Published, but the newest vintage is more than 3 years old.
Newest snapshot 3 vintages published
June 2022
4 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
5 years old
380,781 parcel features, 47 attributes, 84% weighted attribute fill. Reprojected to WGS 84 (EPSG:4326); geometries repaired where invalid. Attribute fill rates measured on a 200,000-feature sample. Point-in-time snapshot. No cross-county schema normalisation.
Archive vintage
9 years old
495,634 parcel features, 30 attributes, 84% weighted attribute fill. Reprojected to WGS 84 (EPSG:4326); geometries repaired where invalid. Attribute fill rates measured on a 200,000-feature sample. Point-in-time snapshot. No cross-county schema normalisation.
52 attribute fields recorded for this county. No two assessors use the same names — these are Contra Costa's.
| Field | Type | Filled | Example values |
|---|---|---|---|
| PARCEL_ID | OFTString | 085204009, 085205006, 085205007 | |
| SITUS | OFTString | 134 E 10TH ST, 222 E 10TH ST, 242 E 10TH ST | |
| ADDR_NUMBE | OFTString | 134, 222, 242 | |
| STREET_PRE | OFTString | E, E, E | |
| STREET_NAM | OFTString | 10TH, 10TH, 10TH | |
| STREET_SUF | OFTString | ||
| STREET_TYP | OFTString | St, St, St | |
| SITUS_CITY | OFTString | PITTSBURG, PITTSBURG, PITTSBURG | |
| SITUS_ZIP | OFTString | 94565, 94565, 94565 | |
| OWNER | OFTString | WONG TONY C & YVONNE, ALFARO MARGARITA DUENAS TRE, SALUS LLC | |
| BLDG_SQFT | OFTInteger64 | 1085, 1006, 740 | |
| STORY_HEIG | OFTReal | 1.0, 1.0, 1.0 |
Contra Costa County is one of 58 counties in California, GEOID 06013, covering 717 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 June 2022, which is 4 years old. Check the field list before you commit to a download; the column names are the county's own.