Online Billing
Helpful Forms and Info
Account Change Request Form

We Heard You – A New Billing Portal Is Finally Here!

Click the "Payment Portal" link above to check out the new site, powered by InvoiceCloud. 

If you have questions about the new payment portal, take a look at our Utility Billing Payment Portal FAQ.

Updated: 01/16/24

Rates Information for 2024

City Utilities

The City of Mountlake Terrace provides water, sewer and stormwater utilities within the city limits, and bills every other month for these services. The city supplies nearly 2 million gallons per day of high-quality drinking water to more than 6,000 homes and businesses.

The city is committed to providing timely and accurate billings, collecting payments fairly and equitably, and meeting customer needs.

Financial Assistance

A discount program is offered to those who fall under the county income limit. The application is available in the 'Helpful Forms & Information' page linked above. Payment plans and arrangements can be requested through utility billing. Contact us via email or by calling in to find a solution that will work best for you.

Water & Sewer Emergencies

For water or sewer line breaks, please contact our Public Works Department at 425-670-8264 between the hours of 7 a.m. and 3:30 p.m., Monday through Friday. For after-hours emergencies, please call the Snohomish County non-emergency number 425-407-3999 and they will reach our on-call staff.