Modoc County, CA GIS parcel data download

Download Modoc County, California GIS parcel data - 32,471 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: Modoc County Assessor current secured roll TaxYear 2025; last loaded into LandAI on 2026-05-15.

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 Modoc County dataset

Field completeness measured across 32,471 active parcels (Modoc County Assessor current secured roll TaxYear 2025; last loaded into LandAI on 2026-05-15):

FieldCoverage
Owner names84.3%
Site addresses14.5%
Owner mailing addresses84.3%
Deeded acres84.2%
Calculated (GIS) acres100%
Land use84.2%
Sale / transfer date84.3%
Assessed total value84.2%
Market total value84.2%
Year built12.2%
Building square footage12.8%
Legal description69.3%

These are 12 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.

Modoc County parcel data FAQ

How many parcels are in Modoc County, CA?

Modoc County, California has 32,471 active parcels in the LandAI dataset (source data as of 2025).

What fields are included in Modoc County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (84.3%), site addresses (14.5%), owner mailing addresses (84.3%), deeded acres (84.2%), calculated (GIS) acres (100%), land use (84.2%), sale / transfer date (84.3%), assessed total value (84.2%), and more.

What formats can I download Modoc 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 Modoc County parcel data?

Modoc County Assessor current secured roll TaxYear 2025; last loaded into LandAI on 2026-05-15.

Does Modoc County parcel data include owner names?

Yes - 84.3% of Modoc County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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