Assessment Office

County Supervisor of Assessment: Sonia Hochstetler
Phone #: (309) 345-3845
Fax Number: (309) 343-0063
Office Hours:  Monday-Friday 8:30AM-4:30PM

Knox County Annex-Suite 1
121 South Prairie Street
Galesburg, IL  61401

Freedom of Information Officer:  Scott G. Erickson, County Clerk

Duties of Office: The County Assessment Office provides a variety of services to the public including:

  • Determine accurate market value estimate of property and assure that similar properties have similar assessments.
  • Oversee the township assessors and review their work in valuing real estate.
  • Maintain tax mapping and property assessment records.
  • Monitor and assist property owners with eligible exemptions.

How to get information: Information regarding the County Assessment office may be obtained by phone or in person.  To reach the office by phone, please call 309-345-3845.  Requests by mail should be sent to 200 South Cherry Street, Galesburg, IL  61401.

Employees:  Full Time 3 Annual Budget Available HERE