The median home price in Washington is $590,000, above the national median of $420,000. With a median household income of $82,400, the price-to-income ratio is 7.2x.
Property taxes in Washington average 1.03% of assessed value. On the median home, that is $6,077 per year, or $506 per month added to your mortgage payment.
Washington has no state income tax, which means more of your gross salary goes to your take-home pay. This effectively increases your purchasing power compared to states with income tax.
The cost of living index in Washington is 115 (national average = 100). Expect to pay more for groceries, transportation, and healthcare in addition to housing.