Administrative Department

Office Hours

Monday thru Friday 8:30 a.m. – 4:30 p.m.

Closed the following holidays: New Years Day, Good Friday, Memorial Day, July 4th,
Labor Day, Thanksgiving, Day After Thanksgiving, Christmas Eve, Christmas Day and
New Years Eve.


John Olson

Phone: (262) 728-3471
Fax: (262) 728-3473
Email: [email protected]


Michele Starin

Phone: (262) 728-3471
Email: [email protected] 


Darlene Stark

Phone: (262) 728-3471
Email: [email protected]

Tax Information

All first installments and/or payments in full for taxes are due on or before January 31st – payable to the Town of Delavan Treasurer at the Town of Delavan Town Hall, 5621 Town Hall Road between the Hours of 9:00 AM and 4:00 PM.

All second-half payments of taxes are due on or before July 31st – payable to Walworth County Treasurer at the Walworth County Government Center, 100 W Walworth St, Elkhorn, WI 53121.

FULL OR FIRST installment taxes may be paid online through AllPaid. There is a fee for this service.

Note: If you are paying your second installment via credit card you must go to the Walworth County website below to make that transaction.

SECOND INSTALLMENT must be made at:

Walworth County
100 W Wisconsin St
PO Box 1001
Elkhorn, WI 53121

Phone: (262) 741-4251
Website: Walworth County Taxes

You may pay the second installment online through the County at this site.