Licensed Septic Companies in Williamston, NC
5 septic companies serve Williamston, North Carolina, and 5 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 Williamston
Guides: Septic tank pumping · Septic system installation · Septic inspection · Drain field repair · Installation cost · Pumping cost
5 septic companies in Williamston
-
Bennie A Moore Septic Tank Services
1150 Eli Bowen Rd, Williamston, NC 27892 · Martin County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #6600 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #1016 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
From their website: Pumping · Installation · Inspection · Drain field · Grease traps
-
Dj Cook'S Plumbing LLC
Williamston, NC · Martin County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level II) · #9994 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation
-
Peele'S Backhoe & Septic Tank Ser
Williamston, NC · Martin County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #1151 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation · Inspection
-
Roberson Septic LLC
Williamston, NC · Martin County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV + Inspector) · #3365 (NC Onsite Wastewater Contractors & Inspectors Certification Board, verify)
Per state license: Installation · Inspection
-
The Roberson Company LLC
1834 Holly Springs Church Rd, Williamston, NC 27892 · Martin County
- Licensed: North Carolina Certified Onsite Wastewater (Septic) Installer (Level IV) · #5119 (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 Williamston 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 Williamston: common questions
How many licensed septic companies are in Williamston, NC?
5 septic companies serve Williamston, North Carolina, and 5 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 pump septic tanks in Williamston?
1 of the 5 listings in Williamston 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 Williamston?
5 listings in Williamston 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.