Mariposa County, CA GIS parcel data download

Download Mariposa County, California GIS parcel data - 14,337 parcels with owner names, site & mailing addresses, acreage, land use, and sale values. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.

Data freshness: Mariposa ArcGIS parcel layer dataLastEditDate; service description says parcel/address layers are updated daily; last loaded into LandAI on 2026-05-19.

Every purchase includes all five export formats (Shapefile, FileGDB, GeoPackage, GeoJSON & CSV), standardized to the LandAI parcel schema with WGS84 (EPSG:4326) geometry. After checkout you choose which formats to generate and download them for 45 days.

What's in the Mariposa County dataset

Field completeness measured across 14,337 active parcels (Mariposa ArcGIS parcel layer dataLastEditDate; service description says parcel/address layers are updated daily; last loaded into LandAI on 2026-05-19):

FieldCoverage
Owner names100%
Site addresses76.0%
Owner mailing addresses100%
Deeded acres100%
Calculated (GIS) acres100%

These are 5 of the 48 standardized fields in the LandAI parcel schema. Live per-field completeness for every field is shown on this page's interactive view.

Mariposa County parcel data FAQ

How many parcels are in Mariposa County, CA?

Mariposa County, California has 14,337 active parcels in the LandAI dataset (source data as of 2026/05/19).

What fields are included in Mariposa County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (100%), site addresses (76.0%), owner mailing addresses (100%), deeded acres (100%), calculated (GIS) acres (100%), and more.

What formats can I download Mariposa County GIS parcel data in?

Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. Every $100 county purchase includes all five formats; you choose which to generate after checkout and can re-download for 45 days.

How current is the Mariposa County parcel data?

Mariposa ArcGIS parcel layer dataLastEditDate; service description says parcel/address layers are updated daily; last loaded into LandAI on 2026-05-19.

Does Mariposa County parcel data include owner names?

Yes - 100% of Mariposa County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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