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Official government websites use .gov

Website addresses ending in .gov belong to official government organizations in the United States.

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Secure .gov websites use HTTPS

A lock lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.

Property & Permit Guide

Find answers for properties in unincorporated King County 

Let's start by making sure the property is within King County's jurisdiction.

Please enter the parcel number:

Please input a parcel number.

Don't know the parcel number? Enter the street address to look it up:

Please enter an address.
Please enter a zip code.

If you don’t know the address or parcel number use:
Property Research And Maps

Customer Service Bulletin

Find out about office closures and other operational changes.

Download the customer service bulletin

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