A solid choice for building in Columbia Basin. Defined zoning, moderate flood risk, and very affordable land.
📊72/100AcreScore
💰$4KLand $/acre
🏠$215KHome Value
👥20,640Population
📈+3.2%Growth (10yr)
🌊15%Flood RiskModerate
🌡️Semi-Arid ContinentalClimateZone 6b
🏗️ Can You Build Here?
Adams 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
Adams 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 Washington 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
Adams County Building Department
Ritzville, WA
Contact county clerk for current hours and requirements
🌊 What's the Flood & Soil Risk?
Moderate flood risk. 15% of county land is in FEMA flood zones. Most buildable parcels are outside hazard areas, but always verify your specific site.
15%
In Flood Zone
Good
Soil Drainage
Good
Septic Viability
Source: FEMA National Flood Hazard Layer, USDA Web Soil Survey
💰 What Does It Cost?
Extremely affordable. Median land prices around $3,500 per acre make Adams County one of the most budget-friendly options in Washington.
$4K
Median $/acre
$215K
Median Home Value
$120–200
Build Cost $/sqft
0.89%
Property Tax Rate
Source: U.S. Census Bureau ACS 2024, Adams County Assessor
🏔️ Why People Love Living Here
Adams County sits in the heart of Columbia Basin. Spokane is 80 min away. No state income tax means your dollar stretches further here than in most states.
🏗️
Affordable Land
Median land at $3,500/acre means you can buy more, build bigger, and still stay under budget.
🏠
Established Community
Zoning provides predictability — you know what your neighbors can and can't build. Good for long-term property value.
At a Glance
Population20,640
10-Year Growth+3.2%
County SeatRitzville
State Income TaxNone
ClimateSemi-Arid Continental (Zone 6b)
How Close Is Everything?
Spokane80 min
GEG90 min
Austinvaries
💧 Utilities & Infrastructure
Most rural Adams County land uses well water and septic systems. Municipal utilities are available near Ritzville. 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
Adams County qualifies for USDA Rural Development loans — zero-down-payment financing for eligible buyers in most areas.
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❓ Frequently Asked Questions
Can I build a barndominium in Adams County?
Check with the Adams 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 Adams County?
Median price is approximately $3,500 per acre, though prices vary by location, road access, and improvements. USDA Rural Development loans may be available for eligible buyers.
Is Adams County eligible for USDA Rural Development loans?
Yes — most of Adams County qualifies for USDA Rural Development programs, including zero-down-payment home loans for eligible buyers.
What is the property tax rate in Adams County?
The effective property tax rate is approximately 0.89%. Check with the county assessor for the most current rates and any available homestead exemptions.
Do I need a licensed contractor to build in Adams County?
Most states allow owner-builders to act as their own general contractor for personal residences, though requirements vary by state and county. In Washington, check local building codes for specific licensing requirements. You'll typically need licensed professionals for electrical, plumbing, and HVAC work.