Licensed Septic Companies in Williamsburg County, SC
14 septic companies serve Williamsburg County, South Carolina, and 14 of them hold a South Carolina septic license or certification matched to the South Carolina Department of Environmental Services list (data as of October 2026).
Septic services in Williamsburg County
Guides: Septic tank pumping · Septic system installation · Installation cost · Pumping cost
14 septic companies in Williamsburg County
Kingstree 5
-
Britton Brothers LLC
25 Dutchneck Rd, Kingstree, SC 29556
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0483 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Britton Brothers LLC
25 Dutch Neck rd, Kingstree, SC 29556
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0769 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Fulton septic tank service
134 Memorial Drive, Kingstree, SC 29556
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0192 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping
-
Fulton'S Manuf & S/T Svc
134 Memorial Drive, Kingstree, SC 29556
- Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #45-366-45001 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Skye Construction
25 Dutch Neck Rd, Kingstree, SC 29556
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0447 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Hemingway 4
-
Buster Scott
2431 Hemingway Hwy, Hemingway, SC 29554
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0779 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Cooper & Sons Septic Tank Svc
1444 Old Georgetown Road, Hemingway, SC 29554
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #45-368-45006 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping
-
Low country septic systems
1370 saint James rd, Hemingway, SC 29554
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0415 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Stac
1744 Cow Head Rd, Hemingway, SC 29554
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0610 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Greeleyville 3
-
Boykin And Son
105 Golf Road, Greeleyville, SC 29056
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #45-367-45013 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
-
Boykin And Son
105 Golf Road, Greeleyville, SC 29056
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #45-368-45007 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping
-
Pipeworks Plumbing LLC
2237 Manning Hwy, Greeleyville, SC 29056
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0106 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Andrews 1
-
Edward D. Mitchum Sr LLC
1216 Wee Tee Rd, Andrews, SC 29510
- Licensed: South Carolina DES Licensed Septic Installer (Tier 1) · #OSWWI0700 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Lake City 1
-
John'S Farm Service
444 Canal Road, Lake City, SC 29560
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #45-367-45028 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in South Carolina
South Carolina licenses septic installers in three tiers and licenses pumpers; licenses renew yearly. State law (S.C. Code 30-2-50) bars using this data for commercial solicitation. The South Carolina Department of Environmental Services issues these credentials: Tier 1, Tier 2 and Tier 3 installer licenses; Pumper/hauler license.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Williamsburg County and whether the permit fee is in their quote.
South Carolina septic licensing: agencies, license types and how to check a license →
Septic companies in Williamsburg County: common questions
How many licensed septic companies are in Williamsburg County, SC?
14 septic companies serve Williamsburg County, South Carolina, and 14 of them hold a South Carolina septic license or certification matched to the South Carolina Department of Environmental Services list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in South Carolina?
South Carolina licenses septic installers in three tiers and licenses pumpers; licenses renew yearly. State law (S.C. Code 30-2-50) bars using this data for commercial solicitation. The licensing body is the South Carolina Department of Environmental Services.
Which companies pump septic tanks in Williamsburg County?
3 of the 14 listings in Williamsburg County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Williamsburg County?
11 listings in Williamsburg County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their South Carolina license.
How do I check a septic contractor's license in South Carolina?
Use the South Carolina Department of Environmental Services's lookup (https://scdes.maps.arcgis.com/apps/webappviewer/index.html?id=9585c719f5ea40e486f40e498a49dad3) and search the contractor's name or license number. Our guide to checking a septic license walks through it.