Off-grid site report
Caldwell County, NC
35.9281, -81.5276 · 1,165 ft elevationRead this before you act on anything below. This is my researched starting point for Caldwell 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 rulesCaldwell County, NC
Zoning & raw-land occupancy
RestrictedCaldwell County has countywide zoning administered by the Planning Department, covering all unincorporated land; incorporated towns (Lenoir, Hudson, Granite Falls, Rhodhiss, Cajah's Mountain) and their ETJs use their own zoning instead. Bona fide farms are exempt under state law. source
Dwellings, tiny homes & RVs
RestrictedRVs/campers cannot be used as a permanent principal dwelling under county zoning practice; manufactured homes and mobile home parks have their own ordinance sections with lot-size minimums. No county-specific tiny house rule was found beyond the state's Appendix Q baseline.
Building permits & codes
Generally allowedCaldwell County Building Inspections requires permits and inspections for new construction, additions, and modular homes under the NC State Building Code; manufactured homes are inspected only for local hookup work. source
Septic & composting toilets
Generally allowedSeptic systems are permitted through the county Health Department's Environmental Health division following state rules (15A NCAC 18A); an Authorization to Construct is required before a building permit can be issued. Composting toilets have no confirmed county-specific rule. source
Greywater reuse
Unclear - verifyNo Caldwell County-specific greywater ordinance or program was found; this likely defaults to the state framework under G.S. 143-350, but confirm with county Environmental Health.
Rainwater harvesting
Generally allowedNo Caldwell County restriction on rainwater harvesting was found; this inherits the state-level protection under G.S. 143-138 and Building Code Appendix C-1.
Private wells & water rights
Generally allowedPrivate wells are permitted through the county Health Department's Central Permitting office under state well construction rules, with mandatory post-installation water testing per state code. source
Living disconnected from utilities
Unclear - verifyNo explicit county ban on disconnecting from utilities exists, but a Certificate of Occupancy and building permit require an approved well and septic system first, so unpermitted off-grid living faces practical barriers rather than a direct prohibition. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.1 hrs/day
- Worst month (sizes an off-grid array)
- 3.9 hrs/day
- Yearly output per 1 kW of panels
- 1,410 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 48 in/yr
- Snowfall
- 5 in/yr
- Heating degree days
- 3,903 (moderate)
- Frost-free season
- Apr 13 to Oct 27
How far help isstraight-line
- Hospital
Caldwell Memorial Hospital - 1.3 mi
- Fire station
Fire Department: Valmead Fire Rescue - 1.1 mi
- Hardware store
Lowe's - 2.1 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 28645).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Caldwell 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.