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8155478095 8200 Fairgrounds Road assessor@belvideretownshipassessor.com

Welcome to the Belvidere Township Assessor's Website

Assessment news & information for Belvidere, IL Township

  • About Us
  • Assessor Responsibilites
  • Assessment & Property Information
    • Appeal Forms & Information
    • Exemption Information
    • Sales by House Type
    • FAQ
    • Terms & Definitions
  • Property Tax
    • Understanding Property Taxes
    • Property Tax Breakdown
    • Taxing Bodies
    • Boone County Treasurer
  • Freedom of Information Request (FOIA)
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Forms and Documents

Appeal Forms and Instructions

Appeal Instructions

Residential Appeal

Farm Appeal

Commercial/Industrial Appeal

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