Off-Grid Living in Monroe County, Ohio

I'll be upfront: Monroe County, Ohio is one of those places where the paper trail is thinner than I'd like, and I think it's more honest to tell you where the gaps are than to paper over them with guesses.

Zoning. Ohio counties don't have automatic zoning authority. Under state law (ORC Chapter 303), a county only has zoning if it's specifically adopted it, and townships can separately adopt their own zoning under ORC Chapter 519. In my research I could not find an official Monroe County zoning resolution or a county zoning department. What I did confirm is a Monroe County Regional Planning Commission that administers subdivision regulations (how land gets divided into lots), jointly with the Board of County Commissioners, dating back to 1978 and amended in 1991. That's subdivision control, not full zoning. Whether any individual township inside Monroe County has adopted its own zoning is something you'd need to check township by township, since it varies and isn't tracked at the county level in what I found.

Dwellings, tiny homes, RVs. No Monroe County page addresses this directly. Ohio's state baseline is that HUD-code manufactured homes generally must be allowed wherever conventional homes are allowed, but without a confirmed local zoning ordinance, I can't tell you what unincorporated Monroe County requires for tiny homes or living in an RV long-term.

Building permits. Ohio uses certified building departments to enforce the state's Residential Code. I could not confirm which certified department (county-level or otherwise) covers unincorporated Monroe County. Start with the Auditor's office or Commissioners to get pointed in the right direction.

Septic and greywater. This one's solid: the Monroe County Health Department's Environmental Services division runs the sewage treatment system program locally, under state rules. That covers new, replacement, or altered home sewage systems, design and site review, permits, and installer/hauler licensing. Composting toilets and greywater systems aren't separately addressed on the county page, but they'd fall under this same office and the state's framework by default, so call them before you build anything.

Wells and water. Also solid: the same Environmental Services division handles well permits, inspections, water hauler licensing, and water testing under the state's Private Water Systems Rules, including oil and gas baseline testing, which matters in this part of Appalachian Ohio given drilling activity.

Rainwater harvesting. No county-specific page found. The state's private water systems framework, administered by this same health department, is the presumed backdrop, but I'd confirm directly rather than assume.

Utility disconnection. No Monroe County statement on mandatory utility hookups. Ohio has no statewide mandate to connect to electric or water utilities, but any habitable structure still needs to meet applicable building code, whatever that turns out to be here.

Bottom line: the septic and well side of things is well-documented and county-run. The zoning, building, and dwelling-type side is genuinely unclear from official sources, and that's exactly the kind of thing worth a phone call before you buy land or park a trailer.