Bolthole Index

Colorado · Off-grid & homestead potential

Custer County

63Index Score / 100
#18 of 64 in Colorado

Custer County scores 63/100 on the Bolthole Index, a solid county profile. Its strengths are sparse surroundings — about 998 people within a 30-minute drive and manageable long-term carry cost. The trade-offs: elevated current hazard exposure and more administrative friction around building and land use.

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Custer County in Colorado

63
County map
Custer County highlighted among the Colorado counties · colored by Index score

How Custer County scores

Seclusion80100% ev.
Self-Sufficiency45100% ev.
Admin Boringness4190% ev.
Durability40100% ev.
Property Autonomy75100% ev.
Carry Cost80100% ev.

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 →

$423kTypical home
0.4%Property tax
$3,662Land / acre
19.6"Annual rain
26% of yrsSevere drought
0.1 / yr (+0.1)Mid-century 100°F days
21.6 daysMid-century dry spell
1.5" (+9.2%)Mid-century 1-day rain
1.37×Wildfire change factor
100%Forward climate coverage
$2,213Home insurance / yr
3.6% / yrInsurance growth
0.83%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
998People within 30 min
700,968People within 2 hr
5,019Radius comparison (15 mi)
7.5People / sq mi
37.3%Federal land
46.8%Land at 15% slope or less
3.4%Septic soil without severe limits
15,201 acWorkable land screen
53.6%Wooded land
28.4 tonsBiomass / forest ac
41.9°FAvg temp

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Building & land-use rules in Custer County

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

  • Building permitRequired

    Custer County requires a Dwelling Permit for construction of new primary residences, manufactured homes, and modular homes, including site plan review and zoning compliance, processed by the county Planning & Zoning Department (Colorado has no statewide code, so the county adopts its own).

    Custer County CO - Building Permits & Applications ↗
  • County zoningYes

    Custer County has a Zoning Resolution establishing land use standards, zoning districts, setbacks and development requirements throughout the unincorporated county, with an official zoning districts map.

    Custer County CO - Zoning Regulations ↗
  • Septic permittingCuster County Planning & Zoning / Environmental Health (OWTS program)

    OWTS permits are required for all septic installations and a zoning/dwelling permit will not be issued without a sewage disposal permit in compliance with the Custer County On-site Wastewater Treatment System (OWTS) Regulations, administered by the county under CDPHE.

    Custer County CO - Building Permits & Applications (OWTS) ↗
  • Owner-builderNot published

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

  • 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 Custer County Planning & Zoning Department before you buy or build. Scouted Aug 2026 from official county sources.

Living off-grid in Custer County, Colorado

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

Custer County scores 63/100 on the Bolthole Index, a solid county profile. Its strengths: sparse surroundings — about 998 people within a 30-minute drive and manageable long-term carry cost. Watch-outs: elevated current hazard exposure and more administrative friction around building and land use.

Do you need a building permit in Custer County, Colorado?

Custer County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Custer County Planning & Zoning / Environmental Health (OWTS program). Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Custer County, Colorado?

Land in Custer County runs about $3,662 per acre, based on the latest county data.

What is the water situation in Custer County?

Custer County gets about 19.6" of rain a year, with severe drought in roughly 26% of years.

How remote is Custer County?

A representative private-land location has about 998 people within a 30-minute drive and 700,968 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 Custer 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 Custer compares in Colorado

Compare side-by-side →See all 64 Colorado counties ranked →