Maricopa County, AZ GIS parcel data download

Download Maricopa County, Arizona GIS parcel data - 1,755,701 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: 2027 Tax Year (Secured Master); last loaded into LandAI on 2026-05-01.

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 Maricopa County dataset

Field completeness measured across 1,755,701 active parcels (2027 Tax Year (Secured Master); last loaded into LandAI on 2026-05-01):

FieldCoverage
Owner names99.7%
Site addresses93.4%
Owner mailing addresses99.7%
Deeded acres100%
Calculated (GIS) acres100%
Land use99.8%
Last sale price49.8%
Sale / transfer date51.1%
Assessed total value99.8%
Market total value99.8%
Year built87.2%
Building square footage99.8%
Legal description93.8%

These are 13 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.

Maricopa County parcel data FAQ

How many parcels are in Maricopa County, AZ?

Maricopa County, Arizona has 1,755,701 active parcels in the LandAI dataset (source data as of 2027).

What fields are included in Maricopa County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (99.7%), site addresses (93.4%), owner mailing addresses (99.7%), deeded acres (100%), calculated (GIS) acres (100%), land use (99.8%), last sale price (49.8%), sale / transfer date (51.1%), and more.

What formats can I download Maricopa 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 Maricopa County parcel data?

2027 Tax Year (Secured Master); last loaded into LandAI on 2026-05-01.

Does Maricopa County parcel data include owner names?

Yes - 99.7% of Maricopa County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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