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Off-grid site report

Lancaster County, VA

37.7666, -76.4563 · 85 ft elevation
Read this before you act on anything below. This is my researched starting point for Lancaster 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 rulesLancaster County, VA

Zoning & raw-land occupancy
RestrictedLancaster County has a countywide Zoning Ordinance administered by the Planning & Land Use Office, with added overlays for Chesapeake Bay Preservation, wetlands, and floodplains near tidal waters. Raw-land camping or occupancy without an approved dwelling and septic/well setup would not be permitted long-term. source
Dwellings, tiny homes & RVs
Unclear - verifyManufactured homes are defined and regulated by the county ordinance, following state transit rules, and state law bars treating them more restrictively than site-built homes. No county-specific rule on tiny houses on wheels or RVs as permanent dwellings was found, so confirm directly with the Planning & Land Use Office. source
Building permits & codes
Generally allowedLancaster County's Building Office issues permits under the statewide building code, and you must apply before starting construction. Small detached sheds may be exempt but zoning setbacks still apply. source
Septic & composting toilets
Generally allowedSeptic systems are permitted through the local VDH health district under state onsite sewage regulations, and the county requires this permit (or a certification an existing system is adequate) before issuing a building permit. Composting toilets fall under VDH's alternative system framework at the state level with no confirmed Lancaster-specific rule. source
Greywater reuse
Generally allowedGreywater reuse is regulated by VDH at the state level, and I found no Lancaster County-specific ordinance adding to or restricting that. Confirm with the local health district whether any local practice differs from the state rule. source
Rainwater harvesting
Generally allowedRainwater harvesting is covered under a state VDH program with tiering and registration requirements for larger or potable systems, and no Lancaster-specific ordinance was found. This inherits the state baseline fully. source
Private wells & water rights
Generally allowedPrivate wells are permitted through the local VDH health district under state well construction rules, and this permit is required before the county issues a building permit. Applications typically need supporting documentation from a licensed private consultant. source
Living disconnected from utilities
Unclear - verifyNo Lancaster County rule was found mandating a grid electric hookup, but because VDH-approved water and waste systems are required before a building permit is issued, full off-grid occupancy without an approved septic/well is effectively not possible. This mirrors the state baseline rather than a distinct county rule. source

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average
4.9 hrs/day
Worst month (sizes an off-grid array)
3.5 hrs/day
Yearly output per 1 kW of panels
1,392 kWh
JFMAMJJASOND

Weather1991-2020

Precipitation
47 in/yr
Snowfall
9 in/yr
Heating degree days
3,983 (moderate)
Frost-free season
Apr 11 to Oct 27

How far help isstraight-line

Hospital
Rappahannock General Hospital
5.9 mi
Fire station
Lancaster County Emergency Medical Sevices
2.5 mi
Hardware store
Lamberth Building Supplies
9.0 mi
Grocery
Walmart Supercenter
4.8 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 22513).

Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt

Looking at a specific parcel in Lancaster 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.
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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.

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