The median home price in Seattle is $780,000, with a local 30-year mortgage rate of 6.9%. A buyer putting 20% down carries a loan of $624,000, generating a monthly P&I payment of $4,110. Adding property taxes ($598/mo) and homeowners insurance ($325/mo) brings total monthly PITI to $5,033.
Seattle's property tax rate of 0.92% is near the national average, adding a standard increment to monthly housing costs. On the Seattle median home, that is $598/month, or $7,176 per year.
Washington has no state income tax, improving effective take-home pay for Seattle residents and giving buyers additional capacity relative to equally-priced homes in high-tax states.