Tennessee · Off-grid & homestead potential
Sullivan County scores 62/100 on the Bolthole Index, a solid county profile. Its strengths are mixed durability signals and manageable long-term carry cost. The trade-offs: about 179,597 people within a 30-minute drive and more administrative friction around building and land use.
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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 Sullivan 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.
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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 Sullivan County’s own official sources.
"Building Permits are required in Sullivan County for all types of residential housing"; the county has adopted the 2018 International Residential Code and 2018 Energy Code.
Sullivan County TN - Planning and Codes ↗"Sullivan County adopted zoning in 1988"; the county maintains a Zoning Resolution and requires zoning compliance permits.
Sullivan County TN - Planning and Codes ↗Subsurface sewage disposal (septic) systems are permitted and regulated by TDEC through its county field offices under the state SSDS program.
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗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.
Tennessee TDEC identifies a statewide SSDS construction permit for installing a subsurface sewage disposal system.
TDEC - Subsurface Sewage Disposal System Permits ↗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 Sullivan County Planning & Codes Department before you buy or build. Scouted Aug 2026 from official county sources.
Sullivan County scores 62/100 on the Bolthole Index, a solid county profile. Its strengths: mixed durability signals and manageable long-term carry cost. Watch-outs: about 179,597 people within a 30-minute drive and more administrative friction around building and land use.
Sullivan County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Tennessee Department of Environment & Conservation (TDEC), Division of Water Resources. Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in Sullivan County runs about $8,316 per acre, based on the latest county data.
Sullivan County gets about 45.9" of rain a year, with severe drought in roughly 0.2% of years.
A representative private-land location has about 179,597 people within a 30-minute drive and 2,605,929 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 Sullivan County means bringing your own water and power. The kit we’d start with:
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