Off-grid site report
Guilford County, NC
35.9864, -79.7790 · 853 ft elevationRead this before you act on anything below. This is my researched starting point for Guilford 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 rulesGuilford County, NC
Zoning & raw-land occupancy
Varies locallyGuilford County's UDO, adopted by the county in 2020, governs zoning only in unincorporated areas outside municipal ETJs; land inside any town or city runs on that municipality's own zoning ordinance instead. source
Dwellings, tiny homes & RVs
Generally allowedThe county's Inspections Department requires accessory dwelling units and manufactured homes to meet the NC Residential Code, with zoning approval and a Certificate of Occupancy required before move-in; tiny house/RV specifics beyond state Appendix Q were not separately confirmed. source
Building permits & codes
Generally allowedGuilford County Inspections Department issues permits for unincorporated areas and, by contract, for several towns (Jamestown, Oak Ridge, Pleasant Garden, Sedalia, Stokesdale, Summerfield, Whitsett) and PTAA; some towns require their own clearance first, and Greensboro/High Point run independent building departments. source
Septic & composting toilets
Generally allowedSeptic systems require permitting through the Guilford County Division of Public Health's Environmental Health section countywide, following an Improvement Permit process; composting toilet rules specifically were not confirmed at the county level. source
Greywater reuse
Unclear - verifyNo official Guilford County page addressing greywater reuse was found; the state's regulatory framework is presumed to apply as the baseline. Confirm directly with county Environmental Health.
Rainwater harvesting
Unclear - verifyNo Guilford County ordinance specifically addressing household rainwater harvesting or cisterns was located; the county's Watershed Protection program covers stormwater and floodplain issues instead, which is a separate matter. source
Private wells & water rights
Generally allowedGuilford County has adopted its own Well Rules layered on top of state well-construction standards, and well permits are issued by the county's Water Quality Program within Public Health; state agencies must resolve any conflicts via variance first. source
Living disconnected from utilities
Unclear - verifyNo standalone county ordinance banning off-grid living from public utilities was found, but a Certificate of Occupancy, which depends on approved septic/well systems, is required before anyone can legally occupy a home, effectively requiring equivalent systems to be in place.
Sun30-year normals
- Peak-sun hours, annual average
- 5.0 hrs/day
- Worst month (sizes an off-grid array)
- 3.8 hrs/day
- Yearly output per 1 kW of panels
- 1,425 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 42 in/yr
- Snowfall
- 8 in/yr
- Heating degree days
- 3,617 (moderate)
- Frost-free season
- Apr 2 to Nov 4
How far help isstraight-line
- Hospital
Fellowship Hall - 11.5 mi
- Fire station
Alamance Community Fire Department - 4.6 mi
- Hardware store
Architectural Salvage of Greensboro - 7.0 mi
- Grocery
ALDI - 2.5 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 27406).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Guilford 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.