A point-in-time snapshot released from the archive.
Newest snapshot 2 vintages published
August 2024
2 years old · released from the archive
Free. Confirm an email address and the download starts — no account, no card.
Parcel data is point-in-time. An older vintage is the right download when you need the roll as it stood on a particular date.
Archive vintage
3 years old
27,260 parcel features, 79 attributes, 57% weighted attribute fill. Reprojected to WGS 84 (EPSG:4326); geometries repaired where invalid. Point-in-time snapshot. No cross-county schema normalisation.
79 attribute fields recorded for this county. No two assessors use the same names — these are Grundy's.
| Field | Type | Filled | Example values |
|---|---|---|---|
| objectid | OFTInteger | 2914, 2952, 3073 | |
| joined | OFTInteger | 1, 1, 1 | |
| planid | OFTInteger | 29807, 29804, 3114 | |
| name | OFTString | 1031300009, 1031300007, 1030300003 | |
| statedarea | OFTString | 0.55, 0.94, 1.76 | |
| compiled | OFTInteger | 0, 0, 0 | |
| historical | OFTInteger | 0, 0, 0 | |
| systemstar | OFTString | 2015-04-30, 2015-04-30, 2015-04-30 | |
| systemendd | OFTString | ||
| legalstart | OFTString | 2020-04-02, 2020-04-02, 2020-05-07 | |
| legalendda | OFTString | 2023-05-23, 2020-08-01, 2017-02-01 | |
| groupid | OFTInteger |
Grundy County is one of 102 counties in Illinois, GEOID 17063, covering 418 square miles of land.
The datasets here are point-in-time snapshots of the county's public parcel records, published as received. They are not normalised against other counties and they are not live — the newest vintage on this page is August 2024, which is 2 years old. Check the field list before you commit to a download; the column names are the county's own.