Off-grid site report
Duplin County, NC
34.7408, -77.9703 · 56 ft elevationRead this before you act on anything below. This is my researched starting point for Duplin County, NC, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.
The local rulesDuplin County, NC
Zoning & raw-land occupancy
Varies locallyDuplin County has no countywide zoning; unincorporated land outside town limits is unzoned, but county land-use ordinances (subdivision, mobile home park, floodplain) still apply. Towns and their ETJs set their own zoning that can override this. source
Dwellings, tiny homes & RVs
Generally allowedManufactured/modular homes need septic approval from Environmental Health plus a town zoning permit (if in a municipality/ETJ) or county plan review otherwise. No Duplin-specific tiny home rule found; assume state Appendix Q applies. source
Building permits & codes
Generally allowedDuplin County Building Inspections enforces the NC State Building Code and requires permits for building, electrical, mechanical and plumbing work, plus an approved septic plan and 911 address. source
Septic & composting toilets
Generally allowedDuplin County Environmental Health evaluates soil, permits septic systems, and requires a final inspection before issuing an operation permit. Composting toilets aren't separately addressed at the county level, so state rules apply. source
Greywater reuse
Unclear - verifyNo Duplin County ordinance on greywater reuse was found; this is not confirmed locally, so ask Environmental Health and treat the state baseline as controlling.
Rainwater harvesting
Unclear - verifyNo Duplin County page addresses rainwater harvesting specifically; not confirmed locally, presumed to follow the state's generally permissive rainwater law.
Private wells & water rights
Generally allowedDuplin County has its own well ordinance requiring Environmental Health approval of well siting and a post-drilling grouting inspection, on top of state well construction standards. The county also lies in a state Capacity Use Area affecting large-volume withdrawals. source
Living disconnected from utilities
Unclear - verifyNo county ordinance explicitly bans full off-grid utility disconnection, but Duplin County's permitting process functionally requires an approved septic/well setup before a dwelling can be legally occupied. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.2 hrs/day
- Worst month (sizes an off-grid array)
- 3.6 hrs/day
- Yearly output per 1 kW of panels
- 1,454 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 54 in/yr
- Heating degree days
- 2,999 (mild)
How far help isstraight-line
- Hospital
Pender Medical Center - 13.5 mi
- Fire station
North East Volunteer Fire Department - 4.4 mi
- Hardware store
L L Building Products / GAF - 13.0 mi
- Grocery
Walmart Supercenter - 0.1 mi
From OpenStreetMap. Road miles will be longer, often much longer in hill country.
Plan this spot
These open with this location's real numbers already filled in (ZIP 28466).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Duplin County, NC?The rules above are the jurisdiction. The land check runs the parcel itself: flood zone, soils and septic suitability, wetlands, slope, access, climate, and these verdicts, from a parcel number or coordinates.
Check a parcel →Share or save this report:New report
Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.
New here, or not sure where this fits? Start here walks through the whole thing in order.