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Wisconsin

3 layers of parcels and buildings, each tested with our export code. The national base map (roads, water, buildings) is offered everywhere too.

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AreaLayersCheckedMap
Statewide
Parcels
3 Nov 2026Map
Dane County
Buildings
3 Nov 2026Map
Milwaukee County
Buildings
3 Nov 2026Map
Terms, checks and service URLs for every layer

Statewide

ParcelsChecked 3 Nov 2026
What it is
Wisconsin Statewide Parcel Map Database (V12). V12 (2026 release); TAXROLLYEAR mostly 2025, updated annually. Assessor tax parcels, not legal boundaries or a survey.
Publisher
Wisconsin State Cartographer's Office / Wisconsin Land Information Program, Dept. of Administration
Checked
Fetched by our export code on a ~300 m test site on 3 November 2026: 137 features. See it on the map
Terms
Public; attribution: Wisconsin Statewide Parcel Map Database Project (V12), State Cartographer's Office / WLIP at DOA
Note
Coverage is the extent the publisher declares; the layer was too large to measure.
Layer URL

Dane County

Building footprintsChecked 3 Nov 2026
What it is
Dane County Building Footprints. Annual county editions (2017-2024); current service
Publisher
Dane County Land Information Office
Checked
Fetched by our export code on a ~300 m test site on 3 November 2026: 24 features. See it on the map
Terms
Public; Dane County LIO disclaimer (no liability for accuracy or uses other than intended). Credit: Dane County LIO, City of Madison, Ayres Associates
Layer URL

Milwaukee County

Building footprintsChecked 3 Nov 2026
What it is
Milwaukee County Planimetric Structure Polygons. Current to the latest county orthophotography (Date_Changed per feature)
Publisher
Milwaukee County GIS & Land Information Office
Checked
Fetched by our export code on a ~300 m test site on 3 November 2026: 20 features. See it on the map
Terms
Public; Milwaukee County LIO terms of use (reference only, no liability, no warranty)
Note
This service is shared with other areas; exports take only the Milwaukee County, WI part.
Layer URL

“Checked” means fetched by our export code on a test site. How we check · Data credits. Most local layers were found through Basesheet's source list (Copyright (c) 2026 Hunter Hillman, MIT License), then re-checked by us.