Off-grid site report
Wake County, NC
35.7967, -78.8925 · 351 ft elevationRead this before you act on anything below. This is my researched starting point for Wake 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 rulesWake County, NC
Zoning & raw-land occupancy
Varies locallyWake County has no countywide zoning; the county's UDO covers only unincorporated areas, while land inside any of the 12 towns' limits or ETJ is governed by that town's own UDO instead. source
Dwellings, tiny homes & RVs
Unclear - verifyCounty pages cover manufactured home installation standards but no distinct Wake County rule on tiny houses or full-time RV living was found; it likely falls to state code and the applicable municipality's UDO. Confirm with Wake County Permits & Inspections or the relevant town. source
Building permits & codes
Generally allowedWake County (unincorporated) and municipalities issue building permits, often through the shared Permit Portal alongside wastewater and well permits, administered under state building code. source
Septic & composting toilets
Generally allowedWake County's Onsite Water Protection Division permits and inspects septic systems, layered on the state wastewater program, including newer hybrid permit types created under state law. Composting toilets are not separately addressed on the county's site. source
Greywater reuse
Unclear - verifyNo Wake County-specific greywater page was found; the state framework likely applies. Confirm with Onsite Water Protection.
Rainwater harvesting
Unclear - verifyNo Wake County ordinance addressing rainwater cisterns was found; the state framework likely governs. Confirm with county Permits & Inspections.
Private wells & water rights
Generally allowedWake County permits, inspects, and tests every new private well through its Onsite Water Protection Division, and maintains its own well ordinance (construction, wellhead, well interference) on top of state well law, with contractor registration and bonding requirements. source
Living disconnected from utilities
Unclear - verifyNo explicit ban on off-grid living was found, but Wake County requires an approved, tested well and an approved septic/wastewater system before it will issue a Certificate of Occupancy, which limits practical off-grid options for new construction.
Sun30-year normals
- Peak-sun hours, annual average
- 5.1 hrs/day
- Worst month (sizes an off-grid array)
- 3.8 hrs/day
- Yearly output per 1 kW of panels
- 1,399 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 47 in/yr
- Heating degree days
- 3,441 (moderate)
- Frost-free season
- Mar 31 to Nov 8
How far help isstraight-line
- Hospital
- none within range
- Fire station
Cary FD Station 8 - 1.2 mi
- Hardware store
Town & Country Hardware - 4.7 mi
- Grocery
Harris Teeter - 1.7 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 27519).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Wake 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.