Union County, OR: GIS map
Interactive GIS and parcel map for Union County. Search a property to see its parcel lines and the other map layers.
Union County GIS map Open PublicGIS map
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What you can look up here
- County GIS mapThe interactive map the county publishes. Parcels, aerial photos, roads, and lakes in one place.
About this resource
- Provided by
- Union County (official)
- Covers
- Union County, OR
- Link status
- Opened normally at the last check
- Link checked
- Oct 20, 2026
- Web address
- https://gis.unionco.org/portal/apps/experiencebuilder/experience/?id=5f893ad655c04de590e6195090614030&page=Property-%26-Parcel-Viewer
Who to contact
- Union County GISUnion County Assessor / Tax Collector keeps the maps and GIS for Union County.
- Phone
- 541-963-1001
- assessor@union-county.org
- Address
- 1106 K Avenue, La Grande, OR 97850
- Website
- Visit website
More for Union County, OR
- Union County parcel map and property searchProperty records · Property owner
- Union County property tax search and paymentProperty taxes
- Union County zoning and land useZoning
- NRCS wetland determinations and conservation complianceWetlands
- Union County floodplain and flood zonesFlood zones
- Union County ClerkPlats
- Oregon septic system permitsSeptic systems
- Union County building and land use permitsBuilding permits
- Union County Veterans Service OfficeVeterans benefits help
- Union County AssessorProperty owner · Property taxes · Property records
- Union County septic systemsSeptic systems
- Union County Surveyor and survey recordsPlats · Surveys and section corners