The Septic GuideLicensed septic pros
List Your Business
Union County, South Carolina

Licensed Septic Companies in Union County, SC

16 septic companies serve Union County, South Carolina, and 16 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 Union County

Guides: Septic tank pumping · Septic system installation · Installation cost · Pumping cost

16 septic companies in Union County

Union 8

  • 29:11 Construction LLC

    871 Kelly Rd, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0063 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 466-7170

  • Ivey Septic

    412 Browns Creek Church Rd, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44057 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #44-368-44008 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping · Installation

    (864) 426-6996

  • MAC Mechanical & Construction, LLC

    209A N Duncan Byp, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0332 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 441-2219

  • Owenby Construction

    265 Vernon Foster Rd, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0217 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 520-6099

  • Smith Septic Tank Service

    420 Santuc Drive, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #44-368-44005 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (864) 427-4079

  • Smith'S Farm

    420 Santuc Drive, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44028 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 429-6100

  • Sweetwater Grading Solutions

    126 Pine Ln, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44056 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 426-0022

  • John L Ward

    1578 Santuc-Carlisle Hwy, Union, SC 29379

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44031 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    No phone on the state list

Buffalo 4

  • C & S Septic

    185 Bailey Rd, Buffalo, SC 29321

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0060 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 426-5980

  • C&R unlimited

    132 Antioch Drive, Buffalo, SC 29321

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0353 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 466-5526

  • Lawson Clearing And Grading

    194 Putman Rd, Buffalo, SC 29321

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0025 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 384-4660

  • Michael Copeland

    151 Bailey Rd, Buffalo, SC 29321

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0039 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 426-7996

Jonesville 3

  • Brad Freeman

    2922 Furman Fendley Hwy, Jonesville, SC 29353

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44058 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 251-0357

  • Ray Lemons Bull Dozing

    140 Robinson Farm Road, Jonesville, SC 29353

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #44-367-44045 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 674-5512

  • Sms Dirtwork LLC

    139 Spears Farm Rd, Jonesville, SC 29353

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0062 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (901) 572-5411

Lockhart 1

  • Shane's Services, LLC

    411 Mill St, Lockhart, SC 29364

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0648 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (864) 251-7098

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 Union 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 Union County: common questions

How many licensed septic companies are in Union County, SC?

16 septic companies serve Union County, South Carolina, and 16 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 Union County?

2 of the 16 listings in Union 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 Union County?

15 listings in Union 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.