Waukesha County, WI parcel data download

Download Waukesha County, Wisconsin parcel data - 163,482 parcels with standardized boundaries and available property fields. Review county-specific completeness before checkout. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.

Data freshness: SCO Wisconsin Statewide Parcels TAXROLLYEAR field: 2025; last loaded into LandAI on 2026-06-02.

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 Waukesha County dataset

Field completeness measured across 163,482 active parcels (SCO Wisconsin Statewide Parcels TAXROLLYEAR field: 2025; last loaded into LandAI on 2026-06-02):

FieldCoverage
Owner names98.8%
Site addresses94.6%
Owner mailing addresses98.0%
Deeded acres100%
Calculated (GIS) acres100%
Land use94.5%
Market total value94.4%

These are 7 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.

Waukesha County parcel data FAQ

How many parcels are in Waukesha County, WI?

Waukesha County, Wisconsin has 163,482 active parcels in the LandAI dataset (source data as of 2025).

What fields are included in Waukesha County parcel data?

The dataset uses LandAI's standardized parcel schema. Field availability varies by source and record. Current measured completeness includes owner names (98.8%), site addresses (94.6%), owner mailing addresses (98.0%), deeded acres (100%), calculated (GIS) acres (100%), land use (94.5%), market total value (94.4%).

What formats can I download Waukesha County 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 Waukesha County parcel data?

SCO Wisconsin Statewide Parcels TAXROLLYEAR field: 2025; last loaded into LandAI on 2026-06-02.

Does Waukesha County parcel data include owner names?

98.8% of Waukesha County parcels currently include a normalized owner name. Mailing-address coverage is measured and reported separately when the source provides it.

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