Credit/debit card payments can be made in person at the Treasury Office, located at the City of Portage City Hall 7900 S. Westnedge Avenue. To pay with a credit/debit card via phone call 844-943-3997 option 1 you must have your Utility account number or to pay via internet visit www.portagemi.gov and click on $ on the home page. Invoice Cloud (third party vendor) charges a processing fees for all credit/debit payments. The processing fee via online or in-person is $3.95 and payment via phone is $4.70. The maximum payment per transaction amount is $500.00.