738 directory listings across 91 counties
Installing a new septic system in North Carolina requires a permit from the county environmental health department, which operates under NCDENR guidelines. A certified soil scientist must first perform a site evaluation, including perk tests and soil borings, to determine which system type the lot can support. Conventional gravity systems are the most affordable option, while engineered systems — including low-pressure pipe, drip irrigation, or advanced pretreatment units — are required on sites with challenging soil or terrain.
Conventional septic installation in NC runs $3,000–$8,000, covering the tank, drain field, and basic labor. Engineered systems can exceed $15,000 depending on complexity. Mountain properties with steep grades and shallow bedrock often require pressure-dosed systems or multiple drain field trenches cut into hillsides. Coastal Plain sites near the Outer Banks or tidal rivers may need raised sand mound systems to keep components above the seasonal high water table.
Piedmont clay soils typically require larger drain fields because the soil's slow percolation rate limits how quickly effluent can absorb. Homeowners building on undeveloped lots should budget for the site evaluation ($400–$800) in addition to the installation itself. County permit fees range from $200–$500, and most jurisdictions require a final inspection before the system can be covered and put into service.
Buncombe County
42 listings
Wake County
28 listings
Henderson County
27 listings
Davidson County
21 listings
Alamance County
19 listings
Johnston County
19 listings
Ashe County
17 listings
McDowell County
17 listings
Forsyth County
16 listings
Madison County
16 listings
Watauga County
16 listings
Catawba County
14 listings
Iredell County
14 listings
Brunswick County
13 listings
Burke County
13 listings
Cabarrus County
13 listings
Haywood County
13 listings
Stanly County
13 listings
Carteret County
12 listings
Jackson County
12 listings
Onslow County
12 listings
Transylvania County
12 listings
Cherokee County
11 listings
Lincoln County
11 listings
Macon County
11 listings
Avery County
10 listings
Dare County
10 listings
Gaston County
10 listings
Harnett County
10 listings
Randolph County
10 listings
Alexander County
9 listings
Guilford County
9 listings
Moore County
9 listings
Rutherford County
9 listings
Union County
9 listings
Bladen County
8 listings
Clay County
8 listings
Cleveland County
8 listings
Davie County
8 listings
Franklin County
8 listings
Rowan County
8 listings
Stokes County
8 listings
Chatham County
7 listings
Craven County
7 listings
Hoke County
7 listings
Pender County
7 listings
Yancey County
7 listings
Cumberland County
6 listings
Granville County
6 listings
New Hanover County
6 listings
Person County
6 listings
Rockingham County
6 listings
Wayne County
6 listings
Anson County
5 listings
Mitchell County
5 listings
Nash County
5 listings
Polk County
5 listings
Wilson County
5 listings
Bertie County
4 listings
Caldwell County
4 listings
Sampson County
4 listings
Scotland County
4 listings
Swain County
4 listings
Wilkes County
4 listings
Yadkin County
4 listings
Chowan County
3 listings
Currituck County
3 listings
Edgecombe County
3 listings
Greene County
3 listings
Orange County
3 listings
Pamlico County
3 listings
Pitt County
3 listings
Surry County
3 listings
Columbus County
2 listings
Durham County
2 listings
Hertford County
2 listings
Lee County
2 listings
Martin County
2 listings
Mecklenburg County
2 listings
Northampton County
2 listings
Pasquotank County
2 listings
Richmond County
2 listings
Alleghany County
1 listing
Beaufort County
1 listing
Camden County
1 listing
Duplin County
1 listing
Jones County
1 listing
Robeson County
1 listing
Tyrrell County
1 listing
Vance County
1 listing
Warren County
1 listing
North Carolina requires licensing for septic system contractors and well drillers to protect public health and the environment. A listing does not establish that a business meets those requirements. Confirm current licensing, insurance, and scope of work with the business and issuing authority before hiring.
state-guideWhat size septic tank do you need in NC? Use our guide to find the right tank capacity based on bedrooms, household size, and NC regulations.
cost-guideSeptic installation cost south carolina ranges from $4,000 to $30,000. Full 2026 breakdown by system type, region, and lot factors.
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