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Darlington County, South Carolina

Licensed Septic Companies in Darlington County, SC

22 septic companies serve Darlington County, South Carolina, and 22 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 Darlington County

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

22 septic companies in Darlington County

Hartsville 12

  • All American Sept & Pumping Svc

    2057 Patrick Hwy, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #13-367-13075 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #13-368-13014 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping · Installation

    (843) 861-8154

  • Anderson Plumbing and Industrial, Inc.

    Po Box 748, Hartsville, SC 29551

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0503 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 858-1619

  • Anderson Plumbing and Industrial, Inc.

    Po Box 748, Hartsville, SC 29551

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0505 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0511 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #OSWWI0411 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 332-5854

  • Buster'S Backhoe Svc

    1352 Lakeview Blvd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16063 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 858-1276

  • Crowley'S Plumbing Inc

    137 East Old Camden Road, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16007 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 332-9051

  • Double F septic llc

    1598 Ruby Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 1) · #OSWWI0471 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 309-5675

  • Evans Landscaping

    4028 N Center Road, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16010 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 621-0133

  • Jimmy M Munn Septic Tank Serv

    2652 New Market Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16021 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 621-6161

  • Jordan Site & Septic LLC

    1441 Burnt Branch Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 1) · #OSWWI0742 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 858-4925

  • Wilson Septic Tank Service

    3041 Underground Branch Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16067 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 332-3815

  • Wilson Septic Tank Service

    3041 Underground Branch Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #16-368-16021 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 307-4130

  • X-Works

    2061 W Old Camden Rd, Hartsville, SC 29550

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0240 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 307-5268

Darlington 4

  • Carolina Earthworks Of Pee Dee

    503 Lamar Hwy, Darlington, SC 29532

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #16-366-16001 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #16-368-16022 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping · Installation

    (843) 858-6943

  • Cotton Landscaping & S/T

    725 Wire Rd, Darlington, SC 29532

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16005 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 910-4080

  • CS septic & services

    957 Potato House Rd, Darlington, SC 29532

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0592 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 617-2763

  • Driggers Enterprises

    2527 Syracuse Community Rd, Darlington, SC 29532

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0747 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 601-6180

Florence 4

  • Green Port-A-Jon Service LLC

    3525 Cherrywood Road, Florence, SC 29501

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #16-368-16023 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 319-0278

  • Heath'S Septic

    1716 E Mciver Rd, Florence, SC 29501

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #16-366-16003 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 609-7703

  • Sellers Septic

    1716 Mciver Rd, Florence, SC 29501

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #16-366-16002 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (842) 669-7703

  • Sellers Septic Tank Service

    1716 East Mciver Road, Florence, SC 29501

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #16-368-16010 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 669-7703

Lamar 2

  • HB Septic Solutions

    914 Windham Town Rd, Lamar, SC 29069

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0476 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0196 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping · Installation

    (843) 453-6580

  • Smith'S Septic Tank LLC

    428 Bosmith Road, Lamar, SC 29069

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #16-367-16027 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #16-368-16008 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping · Installation

    (843) 326-5825

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 Darlington 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 Darlington County: common questions

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

22 septic companies serve Darlington County, South Carolina, and 22 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 Darlington County?

7 of the 22 listings in Darlington 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 Darlington County?

19 listings in Darlington 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.