Side-by-side comparison of mortgage costs, property taxes, closing costs, and homeowners insurance between Idaho and Washington. Updated for 2026.
Metric
Idaho
Washington
Median Home Price
$420K
$580K
Property Tax Rate
0.63%
0.98%
Avg Closing Costs
$6K
$8K
Closing Cost %
1.5%
1.4%
Transfer Tax
None
1.78%
Homeowners Insurance
$1,600/yr
$1,600/yr
First-Time Buyer Program
Idaho Housing DPA
Up to 7% second mortgage
WSHFC Home Advantage
Up to $10,000 DPA
Verdict
Idaho wins 4 of 6 cost categories, making it the more affordable state for homebuyers overall. With a median home price of $420K and lower overall costs, Idaho offers meaningful savings compared to Washington. Both states offer first-time buyer programs — explore the state pages for full details.