Washington State Property Tax Guide 2025

Washington has no state income tax, making property taxes a critical revenue source. The average effective rate is about 0.98%, but King County (Seattle) homeowners pay significantly more due to high property values — median bills exceed $6,000/year.

How WA Property Taxes Work

Washington property taxes fund multiple taxing districts — county, city, school, fire, library, port, and others. Your total rate is the sum of all overlapping districts. A typical homeowner has 10-15 taxing districts on their bill.

Properties are assessed at 100% of market value (called "true and fair value") by the county assessor. Counties revalue properties on a 4-year cycle, with annual adjustments between physical inspections.

The 1% Levy Limit

Washington's constitution limits regular levy increases to 1% per year (plus new construction). This is a powerful protection — even if your home's value doubles, your regular levy taxes can only grow 1% annually.

However, voter-approved levies (bonds, special levies) are exempt from this cap. School construction bonds, fire district levies, and library bonds can add significantly to your bill. These "excess levies" are the main reason some areas have higher effective rates.

Average Tax Rates by County

Rates vary significantly within counties depending on school district, fire district, and other local levies.

Exemptions & Tax Relief

• Senior/Disabled Exemption: Homeowners 61+ OR disabled with household income under $58,423 qualify for reduced assessed value or frozen taxes. Three tiers based on income level.
• Senior/Disabled Deferral: Same eligibility — you can defer all property taxes until you sell or pass away. Interest rate is very low (~3%). Great for cash-poor, home-rich seniors.
• Disabled Veterans: Up to $60,000 reduction in assessed value (income-based)
• Current Use (Open Space): Farm, timber, and open space land assessed at current use value instead of highest-and-best-use
• Home Improvement Exemption: Up to $30,000 of improvements to a single-family home can be exempt from assessment for 3 years

No Income Tax, Higher Property Tax?

Washington is one of 9 states with no personal income tax. The state relies heavily on sales tax (6.5% state + local) and property taxes to fund services. While the effective property tax rate is near the national average, the high home values in the Puget Sound region mean dollar amounts are well above average.

How to Appeal Your Assessment

1. Contact the Assessor: Start by calling or visiting your county assessor's office. Many issues are resolved informally.
2. Board of Equalization (BOE): File a petition by July 1 (or 60 days after the change notice, whichever is later). The BOE is a citizen panel — hearings are informal. Bring 3-5 comparable sales.
3. State Board of Tax Appeals: Appeal the BOE decision within 30 days. More formal process.
4. Superior Court: Final appeal option.

Key Dates

• January 1: Assessment date
• March-May: Change of value notices mailed
• April 30: First half payment due
• July 1: Appeal deadline to Board of Equalization
• October 31: Second half payment due
• December 31: Deadline for exemption applications (for following year)