Union County, NJ: GIS map viewer
Union County's public map viewer for parcel boundaries and local map layers.
Union County GIS map viewer 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.
- Property linesSee the shape and size of a parcel and where it meets the neighbors.
- Property ownerFind the owner of record for a parcel.
- Parcel numberLook up a parcel by its number, or find the number for an address.
- Property recordsValues, classification, building details, and sales history for a parcel.
- Aerial imageryRecent and historical aerial photographs.
About this resource
- Provided by
- Union County (official)
- Covers
- Union County, NJ
- Link status
- Opened normally at the last check
- Link checked
- Oct 19, 2026
- Web address
- https://oms.ucnj.org/Html5Viewer/index.html?viewer=UnionCountygis
Who to contact
- Union County GISMapping and GIS data.
- Phone
- 908-789-3691
- mmathan@ucnj.org
- Website
- Visit website
More for Union County, NJ
- Union County Board of TaxationProperty taxes
- NRCS wetland determinations and conservation complianceWetlands
- FEMA Flood Map Service CenterFlood zones
- Union County ClerkPlats
- New Jersey septic system permitsSeptic systems
- New Jersey building code and construction permitsBuilding permits
- New Jersey state landsPublic land
- Union County SNAP food assistanceFood assistance (SNAP and EBT)
- Union County emergency assistanceEmergency shelter and eviction help
- Union County housing vouchers and rental helpRent help and public housing
- Union County GIS and mappingCounty GIS map ยท GIS data downloads
- Union County roads and public worksRoads