Cook County Assessor
E177878
The Cook County Assessor is the elected official responsible for valuing properties for tax purposes throughout Cook County, Illinois, including the city of Chicago.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cook County Assessor canonical | 3 |
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 of America
ⓘ
surface form:
United States
|
| 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 Building
ⓘ
surface form:
Cook County Administration Building
|
| hasOfficeHolder | Fritz Kaegi ⓘ |
| hasWebsite | https://www.cookcountyassessor.com ⓘ |
| headquartersLocation |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
|
| includesJurisdiction |
City of Chicago
ⓘ
suburban municipalities in Cook County ⓘ |
| jurisdiction | Cook County, Illinois ⓘ |
| languageOfWork | English ⓘ |
| locatedIn |
Cook County, Illinois
ⓘ
Illinois ⓘ
surface form:
State of Illinois
|
| officeAddressCity |
City of Chicago
ⓘ
surface form:
Chicago
|
| officeType | partisan elected office ⓘ |
| oversees |
classification of property for assessment purposes
ⓘ
mass appraisal of property ⓘ |
| partOf | Cook County government ⓘ |
| positionHeld | Cook County Assessor self-linksurface differs ⓘ |
| regionServed |
Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area
ⓘ
surface form:
Cook County metropolitan 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cook County Assessor Description of subject: The Cook County Assessor is the elected official responsible for valuing properties for tax purposes throughout Cook County, Illinois, including the city of Chicago.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Fritz Kaegi