Off-grid site report
Warren County, VA
38.9171, -78.1938 · 568 ft elevationRead this before you act on anything below. This is my researched starting point for Warren County, VA, 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 rulesWarren County, VA
Zoning & raw-land occupancy
Varies locallyWarren County has adopted comprehensive countywide zoning, unlike some Virginia counties. The Planning Department enforces district-based rules (Agricultural, Rural Residential, Village Residential, etc.) and generally allows one principal structure per lot in Agricultural/Residential districts. source
Dwellings, tiny homes & RVs
RestrictedThe county's Joint Zoning Ordinance requires dwellings to be permanently affixed to the ground and excludes mobile homes, buses, travel trailers, and RVs from qualifying as permanent dwellings unless modified to meet building code. Whether an RV can even be kept as an accessory use depends on the zoning district. source
Building permits & codes
Generally allowedWarren County's Building Inspections Department enforces the Virginia Uniform Statewide Building Code (state law) for both the unincorporated county and the Town of Front Royal; no material county deviation from the state code was found. source
Septic & composting toilets
Generally allowedSeptic systems require a permit from the Front Royal-Warren County Health Department under Warren County Code Chapter 179, which echoes Virginia Department of Health rules; composting toilets are not separately addressed and likely inherit the state VDH standard. source
Greywater reuse
Unclear - verifyNo Warren County-specific ordinance on greywater reuse was found; this likely inherits the state VDH baseline, but confirm with the Front Royal-Warren County Health Department directly.
Rainwater harvesting
Unclear - verifyNo Warren County-specific ordinance on rainwater harvesting was found; the state VDH baseline likely applies, but this isn't confirmed locally.
Private wells & water rights
Generally allowedPrivate wells require a Health Department permit under Warren County Code Chapter 179 and VDH rules, administered by the Front Royal-Warren County Health Department's environmental health staff. source
Living disconnected from utilities
Unclear - verifyNo Warren County ordinance was found requiring connection to the electric grid, so solar/off-grid power appears legally unaddressed rather than prohibited; however, occupancy still requires approved water and septic systems regardless of power source. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.8 hrs/day
- Worst month (sizes an off-grid array)
- 3.5 hrs/day
- Yearly output per 1 kW of panels
- 1,326 kWh
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Weather1991-2020
- Precipitation
- 41 in/yr
- Snowfall
- 23 in/yr
- Heating degree days
- 4,790 (moderate)
- Frost-free season
- Apr 15 to Oct 24
How far help isstraight-line
- Hospital
Shenandoah Memorial Hospital - 17.4 mi
- Fire station
Front Royal Volunteer Fire Department Company 1 18701 - 0.4 mi
- Hardware store
Ramsey True Value Hardware - 0.7 mi
- Grocery
Martin's - 0.5 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 22630).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Warren County, VA?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 22, 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.