King County Sheriff

Emergency: Call 9-1-1 

King County Courthouse
516 Third Ave
Room W-150
Seattle, WA 98104
(206) 296-4155
TTY Relay: 7-1-1
sheriff@kingcounty.gov

Call (206) 296-3311 to report a neighborhood problem or a crime that is not an emergency.

 

 

 

 

 

 

 

 

 

 

 

What you’ll need

When you are registering, you will need:

  • Your ID
  • The date and place of your conviction
  • The offense for which you were convicted

Notifying Us of a Move

Once you have registered with us (or re-registered upon moving back into King County) you need to keep us informed if you move. You can notify us in person or in writing at the following address:

Registration Desk
King County Sheriff's Office
516 3rd Avenue, Room W-150
Seattle, WA 98104

If you move outside of King County, please notify us in writing. You will also need to register in person at the sheriff's office in the county to which you move.

Locations and Times

Convicted sex offenders who live in King County can register at:

King County Courthouse
Registration Desk, Room W-150
516 Third Avenue
Seattle, Washington 98104
Hours: 8:30 am - 4 p.m. weekdays
Close holidays

Registration takes approximately 30 minutes. At this time, you will be fingerprinted and photographed.