City of Cosmopolis


As Mayor of Cosmopolis, I would like to welcome you to our official Web site. We are excited about this new addition and hope that you will take advantage of our internet services from the convenience of your home or work, twenty-four hours a day, seven days a week.

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History of Cosmopolis

City of Cosmopolis

Cosmopolis is the oldest city on Grays Harbor, since a donation land claim filed there in 1852. It was incorporated in 1891, and is a code city. According to James Phillips, Washington State Place Names, the city was named in 1853 and means "city of the world". Local people prefer, with noticeable affection, to use the...

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Latest News

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Around the Community

View Our 2020 Cosmopolis Area Wide Plan

Click Here to View our 2020 Cosmopolis Area Wide Plan

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