Off-Grid Living in Barry County, Missouri

I've been digging into Barry County, Missouri for folks thinking about going off-grid there, and the short version is: it's more regulated than a lot of rural Missouri counties, because Barry County has actually adopted countywide zoning. That's not universal in this state, so don't assume "rural Missouri" automatically means light-touch rules here.

Zoning. Barry County has a zoning ordinance implementing its Master Plan, covering districts, density, and accessory uses across the unincorporated county. The Planning and Zoning Department charges for zoning permits, land division, variances, and site plan review. If you're buying raw land here, start with a call to that office before you assume you can just build or park a trailer.

Dwellings, tiny homes, RVs. The zoning ordinance has sections on manufactured home standards, floodplain protection, and accessory dwellings, so placement of a mobile home or a small secondary structure is regulated at the county level. I could not confirm a specific minimum square footage rule or a clear policy on living in an RV full-time in unincorporated Barry County, so that's a direct question for Planning and Zoning.

Building permits and codes. Here's a genuinely interesting local wrinkle: Barry County has not adopted a countywide building code (no IRC or IECC on the books at the county level, per state data). Construction in unincorporated areas runs through the zoning permit system rather than a building-code inspection regime. That's different, though, inside Cassville, which has adopted its own municipal building code. So the rules literally change depending on whether you're inside town limits.

Septic and composting toilets. Septic systems are permitted locally by the Barry County Health Department, which sizes, permits, and inspects onsite wastewater systems, operating under Missouri's statewide DHSS onsite wastewater program. Composting toilet rules specifically weren't confirmed in what I found, so ask the Health Department directly if that's your plan.

Greywater. I found nothing on the books, county or state, specifically addressing greywater reuse for Barry County. Treat this as unclear and confirm with the Health Department before setting up a greywater system.

Rainwater harvesting. No county restriction turned up, so this falls back to Missouri's general allowance for collecting rainwater. Should be fine, but always good to double check locally if you're doing anything large-scale.

Wells. Well construction is a state matter under Missouri's Water Well Drillers Act, administered by DNR. Barry County's Health Department doesn't permit wells but does offer bacteriological water testing, which is a good idea for any well you're relying on.

Utility disconnection. Nothing bans living off-grid outright. You'll just need to satisfy the zoning permit process, the septic permit process, and any well-construction rules along the way.

Bottom line: Barry County's countywide zoning plus a patchwork building-code situation (none countywide, but Cassville has its own) makes this a "call before you build" kind of place.