California · Off-grid & homestead potential
San Bernardino County scores 20/100 on the Bolthole Index, a weak county profile. The trade-offs: weak self-sufficiency basics: only 6.6″ of rain a year, in severe drought 39% of years and elevated mid-century heat, water, rain, or wildfire exposure.
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Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
Scout San Bernardino 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 San Bernardino County’s own official sources.
San Bernardino County Land Use Services Building & Safety issues building permits for construction in unincorporated areas under the California Building Standards Code.
San Bernardino County Land Use Services - Building & Safety ↗All unincorporated areas are zoned under the County of San Bernardino Development Code, administered by Land Use Services Planning.
San Bernardino County Land Use Services - Development Code ↗Where no sewer is available, Environmental Health Services requires and permits an onsite wastewater treatment system under the State OWTS Policy and county LAMP.
San Bernardino County Environmental Health Services - Land Use & Wastewater ↗California recognizes a statewide owner-builder exemption (B&P Code 7044); an Owner-Builder Declaration is required at permit issuance.
California Contractors State License Board - Owner-Builder Overview ↗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 San Bernardino County Land Use Services Department before you buy or build. Scouted Aug 2026 from official county sources.
Whether a new home can legally get its own water here — the sub-state groundwater regime, from California’s water agency.
Water rights here have been fixed by a court. New supply effectively means acquiring an existing right.
California requires no STATE permit for a domestic well — wells are permitted by the county — but under SGMA a Groundwater Sustainability Agency can meter or restrict new wells in medium/high-priority and critically overdrafted basins, and Executive Order N-7-22 requires counties in those basins to get GSA verification that a new well is consistent with the Groundwater Sustainability Plan before permitting.
Limit: 2 acre-feet/year de minimis under SGMA (Water Code §10721(e)) — largely exempt from GSA metering/fees
California DWR / State Water Board — SGMA de minimis & EO N-7-22 Action 9 FAQ ↗Adjudicated 1978 under the Chino Basin Watermaster; new appropriation effectively closed to new landowners.
California DWR — Adjudicated Areas (Bulletin 118) ↗Adjudicated 1996 (Mojave River watershed) under the Mojave Basin Area Watermaster; new pumping requires purchasing/transferring an existing free-production allowance.
California DWR — Adjudicated Areas (Bulletin 118) ↗1969 Western–San Bernardino judgment (physical solution) over the San Bernardino, Colton and Riverside subareas under a watermaster; new appropriation constrained.
California DWR — Adjudicated Areas ↗Yucca Valley (Warren Valley, adj. 1977) and Cucamonga (adj. 1978) basins under watermasters; new appropriation effectively closed to new landowners.
California DWR — Adjudicated Areas (Bulletin 118) ↗Puente Basin (1985 judgment, LA) and Lytle Creek (1924 decree, San Bernardino) under watermasters; pumping allocated, new appropriation closed.
California DWR — Adjudicated Areas ↗Ridgecrest / China Lake desert basin ~4x overdraft, also in active court adjudication; import-fee framework; effectively closed to new large appropriation.
California DWR Bulletin 118 — Critically Overdrafted Basins ↗High-priority SGMA subbasins (Yucaipa in the Upper Santa Ana Valley; Santa Clarita Valley East) with adopted GSPs; new wells subject to GSA/EO N-7-22 review.
California DWR — SGMA Basin Prioritization ↗Hybrid state (appropriation + riparian). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the California state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.
San Bernardino County scores 20/100 on the Bolthole Index, a weak county profile. Watch-outs: weak self-sufficiency basics: only 6.6″ of rain a year, in severe drought 39% of years and elevated mid-century heat, water, rain, or wildfire exposure.
San Bernardino County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by San Bernardino County Environmental Health Services. Owner-builders may act as their own contractor to build their home. Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in San Bernardino County runs about $47,339 per acre, based on the latest county data.
San Bernardino County gets about 6.6" of rain a year, with severe drought in roughly 39% of years. On water rights, San Bernardino County lies in the Chino Basin — Adjudicated — Adjudicated 1978 under the Chino Basin Watermaster; new appropriation effectively closed to new landowners..
A representative private-land location has about 3,274 people within a 30-minute drive and 11,060,870 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 San Bernardino County means bringing your own water and power. The kit we’d start with:
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