Treasurer's Office

The City of West Allis Treasurer's Office:

  • Collects property taxes, business personal property taxes and special assessments
  • Manages the City's cash and investments
  • Processes rent payments, benefit payments and various other payments
  • Processes water and sewer payments
  • Sells parking permits

Online Billing & Payment

2019 Tax Information

  • View the 2019 Property Tax Information Brochure here. (PDF)

Pay your 2019 Taxes online.

2020 Tax Pre-Payment Information 

Under state law (section 7413, Wisconsin Statutes), general property taxes, special assessments, special charges and special taxes may be paid in advance of the levy during the period from August 1 until the third Monday in December each year. This means:

  • Pre-payment of 2020 taxes are allowed from August 1, 2020 to December 21, 2020.
  • Pre-payment of 2021 taxes may be made from August 1, 2021 to December 20, 2021.