From the city website …
The 1st Installment of the 2019 Tax bill is due January 31, 2020. To view or print your tax bill, click here. You can pay taxes by E-Check, credit, or debit card through our service provider: Official Payments Corporation (a convenience fee will be charged.) See the Treasurer’s Office page for more information, or refer to the tax flyer you received with your bill.
And for more context on the city increase, and budget, click here.
South Milwaukee Blog 