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Cook County Property Records by PIN
x402
Cook County Property Records by PIN is a paid API for AI agents from api.jobsproperty-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Returns yearly Cook County (Illinois) assessor parcel records — assessment class, township, neighborhood code, property address, and ZIP — for a 14-digit PIN, sourced from Cook County Open Data.
Price / call$0.002
Success—
StatusUnknown
How this service works
Cook County (Illinois) assessor parcel records by 14-digit PIN from the Cook County Open Data portal: yearly assessment class, township, neighborhood code, property address and ZIP. Owner names are not returned. Yearly rows, newest first.
Output
A JSON object containing the 14-digit PIN, the number of records found, a source URL pointing to the Cook County data catalog, and an array of yearly records (newest first) each with ZIP, city, year, township, assessment class, property address, and neighborhood code, plus a checkedAt timestamp.
Example use cases
Verify property details before purchase
“I'm looking at a property in North Riverside, Illinois and the seller gave me PIN 14-digit number 15261120200000 — can you pull the Cook County assessor records so I can confirm the address, assessment class, and township for the last 5 years?”
Enrich real estate portfolio with assessment data
“I have a list of Cook County PINs for properties I own — can you look up PIN 12345678901234 and get me the assessment class, neighborhood code, and property address for the past 5 years?”
Audit neighborhood assessment classifications
“I'm researching assessment patterns in Riverside township — can you fetch the Cook County parcel records for PIN 15261120200000 and tell me if the assessment class has changed over the last 10 years?”
Technical details
Endpoint
GEThttps://api.jobsproperty-api.workers.dev/api/realestate/cook-county-property-records?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need official Cook County assessor parcel data (assessment class, township, neighborhood, address, ZIP) for a specific Illinois property identified by its 14-digit PIN. Prefer this over general property search APIs when you already have the PIN and need structured yearly assessment history directly from the Cook County Open Data portal. Not suitable for owner name lookups or properties outside Cook County, Illinois.
Side effects
- Invalid or malformed PIN (non-14-digit) returns an error or empty result
- PIN not found in Cook County Open Data returns zero records
- limit parameter out of range (outside 1–20) may cause validation error
- Cook County Open Data portal downtime causes upstream fetch failure
- Rate limiting or payment failure returns HTTP 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"pin": "15261120200000",
"count": 3,
"source": "https://datacatalog.cookcountyil.gov/resource/tx2p-k2g9.json",
"records": [
{
"zip": "60546",
"city": "NORTH RIVERSIDE",
"year": 2023,
"township": "Riverside",
"assessmentClass": "203",
"propertyAddress": "2336 S 4TH AVE",
"neighborhoodCode": "34010"
},
{
"zip": "60546",
"city": "NORTH RIVERSIDE",
"year": 2022,
"township": "Riverside",
"assessmentClass": "203",
"propertyAddress": "2336 S 4TH AVE",
"neighborhoodCode": "34010"
}
],
"checkedAt": "2026-10-23T09:36:59.045Z"
}
}Tags
x402
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