City of Cosmopolis

Cosmopolis Municipal Court

The Court consists of a part time Judge, David S. Hatch, and the Court Administrator, Shelley K. Willet. The Court office is open Monday through Friday, 8AM to 4PM.  After hours, payments may be left  in the night deposit located at City Hall. Court is held the 3rd Thursday of each month at 1PM. The Court office is closed when Court is in session.

Interpreter services are available.

Defendants who have been issued a Notice of Infraction have the option to adjudicate their case by mail. Forms are available to download for your convenience.

Mitigated Hearing by Mail (Word Document)

Contested Hearing by Mail (Word Document)


1312 First Street
P O Box 478
Cosmopolis, WA 98537
Phone:  (360) 532-9264
Fax: (360) 532-9273

Water Bill Payment

Payment Methods

Pay Your Water Bill Online

Important Numbers

Fire Department
(360) 532-6429

9am - 12pm

Police Department
(360) 532-9237

Monday - Friday
8am - 5pm

City Hall
(360) 532-9230

Monday - Friday
8am - 4pm

In Emergency Dial 911