Licensed Septic Companies in Four Oaks, NC
9 septic companies serve Four Oaks, North Carolina, and 9 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).
9 septic companies in Four Oaks
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Alpha Plumbing & Services LLC
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #9637 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Asc Constructin LLC
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #11998 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Boswells Lawn Service
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #15090 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Capps Plumbing Company Inc
5586 U.S. Hwy 301 S, Four Oaks, NC 27524 · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #14953 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #14741 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Coty Lewis
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #14652 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Cox Hauling & Grading LLC
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #11860 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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Ebg Inc
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #5907 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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L I Johnson Inc
785 Gardner Rd, Four Oaks, NC 27524 · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #1222 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
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L I Johnson Plumbing & Backhoe
Four Oaks, NC · Johnston County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #6440 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
No listings match those filters.
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 Four Oaks 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 Four Oaks: common questions
How many licensed septic companies are in Four Oaks, NC?
9 septic companies serve Four Oaks, North Carolina, and 9 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 Four Oaks?
9 listings in Four Oaks 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.