15 best septic service companies in Hilton Head Island, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Savannah, 16 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bluffton, 14 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilton Head Island
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.3★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilton Head Island
58/100CR ScoreRanked #5 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 Savannah, 24 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaufort, 19 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Savannah, 20 mi away
55/100CR ScoreRanked #8 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 Beaufort, 17 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 54 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Savannah, 13 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaufort, 15 mi away
51/100CR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 68 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaufort, 23 mi away
47/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Savannah, 19 mi away
47/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Burton, 23 mi away
47/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 11 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaufort, 17 mi away
44/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Hilton Head Island
3 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 |
|---|---|---|
| AUE Land | 5.0★ (1) | 14 mi |
| B&B Plumbing Heating & Air | 4.0★ (1) | 17 mi |
| Plumbing Central | 19 mi |
How we ranked Hilton Head Island septic service companies
We scored 15 Hilton Head Island 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 Hilton Head Island 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 Hilton Head Island: frequently asked questions
Who is the best septic service company in Hilton Head Island?
By CR Score, the highest-ranked septic service company in Hilton Head Island, SC is Septic Works of the Lowcountry with a CR Score of 63/100. It has 4.9★ from 113 Google reviews. It is open 24/7. Fireline Septic Services LLC (#2) and Collins Septic Tank Service Inc (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Hilton Head Island?
ContractorsRanked ranks 15 septic service companies serving Hilton Head Island, SC. 2 of them are based in Hilton Head Island; the rest serve it from nearby towns. Another 3 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Hilton Head Island are open 24/7?
4 ranked septic service companies in Hilton Head Island post 24/7 hours. The highest-ranked are Septic Works of the Lowcountry (#1), Fireline Septic Services LLC (#2) and Collins Septic Tank Service Inc (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Hilton Head Island work on weekends?
7 of 15 ranked septic service companies post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are Septic Works of the Lowcountry (#1), Fireline Septic Services LLC (#2) and Collins Septic Tank Service Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Hilton Head Island septic service companies have?
The median Google rating among 15 rated septic service companies in Hilton Head Island is 4.9★, with a median of 32 reviews. Septic Works of the Lowcountry has the most, 113 reviews, and ranks #1. 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 Hilton Head Island count in this ranking?
Yes, if they are within 25 mi of the Hilton Head Island 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 Hilton Head Island
- November 2026: CR Scores recalculated for 15 septic service companies serving Hilton Head Island.
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