Payment types accepted by the City in the Treasurer’s Office, include cash or check. Payments may be made in person at the Treasurer’s Office in City Hall, Monday through Friday, 8:00 a.m. to 5:00 p.m. until January 31st. Payments can also be made at one of the four Tri-City Bank branches located in Brookfield during the Tax Collection period. You can find information regarding Tri City collection hours on the tax insert enclosed with the bill, or look on the News and Announcements page starting in early December. In addition, a Payment Drop Box is located in the east parking lot at Brookfield City Hall, adjacent to Brookfield Central High School. Mailed payments are encouraged and should be MAILED EARLY. A return envelope is enclosed with your tax bill for your convenience. Please note: The West Allis PO Box on the return envelope is correct, because it is the location of our bank’s processing center. Any payments that are being mailed without the remittance portion should be mailed directly to 2000 N Calhoun Rd, Brookfield, WI 53005. Please include the tax key number on the check. Credit card and electronic check payments are available for real estate tax bills only, through the City of Brookfield website. Click on the "Payments" link on the home page and follow the onscreen instructions. Credit card transactions are subject to a 2.39% fee, with a $1.50 minimum transaction fee. Electronic check transactions are $1.50 per eCheck, $10 for transactions $10,000 or greater. Taxpayers have the choice of paying in full or paying in 2 installments. Should you choose to pay in installments, the 1st installment is due to the City of Brookfield by January 31st. The 2nd installment is due to the Waukesha County Treasurer by July 31st. Please mail or deliver all real estate tax bill payments made after January 31st, including 2nd installment payments directly to: Waukesha County Treasurer, 515 Moreland Blvd, Room 148 Waukesha, WI 53188 Phone: (262) 548-7029 Fax: (262) 896-8037 or click on the following link to Pay Your Taxes Online.