Off-grid site report

Henry County, OH

41.4050, -84.1332 · 682 ft elevation
Read this before you act on anything below. This is my researched starting point for Henry County, OH, 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 rulesHenry County, OH

Zoning & raw-land occupancy
Varies locallyZoning is exercised by individual townships under Ohio Revised Code Chapter 519, each with its own Zoning Inspector; the Henry County Planning Commission assists but doesn't enforce a countywide zoning code. source
Dwellings, tiny homes & RVs
Varies locallyState law (ORC 519.212) requires townships to treat permanently sited manufactured homes like single-family homes, but floor-area minimums and RV/tiny-home rules are set township by township and not confirmed countywide. source
Building permits & codes
Unclear - verifyThe Residential Code of Ohio applies statewide, but which office handles plan review and inspections in unincorporated Henry County was not confirmed from official sources; ask the Planning Commission or your township.
Septic & composting toilets
Generally allowedThe Henry County Health Department issues septic (household sewage treatment system) permits, requiring a soil evaluation and design plan, and runs a state-mandated operation and maintenance program adopted in 2023. source
Greywater reuse
Unclear - verifyNo Henry County-specific greywater page was found; the state ODH framework (OAC 3701-29) likely applies with a local Health Department permit, but this is not confirmed at the county level.
Rainwater harvesting
Generally allowedThe Henry County Health Department permits private water systems including cisterns for hauled or collected water, supporting rainwater harvesting under the state OAC 3701-28 framework, though no page is labeled specifically for rainwater.
Private wells & water rights
Generally allowedA permit from the Henry County Health Department is required before constructing, altering, or sealing a private well, pond, or cistern, per state rule OAC 3701-28-03(A); the department also offers water quality testing.
Living disconnected from utilities
Unclear - verifyNo official Henry County or township page was found requiring connection to electric, water, or sewer utilities; any dwelling still must meet the Residential Code of Ohio and applicable septic/well permitting.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average
4.5 hrs/day
Worst month (sizes an off-grid array)
2.6 hrs/day
Yearly output per 1 kW of panels
1,296 kWh
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Weather1991-2020

Precipitation
37 in/yr
Snowfall
23 in/yr
Heating degree days
6,248 (cold)
Frost-free season
Apr 23 to Oct 19

How far help isstraight-line

Hospital
Henry County Hospital
2.4 mi
Fire station
Florida-Flatrock Fire Station
6.6 mi
Hardware store
Kurtz Ace Hardware
1.0 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 43545).

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

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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.