Winnebago County
Illinois
Winnebago County Seal

Important Dates


January 1st
1.) Assessments are based on the value of the property as of January 1st
2.) Eligibility for homestead exemption is dependent on occupancy as of January 1st

March 30th
The renewal applications for Senior Citizen Freeze Homestead Exemptions are usually mailed around March 30th 

May 1st
Tax bills are usually mailed on approximately May 1st

June 1st
The first installment (1/2 of total bill) is due around June 1st or 30 days after tax bills are mailed

July 1st
The deadline for returning Senior Citizen Assessment Freeze applications is July 1st 

Last week of July
Assessments changes are usually published and notices mailed between July 29-31

August 29, 2016
The deadline for filing assessment complaints is 30 days after assessments were published.

September 1st
The second (final) installment of tax bills in usually due around September 1st

September 23, 2016

All evidence for those Real Estate Assessment Complaints requesting an assessment reduction of less than $100,000 are due

 

October 13, 2016

All evidence for those Real Estate Assessment Complaints requesting an assessment reduction of $100,000 or more are due

 

 

 

 

Winnebago County
404 Elm Street
Rockford, IL 61101
OFC: (815) 319-4444
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