Union County GIS Portal (New Jersey)

Union County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Union County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Union County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Union County, New Jersey. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Union County Assessor Office website.

Elizabeth Assessor Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4136

Fanwood Assessor Fanwood NJ 75 North Martine Avenue 07023 908-322-8236

Hillside Assessor Hillside NJ 1409 Liberty Avenue 07205 973-926-2222

Kenilworth Assessor Kenilworth NJ 567 Boulevard 07033 908-276-5801

Plainfield City Assessor Plainfield NJ 515 Watchung Avenue 07060 908-753-3203

Roselle Assessor Roselle NJ 210 Chestnut Street 07203 908-241-4000

Springfield Assessor Springfield NJ 100 Mountain Avenue 07081 973-912-2207

Westfield Town Assessor Westfield NJ 425 East Broad Street 07090 908-789-4055


Union County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Union County GIS maps. The GIS maps at an Union County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Union County, New Jersey. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Union County Town and City Hall website.

Clark Township Town Hall Clark NJ 430 Westfield Avenue 07066 732-388-3600

Elizabeth City Hall Elizabeth NJ 250 Broadway 07206 908-820-2847

Elizabeth City Hall Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4000

Linden City Hall Linden NJ 301 Wood Avenue, Ste 1 07036 908-474-8413

Plainfield City Hall Plainfield NJ 515 Watchung Avenue 07060 908-753-3000

Rahway City Hall Rahway NJ 1 City Hall Plaza 07065 732-827-2000

Union Township Town Hall Union NJ 1976 Morris Avenue 07083 908-851-8500

Winfield Town Hall Winfield NJ 12 Gulfstream Avenue 07036 908-925-4369

Union County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Union County property maps that show boundaries, public property, property divisions, and in some cases, population information in Union County, New Jersey. They may also include property value assessments and property tax rates. Union County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Elizabeth Clerk Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4130

Fanwood Clerk Fanwood NJ 75 North Martine Avenue 07023 908-322-6750

Garwood Clerk Garwood NJ 403 South Avenue 07027 908-789-0780

Hillside Township Clerk Hillside NJ 1409 Liberty Avenue 07205 973-926-3000

Kenilworth Borough Clerk Kenilworth NJ 567 Boulevard, Ste C 07033 908-276-9090

Mountainside Clerk Mountainside NJ 1385 U.s. 22 07092 908-232-5335

Rahway City Clerk Rahway NJ 1 City Hall Plaza 07065 732-669-3610

Roselle Park Borough Clerk Roselle Park NJ 110 Westfield Avenue East 07204 908-245-6222

Summit City Clerk Summit NJ 512 Springfield Avenue 07901 908-273-6400

Union County Clerk Westfield NJ 300 North Avenue East 07090 908-654-9859

Union County Clerk Elizabeth NJ 2 Broad Street, # 115 07201 908-527-4787

Union Township Clerk Union NJ 1976 Morris Avenue 07083 908-851-8501


Union County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Union County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Union County, New Jersey. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Union County Recorder of Deeds website.

Union County Recorder of Deeds Elizabeth NJ 2 Broad Street 07201 908-527-4787