King County Water District #90
15606 SE 128th Street
Renton, WA 98059
425-255-9600 Office
Contact via E-mail
Open 8:00am - 4:30pm Monday - Friday

Customer Account Update

Please complete the following form to update your account. Once received, we will confirm this information prior to making changes to your account.

Account Basics:

First Name
Last Name
Account Number (if known)
Email Address
Phone Number
Phone Number - Secondary

Service Address:

Street Address
Zip Code

Mailing Address: (optional)

Street Address
Zip Code


How can we help you?
Do NOT include any sensitive data in this form, such as SSN, Credit Card or Payment information. Please call with such information.
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