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King County Assessor Customer FAQ

Top Answers & How-to Guides

What is King County Assessor's Phone Number?

The question we are asked most often is about how to talk to King County Assessor customer service. Click here for contact information, email and chat options, getting a live person, wait times and more.

What is the deadline for filing a property tax appeal?

The deadline for filing a property tax appeal in King County is determined by the specific assessment year and is generally April 30th...
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Role of Assessor

What is the role of the King County Assessor?

The primary role of the King County Assessor is to accurately and fairly determine the value of properties within King County. This...
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Assessment Frequency

How often is property assessment conducted?

Property assessments in King County are conducted annually. The Assessor's Office follows a systematic approach to evaluate each property's...
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Determining Property Values

What factors are considered in determining assessed property values?

The assessed property values in King County are determined by considering various factors. These factors include the property's location,...
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Exemptions & Deferrals

What exemptions and deferrals are available for property owners?

Property owners in King County may be eligible for several exemptions and deferrals. The most common exemption is the Senior Citizen...
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Property Types

What is the difference between real property and personal property?

Real property refers to land and any structures permanently affixed to it, such as houses or buildings. It also includes items attached...
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Tax Appeal Deadline

What is the deadline for filing a property tax appeal?

The deadline for filing a property tax appeal in King County is determined by the specific assessment year and is generally April 30th...
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