Washington Mortgage Calculator

Understanding mortgages in Washington

Washington is a state of extreme regional contrasts when it comes to housing. The statewide median home price of approximately $625,000 hides dramatic variation — the Seattle metro area (King, Snohomish, and northern Pierce counties) commands $750,000–$1.5M+ medians thanks to Microsoft, Amazon, Boeing, T-Mobile, Costco, and Starbucks headquarters. Meanwhile, Spokane ($375K), Tacoma ($450K), Vancouver WA ($475K), Bellingham ($525K), and Yakima ($325K) remain affordable compared to most West Coast cities.

The current 30-year fixed mortgage rate in Washington averages approximately 6.55%, near the national average. Washington has one of the strongest credit union ecosystems in America, led by BECU (Boeing Employees Credit Union, the 4th largest credit union in the country with 1.5M+ members), Washington State Employees Credit Union, Sound Credit Union, and Numerica they often offer rates 0.15–0.25% below national lenders, particularly for Boeing, Microsoft, and government employees.

Why Seattle and the Eastside are so much more expensive

The Seattle metro and Eastside have housing markets that look more like the Bay Area than the rest of Washington. Median home prices in Seattle now exceed $870,000, while Bellevue sits at $1,250,000, Redmond at $1,100,000, and Mercer Island over $2,000,000. The region has unusually high household incomes ($150K–$250K median in many tech ZIP codes) driven by Microsoft (Redmond), Amazon (Seattle), Boeing (Renton, Everett), T-Mobile (Bellevue), Costco (Issaquah), Starbucks (Seattle SODO), and hundreds of tech startups in South Lake Union and Bellevue Spring District.

Washington's biggest financial advantage for homebuyers is zero state income tax. A software engineer earning $200,000 in Seattle saves roughly $14,000–$16,000 per year in income tax compared to California's 9.3% bracket. Over a 30year mortgage, that's $420,000+ in income tax savings enough to fully fund a down payment plus accelerate mortgage payoff. The tradeoff: Washington has higher sales tax (10.3% in Seattle), higher gas tax (49.4¢/gallon among the highest), and a Business & Occupation (B&O) tax that affects small business owners. For W-2 high earners, the math strongly favors Washington over California, Oregon, or other high-tax West Coast states.

Washington property tax by county

Washington's effective property tax rate of 0.92% is near the national average. For a median $625,000 Washington home, that's approximately $5,750 per year, or $479 per month. Critically, Washington's Initiative 747 caps property tax annual increases at 1% per year (well below typical inflation of 2–3%), making property tax relatively predictable. Variation between counties matters — Spokane County's effective rate (1.09%) is 18% higher than King County's (0.92%).

Important caveat for Seattle metro buyers: when looking at King County property tax bills, multiply by the actual home value, NOT the statewide $625K median. A $1,200,000 Bellevue home at 0.92% pays $11,040/year in property tax — substantially more than the statewide numbers suggest. Plus, school district levies and city-specific bonds can push effective rates higher in some areas. Use our budget planner to model the realistic post-purchase property tax for your specific area.

Washington's senior and disabled property tax exemptions

Washington offers a Senior Citizen and Disabled Persons Property Tax Exemption for homeowners age 61+ or permanently disabled with annual household income under approximately $58,000 (the exact threshold varies by county and is adjusted annually). The benefit ranges from a property tax reduction to a complete freeze on assessed value typically saving $2,000–$5,000 per year depending on home value and income tier. Washington also offers a Disabled Veteran Property Tax Exemption for veterans with a VA disability rating of 80% or higher (or surviving spouses), with benefit levels tied to disability percentage and income. Apply through your county assessor's office with VA disability documentation and proof of income.

One Washington advantage: Initiative 747 (passed in 2001) limits regular property tax levies to a 1% annual increase, far below typical inflation. This makes long-term property tax costs more predictable than in states without such caps. The tradeoff is that voter-approved levies (school bonds, parks, transportation) can push your actual bill higher — review your county assessor's detailed breakdown before buying.

Median home prices across Washington

Washington's median home price of $625,000 is among the highest in America, but the state ranges from extreme Eastside prices to highly affordable Eastern Washington. Use our Down Payment Saver to plan how long until you can afford your target Washington city.

The Seattle metro vs Eastern Washington gap is among the most dramatic intrastate price gaps in America. A Bellevue condo at $1.2M costs more than three Spokane homes at $375K each. If you can work remotely or your employer allows hybrid, Spokane, Tacoma, and Vancouver offer the best balance of job market access, affordability, and quality of life. Vancouver WA is particularly attractive just across the Columbia River from Portland, with no state income tax (vs Oregon's 9.9%), making it a popular choice for tech workers commuting to Portland or working remotely. Compare to California for the East Bay tech alternative.

Washington first-time homebuyer programs (WSHFC)

The Washington State Housing Finance Commission (WSHFC) offers some of the strongest first time buyer programs on the West Coast. Use our 401(k) calculator to balance saving for the down payment against retirement contributions.