Pennsylvania · FIPS 42071 · County seat: Lancaster
Lancaster County, PA GIS & Parcel Viewer
Parcel lookups for Lancaster County start at the Lancaster County ArcGIS parcel map. This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Lancaster County parcel map ↗
Opens lancastercountypa.maps.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Lancaster County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | lancastercountypa.maps.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Lancaster |
| Population | 558,589 (2023 Census Bureau estimate) |
| Land area | 944 sq mi |
| FIPS code | 42071 |
Where the parcel data comes from
This map is published by or for Lancaster County itself, so it reflects the local parcel layer rather than a third-party copy. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this map
- Click the button above and wait for the Web AppBuilder viewer to load. Some counties show a terms screen first.
- Search by street address, owner or parcel ID if the search box offers those options.
- Click a lot on the map to read its attributes.
- Turn on aerial imagery from the basemap tool and use the layer list to add things like zoning or flood zones when they're published.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Census Bureau figures put Lancaster County at about 558,589 people (2023 estimate) on roughly 944 square miles of land, which is about 592 residents per square mile. By population it ranks 6th of 67 counties in Pennsylvania. Its county seat is Lancaster.
Counties next to Lancaster County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Lancaster County:
Related guides
Before you rely on the lines
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.