MERCER ISLAND MUNICIPAL COURT NEW PERMANENT LOCATION 

 

 Mercer Island Municipal Court  

12835 Newcastle Way, Suite 301

Newcastle, WA 98056

206-275-7604

 

*** All hearings will be held on Floor 2 -

Newcastle City Council Chambers ***

 

All payments and filings must be sent to the Mercer Island Municipal Court address above.

Please be sure to include Suite 301 for proper mailing.

 

For any questions or further information please contact your attorney.  If you are not represented, contact the Court at 206-275-7604 or Email Mercer Island 

Click here for more information on the closure of Mercer Island City Hall. 


Mercer Island Municipal Court hears all criminal misdemeanor cases and processes all non-criminal traffic citations and parking citations for violations occurring within the city limits of Mercer Island and Newcastle.

Mercer Island Municipal Court is located in Newcastle City Hall

12835 Newcastle Way, Suite 301
Newcastle, WA 98056

Phone: 206.275.7604
Email: [email protected]
Fax: 206.275.7980

Mailing Address

Mercer Island Municipal Court
12835 Newcastle Way, Suite 301
Newcastle, WA 98056

Hours of Operation

Monday – Thursday: 9:00 am to 4:00 pm.
If the front door is locked during hours of operation, please call 206-275-7604, option 4 

The court is closed on Fridays, Saturdays, Sundays and Holidays.

For all tickets and court cases that were issued before January 1, 2005 you must contact the King County District Court, East Division at 206.205.9200.
 
Mercer Island Municipal Court does not handle civil protection orders or civil or small claim cases.  These cases can be filed with the District Court.  Click here for King County District Court.

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