Off-grid site report
Rockbridge County, VA
37.8013, -79.4215 · 1,056 ft elevationRead this before you act on anything below. This is my researched starting point for Rockbridge 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 rulesRockbridge County, VA
Zoning & raw-land occupancy
RestrictedRockbridge County has adopted countywide Land Development Regulations (zoning and subdivision ordinance) under state authority, so raw land use is governed by district-specific rules, not unrestricted. Confirm your parcel's zoning district with the county Planning & Zoning Department. source
Dwellings, tiny homes & RVs
Varies locallyNo official Rockbridge-specific tiny home or ADU ordinance was confirmed. What is confirmed is that Planning & Zoning must sign off on zoning, use, setbacks, and flood zone status before any building permit is issued. source
Building permits & codes
Generally allowedThe county administers Virginia's Uniform Statewide Building Code locally; a building permit requires sign-off from Planning & Zoning and, where public utilities exist, from the Public Service Authority. source
Septic & composting toilets
Generally allowedSeptic systems (including composting toilet alternatives under the onsite sewage program) are permitted through the Virginia Department of Health, not a separate county authority. A VDH permit is required before the county will issue a building permit. source
Greywater reuse
Generally allowedGreywater reuse is governed at the state level by VDH in conjunction with DEQ, which are directed by Virginia law to actually promote greywater reuse. No Rockbridge-specific rule was found; the county appears to fully defer to the state. source
Rainwater harvesting
Generally allowedRainwater harvesting is regulated by VDH under a tiered system; small rain barrels (up to 100 gallons for basic use) are exempt from permitting, and larger systems fall under state tiers. No Rockbridge-specific rule was found. source
Private wells & water rights
Generally allowedPrivate wells outside the county's Public Service Authority / Maury Service Authority service areas are permitted through VDH, which sets setback and construction requirements. Where public water is available via the PSA, that's an alternative option. source
Living disconnected from utilities
Unclear - verifyNo official Rockbridge ordinance explicitly requires or bans full utility disconnection. In practice, though, a certificate of occupancy requires an approved water and waste system, so full grid independence is possible but still gated by permitting on those fronts. Not confirmed beyond this; ask Planning & Zoning directly for your specific situation. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.0 hrs/day
- Worst month (sizes an off-grid array)
- 3.9 hrs/day
- Yearly output per 1 kW of panels
- 1,386 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 41 in/yr
- Snowfall
- 13 in/yr
- Heating degree days
- 4,681 (moderate)
- Frost-free season
- Apr 27 to Oct 16
How far help isstraight-line
- Hospital
Carilion Rockbridge Community Hospital - 1.9 mi
- Fire station
Kerrs Creek Volunteer Fire Department Company 2 - 5.2 mi
- Hardware store
Lowe's - 0.9 mi
- Grocery
Simply Market - 0.4 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 24450).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Rockbridge 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.