Pennsylvania · FIPS 42123 · County seat: Warren
Warren County, PA GIS & Parcel Viewer
Looking for lot lines or a parcel number in Warren County, PA? The quickest route is the Warren County parcel map, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Warren County parcel map ↗
Opens gis.vgsi.com in a new tab. We link out and never embed or copy parcel data.
Warren County at a glance
| Official map | Warren County parcel map |
|---|---|
| Type | County-run map |
| Website | gis.vgsi.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Warren |
| Population | 37,572 (2023 Census Bureau estimate) |
| Land area | 884 sq mi |
| FIPS code | 42123 |
Where the parcel data comes from
It is a county-level map: Warren County or the company it hires keeps the parcel layer up to date. 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 link to the assessor database run by Vision Government Solutions.
- Search by street address, owner or parcel ID.
- Open a property card to see assessment, sale and building data.
- Use the map link on the card, where offered, to see the parcel's location.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Warren County by the numbers
The U.S. Census Bureau estimated Warren County's population at 37,572 in 2023, spread over about 884 square miles of land, or roughly 43 people per square mile. Among Pennsylvania's 67 counties, it is the 56th largest by population. The county seat is Warren.
Neighboring counties
Parcels close to the edge of Warren County can fall in the next county over. Neighboring counties:
- Crawford County
- Elk County (state list)
- Erie County
- Forest County
- McKean County
- Venango County
- Cattaraugus County, NY
- Chautauqua County, NY
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.