Blaine County in Magic Valley — urban density and zoning complexity lower the buildability score, but opportunities exist in outlying areas.
📊28/100AcreScore
💰$40KLand $/acre
🏠$650KHome Value
👥23,399Population
📈+5%Growth (10yr)
🌊5%Flood RiskLow
🌡️Cold DryClimateZone 6B
🏗️ Can You Build Here?
Blaine County has local zoning regulations. Check with the county building department for specific rules on your parcel. Barndominiums may require conditional use permits in some zones.
Zone
Min Lot
Barndo OK?
Residential
Varies
⚠️ Conditional
Agricultural
None
✅ Yes
Commercial
Varies
❌ No
Blaine County has local zoning. Contact the county building department for specific regulations.
📋 What Permits Do You Need?
Most states allow owner-builders to act as their own general contractor for personal residences. Check Idaho requirements — licensed subs are typically needed for electrical, plumbing, and HVAC.
Required Permits
• Building permit (residential)
• Septic permit (if no public sewer)
• Electrical permit
• Plumbing permit
Permit Office
Blaine County Building Department
Hailey, ID
Contact county clerk for current hours and requirements
🌊 What's the Flood & Soil Risk?
Very low flood risk. Only 5% of Blaine County land falls within FEMA-designated flood zones — well below the national average.
5%
In Flood Zone
Good
Soil Drainage
Varies
Septic Viability
Source: FEMA National Flood Hazard Layer, USDA Web Soil Survey
💰 What Does It Cost?
Higher land costs at roughly $40,000 per acre reflect Blaine County's demand — proximity to Twin Falls and growth pressure drive prices.
$40K
Median $/acre
$650K
Median Home Value
$120–200
Build Cost $/sqft
0.5%
Property Tax Rate
Source: U.S. Census Bureau ACS 2024, Blaine County Assessor
🏔️ Why People Love Living Here
Blaine County sits in the heart of Magic Valley. Twin Falls is 80 min away. Idaho has a state income tax — factor that into your cost-of-living calculations.
📈
Steady Community
A stable community with steady growth — less speculation, more authentic rural living.
🏠
Established Community
Zoning provides predictability — you know what your neighbors can and can't build. Good for long-term property value.
At a Glance
Population23,399
10-Year Growth+5%
County SeatHailey
State Income TaxYes
ClimateCold Dry (Zone 6B)
How Close Is Everything?
Twin Falls80 min
SUN15 min
Austinvaries
💧 Utilities & Infrastructure
Most rural Blaine County land uses well water and septic systems. Municipal utilities are available near Hailey. Check with local utility providers for your specific parcel.
Electric ProviderLocal Co-op / TXU
WaterWell or Municipal
SewerSeptic (most rural)
InternetVaries by location
Cell CoverageVariable
Natural GasPropane common in rural areas
🏦 Financing & Incentives
USDA Rural Development loans are generally not available in Blaine County due to urban classification. FHA, VA, and conventional financing options are available.
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❓ Frequently Asked Questions
Can I build a barndominium in Blaine County?
Check with the Blaine County Building Department for specific zoning rules on your parcel. Some zones allow barndominiums outright, others may require conditional use permits.
How much does land cost in Blaine County?
Median price is approximately $40,000 per acre, though prices vary by location, road access, and improvements.
Is Blaine County eligible for USDA Rural Development loans?
Most of Blaine County is not eligible for USDA Rural Development due to its urban/suburban classification. Check the USDA eligibility map for specific addresses.
What is the property tax rate in Blaine County?
The effective property tax rate is approximately 0.5%. Check with the county assessor for the most current rates and any available homestead exemptions.
Do I need a licensed contractor to build in Blaine County?
Most states allow owner-builders to act as their own general contractor for personal residences, though requirements vary by state and county. In Idaho, check local building codes for specific licensing requirements. You'll typically need licensed professionals for electrical, plumbing, and HVAC work.