Property Taxes in Washington
Washington's property tax runs genuinely moderate by national standards -- a roughly 0.75% statewide average effective rate -- reinforced by a real, structural 1%-per-year cap on most local taxing districts' total levy growth, though this record states plainly that the cap constrains the district's collections, not any individual property owner's bill.
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Learn moreThe statewide average, and its real, disclosed spread
Tax Foundation cites a 0.75% statewide average effective property tax rate on owner-occupied housing value for Washington in 2026, while other aggregators reviewed the same pass cited figures ranging from approximately 0.73% to 0.94% -- a real, disclosed spread across methodologies rather than one figure silently chosen. King County (Seattle's home county) runs toward the higher end of that range, roughly 0.9%-1.0% effective, reflecting the county's substantially elevated home values rather than an unusually high nominal rate. Spokane County, by contrast, runs close to the statewide average (roughly 0.84%), while Pierce County (Tacoma) runs toward Washington's highest county-level rate.
The 1%-per-year levy growth cap, precisely
Washington law (RCW 84.55, rooted in voter-approved Initiative 747) generally limits most local taxing districts' regular property tax levy growth to 1% per year absent a voter-approved "lid lift." This is a real, structural constraint -- but it caps the taxing DISTRICT's total levy, not any individual property's bill, which can still rise or fall faster than 1% if that specific property's assessed value grows faster or slower than the district average. This record does not conflate the two.
No comparable assessment cap for individual properties, unlike California or Michigan
Washington's levy growth cap operates differently from California's Proposition 13 or Michigan's Proposal A, which cap how much an individual property's ASSESSED VALUE can rise year-over-year regardless of the district's total collections. Washington has no equivalent individual-property assessment cap -- a buyer's post-purchase tax bill tracks the county's current assessed valuation and local levy rate directly, not a capped prior-owner figure.
What this means for a buyer
Confirm your target property's specific county and its current effective rate directly with the county assessor before finalizing a budget -- King County's elevated rate reflects elevated home values, Spokane County sits close to the statewide average, and Pierce County runs toward the state's high end. There is no single statewide Washington property-tax figure that substitutes for this county-specific research.
Key takeaways
- Washington's statewide average effective property tax rate runs roughly 0.75%, with a real, disclosed 0.73%-0.94% spread across aggregators -- genuinely moderate by national standards.
- Washington law (RCW 84.55/Initiative 747) generally caps most local taxing districts' total levy growth at 1% per year -- a real constraint on the district's collections, not on any individual property's bill.
- Washington has no individual-property assessment cap comparable to California's Proposition 13 or Michigan's Proposal A -- a buyer's bill tracks current assessed value directly.
- King County (Seattle) runs toward the higher end of Washington's rate range (elevated values, not an unusually high rate); Spokane County runs close to the statewide average; Pierce County (Tacoma) runs toward the state's high end.
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