Off-grid site report
Owen County, IN
39.3938, -86.8609Read this before you act on anything below. This is my researched starting point for Owen County, IN, 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 rulesOwen County, IN
Zoning & raw-land occupancy
RestrictedOwen County has had countywide zoning since 2003 under a Zoning and Subdivision Control Ordinance adopted by the Board of Commissioners; land use depends on the zone your parcel is in, not owner discretion. source
Dwellings, tiny homes & RVs
Unclear - verifyThe ordinance has separate chapters for mobile home parks and RV parks, suggesting RVs/tiny homes are addressed through zone-specific standards, but I could not confirm whether one can be a sole permanent residence outside a park. Ask the Building & Planning Department. source
Building permits & codes
RestrictedBuilding permits are required countywide and issued through the joint Owen County/Town of Spencer Building & Planning Department. source
Septic & composting toilets
Generally allowedSeptic systems are permitted through the Owen County Health Department, operating within Indiana's statewide onsite sewage rule; composting toilets aren't separately addressed in county sources, so confirm with the Health Department. source
Greywater reuse
Unclear - verifyNo Owen County ordinance or health department policy on greywater reuse was found; this is not confirmed and likely falls back to a state baseline treating greywater as sewage. Ask the Health Department's environmentalist. source
Rainwater harvesting
Generally allowedNo county ordinance restricts rainwater collection; any plumbing connections would fall under the state plumbing code enforced via the building permit process. source
Private wells & water rights
Generally allowedWell permits are issued through the Owen County Health Department, within Indiana's IDNR-administered well construction and licensing framework. source
Living disconnected from utilities
Generally allowedNo ordinance requires connection to public electric, water, or sewer, but a fully off-grid structure still must satisfy separate zoning, building, and septic permitting. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.8 hrs/day
- Worst month (sizes an off-grid array)
- 2.8 hrs/day
- Yearly output per 1 kW of panels
- 1,363 kWh
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Weather1991-2020
- Precipitation
- 46 in/yr
- Snowfall
- 23 in/yr
- Heating degree days
- 5,920 (cold)
- Frost-free season
- Apr 26 to Oct 13
How far help isstraight-line
- Hospital
Putnam County Hospital - 15.7 mi
- Fire station
Cataract Volunteer Fire Department - 3.3 mi
- Hardware store
Spencer Hardware & Lumber Co - 8.6 mi
- Grocery
Save-A-Lot - 8.4 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 47868).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Owen County, IN?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.
New here, or not sure where this fits? Start here walks through the whole thing in order.