Ohio · Off-grid & homestead potential
Union County scores 38/100 on the Bolthole Index, a marginal county profile. Its strengths are a durable current and mid-century hazard profile and manageable long-term carry cost. The trade-offs: about 89,000 people within a 30-minute drive and a weaker property-autonomy legal backdrop.
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Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
Scout Union County
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Property hunt
Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.
Each button opens a current land search for Union County. Listing sites control their own results and filters.
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Working estimate
A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.
Before an offer
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What it takes to build here — permits, zoning, and septic — scouted from Union County’s own official sources.
Union County operates a certified Building Department that issues residential permits and reviews plans; the FAQ states a permit is required for construction work, with limited exemptions (small sheds, low detached decks, agricultural buildings).
Union County - Building Dept FAQ ↗Zoning is administered at the township and municipal level; county building materials note a zoning permit may be required and that projects need applicable township/municipality approval.
Union County - Building Dept FAQ ↗A sewage system installation permit and operating permit must be obtained from the Union County Health Department prior to installation for lots outside public sewer service areas.
Union County Health Department - Septic Systems ↗Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Always confirm current rules with Union County Building Regulation (Engineer's Office) before you buy or build. Scouted Jul 2026 from official county sources.
Union County scores 38/100 on the Bolthole Index, a marginal county profile. Its strengths: a durable current and mid-century hazard profile and manageable long-term carry cost. Watch-outs: about 89,000 people within a 30-minute drive and a weaker property-autonomy legal backdrop.
Union County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Union County Health Department (under Ohio DoH, ORC 3718 / OAC 3701-29). Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in Union County runs about $8,151 per acre, based on the latest county data.
Union County gets about 39.4" of rain a year, with severe drought in roughly 0.8% of years.
A representative private-land location has about 89,000 people within a 30-minute drive and 6,238,746 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.
Off-grid gear
Going off-grid in Union County means bringing your own water and power. The kit we’d start with:
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