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Union County GIS data

2 public ArcGIS maps published by Union County, Ohio, with 26 layers between them. Open one in MapPull to pick the layers you need and download them as Shapefile, DXF, GeoJSON, or KMZ, clipped to your project area.

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• Web map

  Subdivision

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  • Subdivision · polygons · 727
  • Condominium · polygons · 2,224
  • Condominium Boundary · polygons · 252
  • Condominium including BuildingNo and HouseNo · polygons · 2,224
  • Parcel/Current Tax Year · polygons · 36,768
  • Subdivision/Current Tax Year · polygons · 693
  • All Parcels /Since 2000 including deleted parcels · polygons · 41,314
  • Parcel/Live/Tax Year: Future · polygons · 38,343
  • Subdivision/Live/Tax Year: Future · polygons · 676
  • Addresses · points · 43,985
• Web map

  SaleAndSumary

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  • All Parcels · polygons · 32,825
  • Parcels · polygons · 40,059
  • Most Recent Sale Per Parcel · polygons · 20,801
  • 2026 Sale · polygons · 1,458
  • 2025 Sale · polygons · 2,486
  • 2024 Sale · polygons · 1,880
  • 2023 Sale · polygons · 1,188
  • 2022 Sale · polygons · 2,463
  • All Sale · polygons · 76,266
  • Parcel/CAMA No. · polygons · 38,343
  • Owner Name · polygons · 38,343
  • Neighborhood · polygons · 38,343
  • Acreage · polygons · 38,343
  • DTE/Parcel Class · polygons · 38,343
  • Sale Info Advance · polygons · 38,343
  • Addresses · points · 43,985

These maps are published by Union County, which owns the data and sets its terms of use. MapPull reads only what is public; it doesn't host or change the data. Layer names and feature counts were read on 2026-10-19 and can change when the publisher updates a map.