Datasets > Wisconsin--Milwaukee > 2025-present

Parcel Polygons (Previously known as Parcel Outlines)

Milwaukee Open Data · 2026 Full Details

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Full Details

Title
Parcel Polygons (Previously known as Parcel Outlines)
Description
_Update frequency: Current datasets are refreshed every night to ensure the most current information is available. Even if there are no changes, the data will be updated nightly._ These files contain the City of Milwaukee parcel polygons. Historical parcel shapefiles for the City of Milwaukee are available for download here, in ESRI shapefile format, back to 2001. We do not have parcel shapefiles for years before 2001. Starting in December, 2011, we will begin posting end-of-year snapshots of our parcel shapefiles. This will provide greater accuracy when joining MPROP to parcels (relate key = TAXKEY). For years before 2011, parcel shapefiles and MPROP will join will less accuracy, as taxkeys are added and removed throughout the year. Starting in 2009, parcel shapefiles have a record for every taxkey - including every condominium unit. The shapefiles dated earlier than 2009 do not accommodate the many-to-one nature of condominiums, and MPROP will not join to the condominium parcels. All shapefiles are projected in Wisconsin State Plane South NAD27 (WKID 32054) __To download XML and JSON files, click the CSV option below and click the down arrow next to the Download button in the upper right on its page.__
Creator
Information Technology and Management Division
Publisher
Milwaukee Open Data
Subject
Housing & Property, Maps
Temporal Coverage
Last Modified: 2026-05-29
Date Issued
2018-01-31
Rights
Creative Commons Attribution
License
http://www.opendefinition.org/licenses/cc-by
Access Rights
Public
Language
English
Date Added
May 29, 2026
Provenance Statement
The metadata for this resource was last retrieved from Milwaukee Open Data on 2026-05-29.

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Cite and Reference

  • Citation
    Information Technology and Management Division (2018). Parcel Polygons (Previously known as Parcel Outlines). Milwaukee Open Data. https://data.milwaukee.gov/dataset/parcel-outlines (dataset)
  • BTAA Geoportal Link

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