Warren County GIS Portal (New Jersey)

Warren County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Warren County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Warren County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Warren 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 Warren County Assessor Office website.

Allamuchy Township Assessor Allamuchy NJ 292 Alphano Road 07838 908-852-6514

Greenwich Township Assessor Stewartsville NJ 321 Greenwich Street 08886 908-859-0909

Hackettstown Assessor Hackettstown NJ 215 West Stiger Street, Ste 1 07840 908-852-6767

Mansfield Township Assessor Port Murray NJ 100 Port Murray Road 07865 908-689-2477

Washington Assessor Washington NJ 100 Belvidere Avenue 07882 908-689-3799

Warren 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 Warren County property maps that show boundaries, public property, property divisions, and in some cases, population information in Warren County, New Jersey. They may also include property value assessments and property tax rates. Warren 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.

Allamuchy Township Clerk Great Meadows NJ Great Meadows Nj 07838 908-852-6765

Hope Township Clerk Blairstown NJ 407 Great Meadows Road 07825 908-459-5011

Warren County Clerk Belvidere NJ 413 2nd Street 07823 908-475-6211


Warren 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 Warren County GIS maps. The GIS maps at a Warren 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 Warren 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 Warren County Town and City Hall website.

Hackettstown Town Hall Hackettstown NJ 215 West Stiger Street 07840 908-852-0688


Warren 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 Warren 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 Warren County, New Jersey. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Warren County Recorder of Deeds website.

Warren County Recorder of Deeds Belvidere NJ 413 2nd Street 07823 908-475-6211