Assessment & Property Information

Local Information

Belvidere Township
Boone County Website
Boone County Mapping
Boone County Property Search
Boone County Sales Locator
City of Belvidere
FOIA

2026 Office Closures

Jan. 1 – New Years Day
Jan. 19 – Martin Luther King Day
Feb. 12 – Lincoln’s Birthday
Feb. 16 – President’s Day
April 3 – Good Friday
May 25 – Memorial Day
June 19 – Juneteenth

July 3 – Independence Day
Sept. 7 – Labor Day
Oct. 12 – Columbus Day
Nov. 11 – Veteran’s Day
Nov. 26 & 27 – Thanksgiving
Dec. 24 & 25 – Christmas
Dec. 31 – New Years Eve

Contact Information

8200 Fairgrounds Road
Belvidere, IL 61008
P: 815-547-8095
F: 815-544-2680
Hours: M-Th. 8:30am – 4:30pm Fri. 8:30am – 12:00pm
assessor@belvideretownshipassessor.com