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The Third Avenue entrance to the King County Courthouse is temporarily closed. Please use the Fourth Avenue entrance.  
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For questions about your capacity charge bill:

Phone: 206-296-1450 or TTY: 711

Fax: 206-263-6073

Customer service hours are 8 a.m. - 4:30 p.m., Monday - Friday.

For questions about your sewer service bill:

Contact your local sewage service provider.

Contact Us

Phone: 206-296-1450

Fax: 206-263-6073