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Property Tax Bills

2025 Property Tax Bills bill be mailed out April 27, 2026

Due Dates
1st Installment due June 4, 2026 
2nd Installment due Sept 4, 2026

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For Any Tax Related Questions
Call Lake County Treasurer's Office 847-377-2323
Or visit 
lakecountyil.gov/198/Treasurers-Office

Office Hours 

Monday – Friday  8:30AM-4:30PM 

*Hours subject to change due to staffing*

Office Address 

1490 Main Street

Antioch, Illinois 60002

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