A solid choice for building in Southwest Washington. Defined zoning, moderate flood risk, and very affordable land.
📊73/100AcreScore
💰$5KLand $/acre
🏠$275KHome Value
👥4,370Population
📈+1.2%Growth (10yr)
🌊45%Flood RiskModerate
🌡️Marine West CoastClimateZone 8b
🏗️ Can You Build Here?
Wahkiakum 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
Wahkiakum 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
Wahkiakum County Building Department
Cathlamet, WA
Contact county clerk for current hours and requirements
🌊 What's the Flood & Soil Risk?
Elevated flood risk at 45%. Wahkiakum County has significant FEMA flood zone coverage — careful site selection and flood insurance may be required. Check FEMA maps for your specific parcel.
45%
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 $5,000 per acre make Wahkiakum County one of the most budget-friendly options in Washington.
$5K
Median $/acre
$275K
Median Home Value
$120–200
Build Cost $/sqft
0.89%
Property Tax Rate
Source: U.S. Census Bureau ACS 2024, Wahkiakum County Assessor
🏔️ Why People Love Living Here
Wahkiakum County sits in the heart of Southwest Washington. Portland is 70 min away. No state income tax means your dollar stretches further here than in most states.
🏗️
Affordable Land
Median land at $5,000/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
Population4,370
10-Year Growth+1.2%
County SeatCathlamet
State Income TaxNone
ClimateMarine West Coast (Zone 8b)
How Close Is Everything?
Portland70 min
PDX75 min
Austinvaries
💧 Utilities & Infrastructure
Most rural Wahkiakum County land uses well water and septic systems. Municipal utilities are available near Cathlamet. 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
Wahkiakum 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 Wahkiakum County?
Check with the Wahkiakum 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 Wahkiakum County?
Median price is approximately $5,000 per acre, though prices vary by location, road access, and improvements. USDA Rural Development loans may be available for eligible buyers.
Is Wahkiakum County eligible for USDA Rural Development loans?
Yes — most of Wahkiakum County qualifies for USDA Rural Development programs, including zero-down-payment home loans for eligible buyers.
What is the property tax rate in Wahkiakum 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 Wahkiakum 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.