New Jersey · FIPS 34037 · County seat: Newton
Sussex County, NJ GIS & Parcel Viewer
Use this page to reach the official county parcel map for Sussex County, New Jersey. The button below opens the Sussex County parcel map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Sussex County parcel map ↗
Opens gis.sussex.nj.us in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Sussex County parcel map |
|---|---|
| Type | County-run map |
| Website | gis.sussex.nj.us |
| Access | Free, no login (checked Oct 2026) |
| County seat | Newton |
| Population | 146,132 (2023 Census Bureau estimate) |
| Land area | 519 sq mi |
| FIPS code | 34037 |
Who runs this map
This map is published by or for Sussex County itself, so it reflects the local parcel layer rather than a third-party copy. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this map
- Open the official link in a new tab.
- Accept any disclaimer, then look for a search box that takes street addresses, owners or parcel IDs.
- Zoom in and click a parcel to see its details.
- Use the map's layer controls to add aerials or other layers if they're offered.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
About Sussex County
Census Bureau figures put Sussex County at about 146,132 people (2023 estimate) on roughly 519 square miles of land, which is about 282 residents per square mile. That makes it number 17 out of 21 New Jersey counties by population. The county seat is Newton.
Neighboring counties
Parcels close to the edge of Sussex County can fall in the next county over. Neighboring counties:
More on Sussex County parcel maps
Maps vs. surveys
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.