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Dorchester County, South Carolina

Licensed Septic Companies in Dorchester County, SC

24 septic companies serve Dorchester County, South Carolina, and 23 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 Dorchester County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Drain field repair · Aerobic septic systems · Installation cost · Pumping cost

24 septic companies in Dorchester County

Summerville 10

  • 3Tt Coastal Consulting LLC

    105 Proprietors Lane, Summerville, SC 29485

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #18-367-18068 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 217-0657

  • Ameri-cans

    282 Thorpe st, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0119 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (571) 540-2496

  • Knights Septic Tank

    288 Hodge Rd, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #18-366-18001 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #18-366-18002 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 873-3930

  • Moreland Land Services LLC

    Po Box 1116, Summerville, SC 29484

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0191 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 609-6094

  • Oscar P Black Jr

    135 Columns Road, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #18-367-18053 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 871-4701

  • Piedmont Plumbers of Charleston

    311 Winningham Rd, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0325 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 376-0995

  • Storehouse Plumbing LLC

    311 King Charles Cir, Summerville, SC 29485

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0864 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (704) 980-7629

  • The Flush Crew Co

    321 E Shepard Ln, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0147 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 270-4541

  • TWO-TAC, LLC dba AMERI-CANS

    282 Thorpe Rd, Summerville, SC 29483

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0071 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (571) 202-1469

  • Knights Septic Tank Services

    288 Hodge Rd, Summerville, SC 29483

    From their website: Pumping · Installation · Inspection · Drain field · Aerobic systems · Perc testing · Grease traps

    (843) 747-0737 knightscompanies.com

Ridgeville 4

  • Mechanical Contractor Services llc

    178 Campbell rd, Ridgeville, SC 29472

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0664 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 494-1016

  • Rainbow Contracting LLC

    935 Ridge Rd, Ridgeville, SC 29472

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0593 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 996-0098

  • Rainbow Contracting LLC

    935 Ridge Rd, Ridgeville, SC 29472

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0594 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 666-1036

  • Walker And Sons

    519 Haven Rd, Ridgeville, SC 29472

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #18-366-18004 (South Carolina Department of Environmental Services, verify)
    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #18-366-18003 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 532-4036

Harleyville 2

  • Herndon's Services LLC

    1091 E Main St, Harleyville, SC 29448

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #OSWWI0454 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 810-4594

  • Ziggys Elite Services

    138 Nathaniel ln, Harleyville, SC 29448

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0704 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (803) 682-2167

North Charleston 2

  • Access Portable Toilets

    3753 Ashley Phosphate Rd, North Charleston, SC 29418

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #10-368-10022 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 824-2954

  • McCrays Services

    8475 Scotts Mill Drive, North Charleston, SC 29420

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0372 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 534-7460

Saint George 2

  • E. L. Jackson Construction Inc

    1577 Hwy 15 South, Saint George, SC 29477

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #18-367-18066 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 200-3795

  • Felder Construction

    195 Coosenberry Road, Saint George, SC 29477

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #18-367-18058 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 563-3493

Dorchester 1

  • P.H. Padgett Construction LLC

    224 Thomas Kate Rd, Dorchester, SC 29437

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 3) · #OSWWI0034 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 909-9990

Ladson 1

  • Tracena Simmons

    9698 Patriot Blvd, Ladson, SC 29456

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0810 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 499-5845

Reevesvilles 1

  • Sidework Land Clearing & Septic

    7481 Dorange Rd, Reevesvilles, SC 29471

    • Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #18-367-18065 (South Carolina Department of Environmental Services, verify)

    Per state license: Installation

    (843) 209-5126

St. George 1

  • Backwoods Portalet Rentals LLC

    283 Bluebird Trl, St. George, SC 29477

    • Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #18-368-18044 (South Carolina Department of Environmental Services, verify)

    Per state license: Pumping

    (843) 563-7729

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 Dorchester 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 Dorchester County: common questions

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

24 septic companies serve Dorchester County, South Carolina, and 23 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 Dorchester County?

6 of the 24 listings in Dorchester 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 Dorchester County?

19 listings in Dorchester 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.