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

  • 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
Property taxes fund state and county services, including roads, transit, schools, libraries, and hospitals.
Property Search   eReal Property Search
  View property characteristics, levy rate distribution, values and sale history

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.

News Alert:

May 3rd: Amnesty for unreported business personal property taxes in years 2009, 2010, or 2011, new ordinance aimed at increasing fairness and equity in personal property taxes; penalties waived through July 1st Press Release

Penalty Waiver Request Form - Amnesty for unreported business personal property taxes (Penalties waived through July 1st)

Personal Property Amnesty Q & A

A day in the life of a King County Appraiser

How is your property assessed?


2011 Property Tax and Valuations


NEWS ROOM

KEY DATES 2012

  • April 30th First half of property taxes due
    (Total due if less than $50)
  • April 30th 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 2012 Property Tax Calendar (.PDF, External link)

KEY LINKS

eReal Property icon eReal Property
View parcel characteristics, values and sale history
eSales icon eSales
Search sales for comparison
eListing icon eListing
File Personal Property Listing Online
Flood icon Recent flood and storm destroyed property