The Lake County Treasurer's office will be accepting prepayments for tax year 2021 due in calendar year 2022 from December 15th through December 29th.
Prepayment amounts are limited to the tax amount due in 2021 as a maximum. Payments should be made by check, clearly identified as a property tax prepayment, and include your PIN number. Checks can also be mailed to: 18 N. County St., Room 102, Waukegan, IL 60085. Please provide extra time for mail during the busy holiday season.