County Seal of DeKalb County Government
DeKalb County, Illinois

Chief County 
Assessment Office


Margaret Whitwell - CIAO-I
Administration Building 
11 Sycamore Street, Sycamore, IL 60178
Hours: 8:30 A.M. - 4:30 P.M.
Phone:  (815) 895-7120  
FAX: (815) 895-1684
email assessment: 
ccao@dekalbcounty.org

email mapping:  assessmentmaps@dekalbcounty.org 


DeKalb County Assessors pdf

The Chief County Assessment Officer has several functions as set by statute. The Officer supervises township assessors in making uniform assessments on real estate, equalizes assessments by township within the County, serves as Clerk of the County Board of Review, and acts as chairman of the County Farmland Assessment Review Committee.

The Chief County Assessment Officer coordinates the assessor’s activities; prepares, maintains, and updates the cadastral maps for the County by recorded documents; reviews, revises, and makes assessment corrections as shall appear to be just; calculates and applies equalization factors for all townships; yearly publishes assessment changes for each township and publishes all assessments in a general reassessment year (quadrennial year); maintains all assessment exemption information; and maintains ownership records for all property in the County.

 

 

 

 

 

    

Assessment & Property Tax Search

How to Find the Property Index Number (PIN) required by the State Revenue Form IL-1040

Board of Review
  PTAB Information
  Rules
pdf

Certificates of Error

Exemptions

Farmland Assessment Review
Forms
Frequently Asked Questions
News Releases
Sr. Assessment Freeze Information
2009 Annual Report pdf
   

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