43 attribute fields, profiled from the December 2021 vintage.
Columns in Kennebec County
| Field | Type | Filled | Distinct | Example values |
|---|---|---|---|---|
| PARCEL_ID | OFTString | 49.8k | 27060_01-06-03, 27060_01-02-01, 27060_01-02 | |
| SITUS | OFTString | 33.0k | 1089 NORTH PALERMO RD, 1133 NORTH PALERMO RD, 1173 NORTH PALERMO RD | |
| ADDR_NUMBE | OFTString | 1.6k | 1089, 1133, 1173 | |
| STREET_PRE | OFTString | 5 | N, N, N | |
| STREET_NAM | OFTString | 7.2k | PALERMO, PALERMO, PALERMO | |
| STREET_SUF | OFTString | 4 | N, N, N | |
| STREET_TYP | OFTString | 55 | Rd, Rd, Rd | |
| SITUS_CITY | OFTString | 24 | SOUTH CHINA, ALBION, SOUTH CHINA | |
| SITUS_ZIP | OFTString | 24 | 04358, 04910, 04358 | |
| ADDR_SEC_U | OFTString | 6 | REAR, REAR, REAR | |
| ADDR_SE_01 | OFTString | 10 | 08, TOWN, 94 | |
| OWNER | OFTString | 26.7k | BOUCHARD JOSHUA R, HOLMAN SETH A HOLMAN KATRINA A, ROTHROCK PHILIP | |
| TRANS_DATE | OFTDate | 6.6k | 2007-02-06, 2006-11-22, 1899-12-30 | |
| SALE_PRICE | OFTReal | 1.1k | 120000.0, 75000.0, 0.0 | |
| LAND_USE_C | OFTString | 80 | 201, 201, 0 | |
| LAND_US_01 | OFTString | 5 | Commercial, Commercial, Residential | |
| LAND_COVER | OFTString | 25.5k | {"41": 1, "42": 7, "43": 6, "90": 3}, {"41": 5, "43": 6}, {"41": 5, "43": 4} | |
| MUNI_ID | OFTInteger64 | 28 | 582317, 582317, 582317 | |
| SCHOOL_DIS | OFTInteger64 | 20 | 2311520, 2311520, 2314330 | |
| ACREAGE | OFTReal | 74 | 0.0, 0.0, 0.0 | |
| MKT_VAL_LA | OFTReal | 4.9k | 45040.0, 49520.0, 48900.0 | |
| MKT_VAL_BL | OFTReal | 5.6k | 107210.0, 268250.0, 6200.0 | |
| MKT_VAL_TO | OFTReal | 7.6k | 152250.0, 317770.0, 55100.0 | |
| ZIP_CODE | OFTString | 40 | 4941, 4941, 4910 | |
| MAIL_ADDRE | OFTString | 5.6k | BOWDOIN ME 04287, BOWDOIN ME 04287, LONDONDERRY NH 03053 | |
| MAIL_AD_01 | OFTString | 1.9k | 35 MEDICAL CENTER PARKWAY, 35 MEDICAL CENTER PARKWAY, 35 MEDICAL CENTER PARKWAY | |
| MAIL_AD_02 | OFTString | 22.1k | 17 BOUCHARD DR, 32 HARLEY LN, 38 MIDRIDGE CIRCLE | |
| OWNER_OCCU | OFTString | 3 | F, F, ? | |
| USPS_RESID | OFTString | 3 | ?, ?, ? | |
| CENSUS_TRA | OFTInteger64 | 30 | 20500, 20500, 20500 | |
| CENSUS_BLK | OFTInteger | 6 | 2, 2, 2 | |
| CENSUS_BLO | OFTInteger | 305 | 2030, 2030, 2030 | |
| AREA_METER | OFTReal | 50.0k | 83.0922171705871, 13.7417119477433, 100.997073387615 | |
| FLD_ZONE | OFTString | 19 | {A}, {X,AE,AE,A}, {A} | |
| ZONE_SUBTY | OFTString | 14 | {NULL}, {"0.2 PCT ANNUAL CHANCE FLOOD HAZARD",FLOODWAY,NULL,NULL}, {NULL} | |
| PLACE_GNIS | OFTInteger64 | 9 | 582334, 582334, 582334 | |
| ELEVATION | OFTString | 50.0k | {"max": 0.0, "min": 0.0, "mean": 0.0}, {"max": 0.0, "min": 0.0, "mean": 0.0}, {"max": 0.0, "min": 0.0, "mean": 0.0} | |
| ROBUST_ID | OFTString | 50.0k | AABZ47lPlG0B9SoT, AABZ44VE8SjxN9mG, AABZ43rcR240ZnhD | |
| CALC_ACREA | OFTReal | 50.0k | 0.0205329177850238, 0.00339571443940685, 0.0249573868048135 | |
| COUNTY_NAM | OFTString | 1 | Kennebec, Kennebec, Kennebec | |
| COUNTY_FIP | OFTInteger64 | 1 | 23011, 23011, 23011 | |
| STATE_ABBR | OFTString | 1 | ME, ME, ME | |
| CTY_ROW_ID | OFTInteger64 | 50.0k | 50804, 50637, 50740 |
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.