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Rank #10 · WA

Washington

Washington has no state income tax, but Seattle's tech-driven housing market and high gasoline prices (cap-and-invest program) keep statewide costs well above average. A 7% capital gains tax above $262K applies to high earners.

Cost index
113
Housing index
152.1
Median home
$605K
1BR rent
$1,850
Median income
$90K
Top income tax
0%
Sales tax
6.5%
Avg. gas
$4.34

Cost breakdown by category

All values indexed to 100 = US average.

Housing152.1
Groceries109.5
Utilities79
Transportation109.4
Healthcare117.1

Why Washington is expensive

  • 01Seattle/Bellevue tech salaries inflate Puget Sound housing costs.
  • 02Cap-and-invest carbon program adds ~$0.40/gal at the pump.
  • 03Combined sales tax in Seattle reaches 10.35%.
  • 047% tax on long-term capital gains over $262K.

Metro snapshots

Seattle
Median home ~$880K; 1BR rent ~$2,300/mo.
Bellevue
Microsoft-driven market; median home ~$1.45M.
Spokane
Median home ~$395K; cost of living near US average.

More affordable alternatives in Washington

SpokaneYakimaTri-CitiesBellingham
Pro tips

Surviving Washington on a budget

  • Eastern Washington offers cost-of-living parity with the Mountain West.
  • No income tax materially boosts take-home pay vs. neighboring Oregon.
  • WA Cares long-term-care payroll tax (0.58%) — opt-out window has closed for most.
CostlyStates

An editorial atlas of the most expensive states to live in, updated annually with BEA, MERIC, and Census data.

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Sources
  • BEA Regional Price Parities
  • MERIC Cost of Living Index
  • US Census ACS 5-Year
  • Tax Foundation State Data
© 2026 CostlyStates. Editorial use only.Figures reflect 2024–2026 reporting periods.