City Information
The 2020 Real Estate tax amounts, and payment data have been removed from our website. The 2021 tax information can now be viewed at Property Assessment and Tax Information.
County Information
The City of New Berlin collects taxes through July 31st of each year. On August 1st, unpaid taxes are turned over to Waukesha County for collection. The amounts outstanding, as well as any previous year’s taxes, can be accessed through the Waukesha County treasurer’s office at 262-548-7029.