Bolthole Index

Utah · Off-grid & homestead potential

San Juan County

49Index Score / 100
#16 of 29 in Utah

San Juan County scores 49/100 on the Bolthole Index, a solid county profile. Its strengths are deep seclusion — about 1 people within a 30-minute drive and manageable long-term carry cost. The trade-offs: weak self-sufficiency basics: only 10.2″ of rain a year, in severe drought 37.3% of years and more administrative friction around building and land use.

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County locator

San Juan County in Utah

49
County map
San Juan County highlighted among the Utah counties · colored by Index score

How San Juan County scores

Seclusion86100% ev.
Self-Sufficiency2399% ev.
Admin Boringness40100% ev.
Durability44100% ev.
Property Autonomy60100% ev.
Carry Cost83100% ev.

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 →

$364kTypical home
0.8%Property tax
$748Land / acre
10.2"Annual rain
37.3% of yrsSevere drought
20.4 / yr (+15.3)Mid-century 100°F days
36.9 daysMid-century dry spell
0.73" (+6.7%)Mid-century 1-day rain
1.15×Wildfire change factor
100%Forward climate coverage
$1,032Home insurance / yr
3.4% / yrInsurance growth
0.42%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
1People within 30 min
8,254People within 2 hr
1,897Radius comparison (15 mi)
1.8People / sq mi
64.8%Federal land
65.6%Land at 15% slope or less
19.2%Septic soil without severe limits
598,672 acWorkable land screen
16.3%Wooded land
14.6 tonsBiomass / forest ac
53.5°FAvg temp

Scout San Juan County

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Property hunt

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Building & land-use rules in San Juan County

What it takes to build here — permits, zoning, and septic — scouted from San Juan County’s own official sources.

  • Building permitRequired

    County Building Department requires building permits for all new construction and before moving a trailer or pre-built home onto a lot.

    San Juan County Building Department Checklists
  • County zoningYes

    San Juan County's published code contains a county zoning ordinance with defined zoning districts and land-use controls; the county building checklist also applies current residential zoning setbacks.

    San Juan County Code - Zoning Ordinance
  • Septic permittingSan Juan County Health Department (under Utah DEQ)

    A sewage/septic system must be approved by the San Juan County Health Department in Blanding before construction.

    San Juan County Building Department Checklists
  • Owner-builderAllowed

    Per the Utah Construction Trades Licensing Act, an owner of a single-family residence for personal, non-commercial use may act as contractor/builder on their own residence.

    San Juan County Building Department Checklists
  • Building inspectionsNot published

    Not published on an official source — confirm with the county.

  • Occupancy certificateNot published

    Not published on an official source — confirm with the county.

  • Septic permitNot published

    Not published on an official source — confirm with the county.

  • Septic inspectionNot published

    Not published on an official source — confirm with the county.

  • Off-grid sanitationNot published

    Not published on an official source — confirm with the county.

Always confirm current rules with San Juan County Planning & Building Department before you buy or build. Scouted Aug 2026 from official county sources.

Water rights & wells in San Juan County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Utah’s water agency.

Actively managed

This basin is under active state management — new water use is scrutinized, though a domestic well is usually still allowed.

Household wellPermit required — restricted

Utah has NO exempt domestic well — you must own a water right to drill any well, including a household well. In an open area you file a new appropriation, but because much of Utah is closed to new appropriation a newcomer typically must PURCHASE an existing water right and file a change application to move it to the new well.

Limit: ~0.45 acre-ft/yr indoor domestic (typical allocation); no statutory exempt-well quantity

Utah Division of Water Rights — FAQ
  • Monticello Mill Tailings Groundwater Management Planlocalized of county

    Water-QUALITY / DOE UMTRCA remediation plan at the former Monticello uranium mill; shallow alluvial groundwater is contaminated — a domestic-well quality caution rather than an appropriation closure.

    Utah Division of Water Rights — Groundwater Management Plans

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Utah state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in San Juan County, Utah

Is San Juan County a good place to live off-grid or homestead?

San Juan County scores 49/100 on the Bolthole Index, a solid county profile. Its strengths: deep seclusion — about 1 people within a 30-minute drive and manageable long-term carry cost. Watch-outs: weak self-sufficiency basics: only 10.2″ of rain a year, in severe drought 37.3% of years and more administrative friction around building and land use.

Do you need a building permit in San Juan County, Utah?

San Juan County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by San Juan County Health Department (under Utah DEQ). 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.

How much does land cost in San Juan County, Utah?

Land in San Juan County runs about $748 per acre, based on the latest county data.

What is the water situation in San Juan County?

San Juan County gets about 10.2" of rain a year, with severe drought in roughly 37.3% of years. On water rights, San Juan County lies in the Monticello Mill Tailings Groundwater Management Plan — Water-QUALITY / DOE UMTRCA remediation plan at the former Monticello uranium mill; shallow alluvial groundwater is contaminated — a domestic-well quality caution rather than an appropriation closure..

How remote is San Juan County?

A representative private-land location has about 1 people within a 30-minute drive and 8,254 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 Juan County means bringing your own water and power. The kit we’d start with:

WaterCrystal QuestFilter any source — well, rain, or creek — to drinking-clean.PowerBluettiSolar generators and home battery backup for living off the grid.

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How San Juan compares in Utah

Compare side-by-side →See all 29 Utah counties ranked →