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King County Sheriff's Office
Ensuring the safety of people in King County is our top priority. We aim to do this based on our core values of leadership, integrity, service and teamwork. We expect to provide the best customer service by working with you to address your concerns.
With over 1200 employees, the King County Sheriff's Office (KCSO) serves the needs of over half million people in unincorporated areas and twelve contract cities. KCSO also provides police departments for the Muckleshoot Tribe, Metro and Sound Transit and the King County International Airport.
Messages from KCSO

How KCSO Responds to Reports Involving ICE or Federal Immigration Activity
Community members have shared questions about safety, trust, and how local law enforcement interacts with federal immigration agencies. The King County Sheriff’s Office (KCSO) understands that these issues can create fear and uncertainty, especially for immigrant and mixed-status families.
We outline how we address these concerns, clarify the responsibilities of our deputies, and explain the steps we take to ensure our work remains transparent, community centered, and separate from federal civil immigration enforcement.
You can read the full guidance here
Esta guía está disponible en español
This information is also available in these languages:
Services offered by KCSO (Alphabetic)
911 Communications center
Learn more about the 911 communications center
Accident report
Learn when and how to file or search for accident reports
Alien firearm license
Learn more about Alien Firearm License and how to apply
Bench warrants
Learn more about Civil Bench Warrant process
Clearance letters
Learn more how to obtain a Clearance Letter
Concealed pistol license
Learn more about concealed pistol license, alien firearm license and gun dealer license applications, fees and locations
Custodial interference
Learn more about custodial interference (writs of habeas corpus)
Evictions
Learn more about evictions (writs of restitution)
Fingerprinting
KCSO fingerprinting services and alternate locations
Firearm and ammunition disposal
Learn where to safely dispose of firearms and ammunition
Firearms dealer license
Learn where you can apply for a firearm dealer license
Firearm release notification
Request to be notified before release of firearms to a family member
Investigations
Learn more about the Criminal Investigations Division
Language access
This page provides information about KCSO’s language access program
Online reporting
Learn which incidents can be filed online, and when a phone call is required.
Property sales - auctions
Learn about upcoming real and personal property sales-auctions.
Protection orders
Protection orders include Domestic Violence, Extreme Risk, Anti-Harassment, Sexual Assault, Stalking and Vulnerable Adult Protection Orders.
Records request
Learn which records can be requested and inspected, and the associated fees.
Serving documents
The Civil Process Unit accepts legal documents for service.
Sex offender registration
Learn more about sex offender registration process
Sex offender search
Search for sex offenders and sign up for email alerts.
Special operations
Specialized units include TAC30 (formerly known as SWAT), hostage negotiation, bomb disposal, and more.
Therapeutic Response Unit
TRU mental health professionals are partnered with KCSO deputies to co-respond to calls for service to provide de-escalation, crisis intervention and social service referrals.
Trespass letter template
Learn more about the Trespass process
U Visa / T Visa
U Visa / T Visa allows immigration protection for victims of qualifying crimes and their qualifying family members (as appropriate), who are helpful to law enforcement in the detention, investigation or prosecution of criminal activity
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