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Duplin County, North Carolina

Licensed Septic Companies in Duplin County, NC

30 septic companies serve Duplin County, North Carolina, and 30 of them hold a North Carolina septic license or certification matched to the NC Onsite Wastewater Contractors & Inspectors Certification Board list (data as of October 2026).

Septic services in Duplin County

Guides: Septic system installation · Septic inspection · Installation cost · Pumping cost

30 septic companies in Duplin County

Warsaw 7

  • Danny K Best Jr

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #5549 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation · Inspection

    (910) 271-0362

  • Flowtech Septic Solutions

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11387 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 271-0656

  • Jeffrey Stewart Grady

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #15312 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 271-0746

  • Kelvin Ramirez

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #15044 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 490-5366

  • Leon Price

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #14899 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (804) 761-2979

  • Mathis Masonry

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #6813 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 590-5065

  • Mathis Masonry

    Warsaw, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #6812 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 336-7095

Beulaville 4

  • Cypress Siteworks Inc

    Beulaville, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11021 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 290-0992

  • East Duplin Precast LLC

    394 NC-111 Hwy, Beulaville, NC 28518

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11953 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 284-0547 edhs.duplinschools.net

  • Gainus Lawn Maintenance

    105 Cedar Ave, Beulaville, NC 28443

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11864 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 382-2669 gainuslawn.com

  • M & C Septic Tank Service Inc

    Beulaville, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #1214 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation · Inspection

    (919) 296-3226

Wallace 4

  • Joshua Fulton

    Wallace, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #14354 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (252) 470-1689

  • Michael Blackburn

    Wallace, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #5151 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 285-4088

  • Riverside Septic LLC

    168 Norwood Blanchard Rd, Wallace, NC 28466

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #7234 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 333-3483 riversidesand.com

  • Victoria'S Irrigation Systems LLC

    Wallace, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #15291 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (703) 919-6374

Chinquapin 3

  • Trevor Wargo

    Chinquapin, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11956 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (337) 287-0924

  • Whaley Onsite

    Chinquapin, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #2010 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 285-2012

  • Whaley Onsite LLC

    Chinquapin, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #6649 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 271-0336

Mount Olive 3

  • M P H Driveways & Septic Tanks Inc

    Mount Olive, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Inspector · #13059I (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Inspection

    (919) 658-5170

  • Mph Driveways & Septic Tanks Inc

    Mount Olive, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #4992 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation · Inspection

    (919) 252-0316

  • Y And G Septics

    Mount Olive, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #9853 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (919) 252-2641

Magnolia 2

  • Dobson Septic Tank

    Magnolia, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #1980 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 296-4620

  • Dobson'S Septic Tank

    Magnolia, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #1979 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 296-1434

Albertson 1

  • Czls Skyscraper Waterproofing

    Albertson, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #11497 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (919) 738-4483

Beaulaville 1

  • Enc Septic Services

    Beaulaville, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11690 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 296-3410

Calypso 1

  • Ramfam Builders LLC

    Calypso, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #11026 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 385-7680

Chinaquapin 1

  • Janie Wargo

    Chinaquapin, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #11955 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation · Inspection

    (337) 764-0353

Mt Olive 1

  • Brogden Contractor Services

    Mt Olive, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #11752 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (919) 222-4299

Pink Hill 1

  • Mobile Service Of Beulaville

    Pink Hill, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #3011 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 290-0248

Rose Hill 1

  • Hall'S Services LLC

    Rose Hill, NC

    • Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #15318 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)

    Per state license: Installation

    (910) 271-5622

Septic licensing in North Carolina

North Carolina certifies onsite wastewater installers by grade and certifies inspectors; the board publishes its certification list. The NC Onsite Wastewater Contractors & Inspectors Certification Board issues these credentials: Grade Level II installer; Grade Level IV installer; Point-of-sale inspector.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Duplin County and whether the permit fee is in their quote.

North Carolina septic licensing: agencies, license types and how to check a license →

Septic companies in Duplin County: common questions

How many licensed septic companies are in Duplin County, NC?

30 septic companies serve Duplin County, North Carolina, and 30 of them hold a North Carolina septic license or certification matched to the NC Onsite Wastewater Contractors & Inspectors Certification Board 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 North Carolina?

North Carolina certifies onsite wastewater installers by grade and certifies inspectors; the board publishes its certification list. The licensing body is the NC Onsite Wastewater Contractors & Inspectors Certification Board.

Which companies install septic systems in Duplin County?

29 listings in Duplin County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their North Carolina license.

How do I check a septic contractor's license in North Carolina?

Use the NC Onsite Wastewater Contractors & Inspectors Certification Board's lookup (https://ncowcicb.info/certification-list/) and search the contractor's name or license number. Our guide to checking a septic license walks through it.