Louisiana · Off-grid & homestead potential
St. Mary Parish scores 63/100 on the Bolthole Index, a solid county profile. Its strengths are manageable long-term carry cost and sparse surroundings — about 48 people within a 30-minute drive.
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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 St. Mary Parish
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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 St. Mary Parish’s own official sources.
St. Mary Parish Planning & Zoning administers building permits (applications via the parish MGO Connect portal) under the Louisiana State Uniform Construction Code.
St. Mary Parish Planning & Zoning Department ↗The parish adopted a Unified Development Code (2014) that applies to all unincorporated lands and governs zoning, subdivision and development.
St. Mary Parish Unified Development Code ↗Onsite sewage permits are issued by the state LDH Office of Public Health; applications are submitted to the local parish health unit under Sanitary Code Title 51 Part XIII.
Louisiana Department of Health, Office of Public Health ↗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.
Louisiana Department of Health parish health units operate a permitting system for onsite sewage treatment systems statewide.
Louisiana Department of Health Onsite Wastewater Program ↗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 St. Mary Parish Planning & Zoning Department before you buy or build. Scouted Jul 2026 from official county sources.
St. Mary Parish scores 63/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and sparse surroundings — about 48 people within a 30-minute drive.
St. Mary Parish generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Louisiana Department of Health, Office of Public Health (St. Mary Parish Health Unit). Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in St. Mary Parish runs about $3,498 per acre, based on the latest county data.
St. Mary Parish gets about 60.7" of rain a year, with severe drought in roughly 8.9% of years.
A representative private-land location has about 48 people within a 30-minute drive and 1,205,858 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 St. Mary Parish means bringing your own water and power. The kit we’d start with:
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