Bolthole Index

New York · Off-grid & homestead potential

Tompkins County

58Index Score / 100
#34 of 62 in New York

Tompkins County scores 58/100 on the Bolthole Index, a solid county profile. Its strengths are a durable current and mid-century hazard profile and workable self-sufficiency basics: 39.9″/yr rainfall and 64.4% wooded land. The trade-offs: a weaker property-autonomy legal backdrop and about 89,395 people within a 30-minute drive.

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County locator

Tompkins County in New York

58
County map
Tompkins County highlighted among the New York counties · colored by Index score

How Tompkins County scores

Seclusion35100% ev.
Self-Sufficiency69100% ev.
Admin Boringness4190% ev.
Durability83100% ev.
Property Autonomy33100% ev.
Carry Cost65100% 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 →

$357kTypical home
2.3%Property tax
$3,994Land / acre
39.9"Annual rain
2.5% of yrsSevere drought
0.6 / yr (+0.6)Mid-century 100°F days
8.6 daysMid-century dry spell
1.54" (+9.1%)Mid-century 1-day rain
1.58×Wildfire change factor
100%Forward climate coverage
$1,034Home insurance / yr
1.2% / yrInsurance growth
0.28%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
89,395People within 30 min
2,449,547People within 2 hr
104,209Radius comparison (15 mi)
218.2People / sq mi
0.2%Federal land
82%Land at 15% slope or less
3.7%Septic soil without severe limits
10,754 acWorkable land screen
64.4%Wooded land
64.6 tonsBiomass / forest ac
46.7°FAvg temp

Scout Tompkins County

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Property hunt

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Building & land-use rules in Tompkins County

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

  • Building permitRequired

    A building permit is generally required and is enforced at the town/village level under New York's statewide Uniform Fire Prevention and Building Code; each Tompkins County town (e.g., Danby, Dryden, Ithaca) issues its own permits.

    Town of Danby, NY - Building Permits
  • County zoningYes

    Zoning exists and is administered municipally; towns within Tompkins County such as Dryden and Ithaca have their own zoning ordinances and require zoning permits.

    Town of Dryden, NY - Zoning Permit Application
  • Septic permittingTompkins County Whole Health - Environmental Health (Onsite Wastewater Treatment Systems)

    An OWTS (septic) construction permit from Tompkins County Environmental Health is required before building a new system or making most repairs; county EH staff design most systems.

    Tompkins County - Onsite Wastewater Treatment Systems (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 Tompkins County Whole Health - Environmental Health before you buy or build. Scouted Jul 2026 from official county sources.

Living off-grid in Tompkins County, New York

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

Tompkins County scores 58/100 on the Bolthole Index, a solid county profile. Its strengths: a durable current and mid-century hazard profile and workable self-sufficiency basics: 39.9″/yr rainfall and 64.4% wooded land. Watch-outs: a weaker property-autonomy legal backdrop and about 89,395 people within a 30-minute drive.

Do you need a building permit in Tompkins County, New York?

Tompkins County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Tompkins County Whole Health - Environmental Health (Onsite Wastewater Treatment Systems). Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Tompkins County, New York?

Land in Tompkins County runs about $3,994 per acre, based on the latest county data.

What is the water situation in Tompkins County?

Tompkins County gets about 39.9" of rain a year, with severe drought in roughly 2.5% of years.

How remote is Tompkins County?

A representative private-land location has about 89,395 people within a 30-minute drive and 2,449,547 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 Tompkins 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 Tompkins compares in New York

Compare side-by-side →See all 62 New York counties ranked →