Supervisor of Assessments

Supervisor of Assessments

The mission of the Peoria County Supervisor of Assessment’s Office is to provide the public with top quality services by helping the public access information and understand the property assessment process. The Supervisor of Assessment’s Office applies the property tax law with integrity, efficiency and fairness.

The Peoria County Supervisor of Assessment’s Office continually strives to be the lead property assessment agency in Illinois by working creatively through utilizing technology and serving the public in a courteous, professional and transparent manner. Customer service is our top priority, so please feel free to email and let me know how we are doing.

Dave Ryan

Supervisor of Assessments
Peoria County

Main Phone #: 309-672-6910

FY 2023 Budget:               $701,965

Beginning June 12, 2023 
Office hours will be 8:30 am - 4:30 pm

FOIA Officers:

Kristie Bigliazzi
John Wiggins

Legal Notice:

 Assessor meeting:

February 2nd at 3:15 p.m.  

Peoria County Courthouse Room 402

324 Main St. Peoria, IL 61602

 On Friday February 2nd, there will be an Assessor's meeting held in room 402 of the Peoria County Courthouse beginning at 3:15 p.m.  The following items will be discussed as it relates to instructions and information for valuing property in 2024.

  • Introductions
  • Responsibilities
  • Assessor qualifications
  • 2024 values
  • Exemptions
  • Building permits
  • Dates for work to be completed.
  • Board of Review
  • Miscellaneous items