Washington · Population 66,375 · Updated March 2026
How far your income goes in Sammamish
State-level tax rates that affect your costs
Sammamish has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 273 (where 100 equals the national median), Sammamish residents can expect to pay median rent of $2,728/month while earning a median household income of $227,273/year.
The median home value in Sammamish, WA is $1,240,300, with typical monthly owner costs around $3,335 including mortgage, insurance, and taxes. The median rent-to-income ratio of 14.4% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Washington has no state income tax, which can represent significant savings compared to high-tax states. Combined with a 6.5% sales tax rate and 0.92% effective property tax rate, the overall tax environment helps keep costs manageable in Sammamish.
Common questions about living costs in Sammamish