Latest Updates
November 15-16, 2025: All GIS functionality will be unavailable over portions of these two days while routine maintenance is performed.
Kane County Assessment Office is open to the public. The Kane County Assessment Office is open to the public during normal business hours of 8:30 a.m. and 4:30 p.m., Monday through Friday. The office will be closed on the following 2025 holidays:
- New Year's Day (Wednesday, January 1)
- Martin Luther King, Jr. Day (Monday, January 20)
- Lincoln's Birthday (Wednesday, February 12)
- Washington's Birthday (Monday, February 17)
- Spring Holiday (Friday, April 18)
- Memorial Day (Monday, May 26)
- Juneteenth Independence Day (Thursday, June 19)
- Independence Day (Friday, July 4)
- Labor Day (Monday, September 1)
- Columbus Day (Monday, October 13)
- Veterans Day (Tuesday, November 11)
- Thanksgiving Day (Thursday, November 27)
- Day following Thanksgiving (Friday, November 28)
- Christmas Day (Thursday, December 25)
- Day following Christmas (Friday, December 26)