Pay or View Bills

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In September 2020, the City Council authorized a temporary, 36-month utility tax increase to finance potential litigation against Sound Transit, expected to cost the average ratepayer approximately $50/year. To learn more or comment, please visit the City’s website https://letstalk.mercergov.org/Transit-Interchange

The City of Mercer Island is excited to offer residents an easy and convenient method to pay building related fees and to view and pay their utility bills online.

New! Pay by Phone is now available for Utility Bills. Make a Payment (credit card or e-check) by phone or check your account balance 24/7 with our automated phone service. Have your account number ready and call 855-844-0085.

Pay online

Fast and easy

No registration is required for "One Time Pay." The fastest way to pay online and confirm payment.

Safe and secure

Your information is kept confidential, secure, and backed by the highest security standards.

Eco-friendly

Paying online reduces paper use and is an easy way to help the environment.

Important: To ensure compliance with the latest security standards, Invoice Cloud will disable access for Internet browsers which do not support Transport Layer Security (TLS) versions 1.1 and 1.2 beginning April 4, 2018. To continue using online payments, customers must access the service with a compatible browser after that date. If your operating system is Windows XP or Vista, the Internet Explorer browser is no longer compatible with TLS 1.1 or 1.2. Both Firefox and Chrome are compatible browsers.

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View Frequently Asked Questions

You may reach us for any technical issues or questions at (206)275-7783 or [email protected]

Please be advised that some pdf's may display an incorrect balance however the balance due is correctly reflected on your account.
We are working to have them corrected as soon as possible.
Thank you for your patience & understanding in this matter.