Cook County Assessor

E177878

county assessor office elected office

The Cook County Assessor is the elected official responsible for valuing properties for tax purposes throughout Cook County, Illinois, including the city of Chicago.

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All labels observed (3)

Label	Occurrences
Cook County Assessor canonical	6
Cook County Assessor’s Office	1
Cook County property tax system	1

How this entity was disambiguated

This entity first appeared as the object of triple T1530177 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Cook County Assessor
Context triple: [Cook County Building, occupant, Cook County Assessor]

A. Cook County Treasurer
The Cook County Treasurer is the elected official responsible for collecting and managing property taxes and other public funds for Cook County, Illinois.
B. Cook County Board of Commissioners
The Cook County Board of Commissioners is the elected legislative and governing body responsible for setting policy, passing ordinances, and overseeing the budget and operations of Cook County, Illinois.
C. City Clerk of Chicago
The City Clerk of Chicago is an elected municipal official responsible for maintaining city records, overseeing the City Council’s legislative documentation, and managing services such as city vehicle stickers and business licensing.
D. Clerk of the Circuit Court of Cook County
The Clerk of the Circuit Court of Cook County is the elected official responsible for maintaining court records, managing case filings, and overseeing administrative support for one of the largest unified court systems in the United States.
E. Cook County State's Attorney
The Cook County State's Attorney is the chief prosecutor for Cook County, Illinois, responsible for prosecuting criminal cases and representing the county in legal matters.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Cook County Assessor
Target entity description: The Cook County Assessor is the elected official responsible for valuing properties for tax purposes throughout Cook County, Illinois, including the city of Chicago.

A. Cook County Treasurer
The Cook County Treasurer is the elected official responsible for collecting and managing property taxes and other public funds for Cook County, Illinois.
B. Cook County Board of Commissioners
The Cook County Board of Commissioners is the elected legislative and governing body responsible for setting policy, passing ordinances, and overseeing the budget and operations of Cook County, Illinois.
C. City Clerk of Chicago
The City Clerk of Chicago is an elected municipal official responsible for maintaining city records, overseeing the City Council’s legislative documentation, and managing services such as city vehicle stickers and business licensing.
D. Clerk of the Circuit Court of Cook County
The Clerk of the Circuit Court of Cook County is the elected official responsible for maintaining court records, managing case filings, and overseeing administrative support for one of the largest unified court systems in the United States.
E. Cook County State's Attorney
The Cook County State's Attorney is the chief prosecutor for Cook County, Illinois, responsible for prosecuting criminal cases and representing the county in legal matters.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	county assessor office ⓘ elected office ⓘ
affects	property tax bills of Cook County property owners ⓘ
appliesTo	all taxable real property in Cook County, Illinois ⓘ
canBeChallengedAt	Cook County Board of Review ⓘ
cooperatesWith	Cook County Board of Review ⓘ Cook County Treasurer ⓘ Illinois Department of Revenue ⓘ
country	United States ⓘ linked to: United States of America
electedBy	voters of Cook County, Illinois ⓘ
electionCycle	every four years ⓘ
employs	professional assessment staff ⓘ
establishedIn	Cook County, Illinois ⓘ
governmentBranch	executive branch of Cook County government ⓘ
governmentLevel	county ⓘ
governsTaxBase	property tax base of Cook County ⓘ
hasAssessmentDistricts	townships in Cook County ⓘ
hasBuilding	Cook County Administration Building ⓘ linked to: Cook County Building
hasOfficeHolder	Fritz Kaegi ⓘ
hasWebsite	https://www.cookcountyassessor.com ⓘ
headquartersLocation	Chicago, Illinois ⓘ linked to: Chicago, Illinois, United States
includesJurisdiction	City of Chicago ⓘ suburban municipalities in Cook County ⓘ
jurisdiction	Cook County, Illinois ⓘ
languageOfWork	English ⓘ
locatedIn	Cook County, Illinois ⓘ State of Illinois ⓘ linked to: Illinois
officeAddressCity	Chicago ⓘ linked to: City of Chicago
officeType	partisan elected office ⓘ
oversees	classification of property for assessment purposes ⓘ mass appraisal of property ⓘ
partOf	Cook County government ⓘ
positionHeld	Cook County Assessor ⓘ
regionServed	Cook County metropolitan area ⓘ linked to: Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area
responsibleFor	administering property tax exemptions as authorized by law ⓘ annual updates of certain property assessments ⓘ assessing property for ad valorem taxation ⓘ maintaining assessed value roll for Cook County ⓘ property assessment ⓘ public information on property assessments ⓘ triennial reassessment of property in Cook County ⓘ valuing real property for tax purposes ⓘ
subjectOf	Cook County property tax system ⓘ
subjectTo	Cook County ordinances ⓘ Illinois state law ⓘ
typeOfTax	ad valorem property tax ⓘ
uses	property tax assessment models ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cook County Building → occupant → Cook County Assessor ⓘ

Fritz Kaegi → positionHeld → Cook County Assessor ⓘ

subject linked to: Cook County Assessor

Cook County government → hasAgency → Cook County Assessor ⓘ

Cook County Board of Review → worksWith → Cook County Assessor ⓘ

Maria Pappas → areaOfResponsibility → Cook County property tax system ⓘ

linked to: Cook County Assessor

Fritz Kaegi → occupation → Cook County Assessor ⓘ

Fritz Kaegi → officeContested → Cook County Assessor ⓘ

Fritz Kaegi → employer → Cook County Assessor’s Office ⓘ