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King County Department of Assessments

Fair, equitable, and understandable property valuations
DEPT. OF ASSESSMENTS
500 Fourth Ave.,
#ADM-AS-0708
Seattle, WA 98104

DIRECTIONS

HOURS
Mon – Fri: 
8:30 a.m. to 4:30 p.m.

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

E-MAIL US

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DID YOU KNOW?

We are available to help you if you have questions about these forms or need assistance completing them. Please give us a call.

Senior exemptions: 206-296-3920
Senior deferrals: 206-263-2324
Personal property listing: 206-296-5126

Expense table and calculations

FORMS

The following forms are in .PDF format. You will need a copy of PDF reader to view these files. For more information visit Software help.

Public Records Disclosure Request Form

Exemptions and Deferrals

Senior Citizens
  Senior Citizen and Disabled Exemption
     2014
     2013
     2012
     2011

  Senior Citizen and Disabled Deferral

  Proof of Disability (if you are not on SSI)
Limited Income Deferral
Destroyed Real or Personal Property
Historic Property Exemption
Home Improvement Exemption
Farm Machinery and Equipment Exemption (external link)

Personal Property

eListing - file your personal property listing online
New Business Set-Up - to set up your personal property tax account
Personal Property Listing - to file by mail
Advance Tax Request - if you sell or close your business
Leasing Equipment Listing Form – Please contact us to discuss the reporting requirements.

Real Property

Segregation-merger - to divide a parcel or merge parcels