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DEPT. OF ASSESSMENTS
500 Fourth Ave.,
#ADM-AS-0708
Seattle, WA 98104

DIRECTIONS

HOURS
Mon., Tue., Wed., Fri:
8:30 a.m. to 4:30 p.m.
Thu: 9:30 a.m. to 4:30 p.m.

PHONE
Tel: 206-296-7300
Fax: 206-296-5107
TTY: 206-296-7888

E-MAIL US

Dear King County Taxpayer:

As real estate values have dropped, there is a natural expectation that your property taxes should drop as well. However, this may not be the case.

READ MORE
Lloyd Hara, King County Assessor.

Lloyd Hara,

King County Assessor

Property taxes fund state and county services, including roads, transit, schools, libraries, and hospitals.
  • Seattle skyline, aerial view.
  • A King County Metro bus.
  • A boy at Madison Park beach
  • Cargo and Cruise ships docked at Harbor Island
  • King County Housing
  • A King County worker on a forklift
  • DOT road construction
  • Sammamish bike trail
  • Sheriff's Department aerial support
  • A school bus picking up King County children
  • A rural King County road.
  • Snowplows clearing a King County Road
  • Seattle Fire Department
  • Students studying at the Seattle Public Library
  • An ambulance arriving at Harborview Medical Center
  • A Seattle neighborhood
  • A King County ambulance

TAXPAYER ASSISTANCE

TAX RELIEF
APPEALS
TAX ADVISOR

Several types of tax exemptions and deferrals are available for homeowners, farmers and business owners in King County. In addition, you can get help if you have a question about your assessment or would like to file an appeal.

Just click on the tab above for your area of interest.

PROPERTY TAX ASSESSMENTS

PERSONAL
BUSINESS
RESIDENTIAL

Each year, our staff of accredited real estate appraisers value more than 660,000 residential and commercial properties throughout King County, as well as personal property used in business. Those valuations are then used to calculate the owner's property taxes for the following year.

Your property taxes fund state and county services, including roads, transit, schools, libraries, parks, hospitals, fire and rescue, law enforcement, environmental and social services.

To learn more, click on the relevant tab above.

QUICK ANSWERS

SENIORS
BUSINESS
RESIDENTIAL

Just looking for a quick answer? Click on the tab above for your area of interest.

If you don't find what you need, visit the appropriate section of our website or call us at 206-296-7300.

NEWS ROOM

KEY DATES 2010

  • April 30 First half of property taxes due
    (Total due if less than $50)
  • April 30 Personal property listing forms due
  • June 1 Three percent penalty assessed on delinquent taxes
  • July 1 Appeals to the County Board of Equalization must be filed by July 1 or within
    60 days of notification.
  • Sept. 1 Applications for limited income
    deferrals due
  • Oct. 31 Second half of property taxes due
  • Dec. 1 Eight percent penalty assessed on delinquent taxes
  • Full 2010 Property Tax Calendar (.PDF, External link)

KEY LINKS

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