Mercer County GIS Portal (New Jersey)

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

Lawrence Township Assessor Lawrence NJ 2207 Lawrenceville Road 08648 609-844-7037

Lawrence Township Assessor Lawrence NJ 357 Main Street 08311 856-447-3065


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

Appellate Clerk Trenton NJ 25 Market Street 08611 609-777-3086

Camden County Clerk Trenton NJ 25 Market Street 08611 609-421-6100

Hightstown Clerk Hightstown NJ 148 North Main Street, Ste 2 08520 609-490-5105

Hopewell Clerk Hopewell NJ 201 Washington Crossing Pennington Road 08560 609-737-1035

Hopewell Clerk Hopewell NJ 45 East Broad Street 08525 609-466-8628

Lawrence Township Clerk Lawrence NJ 357 Main Street 08311 856-447-3035

Mercer County Clerk Trenton NJ 209 South Broad Street 08608 609-989-6464

Princeton Clerk Princeton NJ 400 Witherspoon Street 08542 609-924-5704

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

Mercer County Recorder of Deeds Trenton NJ 209 South Broad Street 08608 609-989-6464


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

Trenton City Hall Trenton NJ 319 East State Street 08608 609-989-3000

Washington Township City Hall Trenton NJ 1 Washington Blvd 08691 609-918-0002