33 attribute fields, profiled from the August 2024 vintage.
Columns in Madison County
| Field | Type | Filled | Distinct | Example values |
|---|---|---|---|---|
| parcel_id | OFTString | 48.3k | 057001 00100, 057001 00300, 057001 00400 | |
| pid | OFTString | 48.3k | 001 00100 000, 001 00300 000, 001 00400 000 | |
| situs | OFTString | 44.1k | WINDY CITY RD, WINDY CITY RD, WINDY CITY RD | |
| mail_addr1 | OFTString | 36.6k | HOLT BUYING GROUP, HOLT BUYING GROUP, HOLT BUYING GROUP | |
| mail_addr2 | OFTString | 32.3k | P O BOX 111, P O BOX 111, PO BOX 111 | |
| mail_addr3 | OFTString | 6.6k | 27 FORKED OAK RD, 2 HOLLY HILL RD, 5 HOLLY HILL RD | |
| mail_addr4 | OFTString | 1.6k | MILAN TN 38358, MILAN TN 38358, MILAN TN 38358 | |
| gislink | OFTString | 48.9k | 057001 00100, 057001 00300, 057001 00400 | |
| county_id | OFTInteger | 1 | 57, 57, 57 | |
| parcel_typ | OFTInteger | 5 | 1, 1, 1 | |
| calc_acre | OFTReal | 48.8k | 37.78544661, 6.50026664, 3.79834191 | |
| parcelid | OFTString | 48.9k | 057 001 00100 000 2024, 057 001 00300 000 2024, 057 001 00400 000 2024 | |
| file_type | OFTString | 1 | A, A, A | |
| conum | OFTString | 1 | 057, 057, 057 | |
| cmap | OFTString | 449 | 001, 001, 001 | |
| gp | OFTString | 24 | A, A, A | |
| parcel | OFTString | 2.2k | 001.00, 003.00, 004.00 | |
| address | OFTString | 44.8k | WINDY CITY RD, WINDY CITY RD, WINDY CITY RD | |
| city | OFTString | 4 | 000, 000, 000 | |
| deedac | OFTReal | 2.2k | 141.0, 0.0, 3.9 | |
| calcac | OFTReal | 1.0k | 37.0, 4.0, 3.9 | |
| owner | OFTString | 37.0k | HOLT BUYING GROUP, HOLT BUYING GROUP, HOLT BUYING GROUP | |
| owner2 | OFTString | 5.3k | % MICHAEL HAWKS, WILLIAM E STEPHENSON, ETUX | |
| lastupdate | OFTString | 386 | 10/23/2023, 10/23/2023, 10/23/2023 | |
| subdiv | OFTString | 1.9k | REED MINOR, GREENVIEW, REED MINOR | |
| lot | OFTString | 2.0k | 1, 0001, 2 | |
| starea() | OFTReal | 48.9k | 232947.887830755, 40071.49993241, 23414.03121292 | |
| stlength() | OFTReal | 48.9k | 2167.95492007726, 1288.30120011874, 650.037621153039 | |
| objectid_1 | OFTInteger | 48.9k | 1097596, 1097005, 1097597 | |
| objectid | OFTInteger | 48.9k | 1965827, 1019392, 296250 | |
| shape_star | OFTReal | 1 | 0.0, 0.0, 0.0 | |
| shape_stle | OFTReal | 1 | 0.0, 0.0, 0.0 | |
| full_searc | OFTString | 48.9k | WINDY CITY RD HOLT BUYING GROUP 001 00100, WINDY CITY RD HOLT BUYING GROUP 001 00300, WINDY CITY RD HOLT BUYING GROUP 001 00400 |
Why this differs from the next county over
There is no national parcel schema. Every assessor's office built its own, usually decades ago, usually inside whatever CAMA system it bought at the time. One county's owner column is OWNER_NAME, the next one's is own1, and a third splits it across four fields. Shapefile's ten-character DBF limit truncated a generation of them into things like TOTLNDVAL.
Nothing here is renamed or remapped. The columns above are exactly what is in the file, because a normalisation layer that quietly guesses wrong is worse than no normalisation at all — and every guess it makes is one you cannot audit.
The Filled column is the share of rows with a real value. Placeholder text such as n/a counts as empty; a column that is 100% present but 90% placeholder is a column that will disappoint you, and the profiler treats it accordingly.