Virginia · FIPS 51153 · County seat: Manassas
Prince William County, VA GIS & Parcel Viewer
Looking for lot lines or a parcel number in Prince William County, VA? The quickest route is PWC-County Mapper for Prince William County, 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 Prince William County parcel map ↗
Opens gisweb.pwcva.gov in a new tab. We link out and never embed or copy parcel data.
Prince William County at a glance
| Official map | PWC-County Mapper for Prince William County |
|---|---|
| Type | County-run map |
| Website | gisweb.pwcva.gov |
| Access | Free, no login (checked Oct 2026) |
| County seat | Manassas |
| Population | 489,640 (2023 Census Bureau estimate) |
| Land area | 335 sq mi |
| FIPS code | 51153 |
Who runs this map
Prince William County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the Prince William County viewer
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Prince William County
The U.S. Census Bureau estimated Prince William County's population at 489,640 in 2023, spread over about 335 square miles of land, or roughly 1,462 people per square mile. Among Virginia's 133 counties and independent cities, it is the 2nd largest by population. The county seat is Manassas.
Nearby parcel maps
Parcels close to the edge of Prince William County can fall in the next county over. Neighboring counties:
- Fairfax County
- Fauquier County
- Loudoun County
- Manassas City
- Manassas Park City
- Stafford County
- Charles County, MD
Maps vs. surveys
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.
Related
- All Virginia counties and independent cities
- Find Prince William County on the national map
- Parcel map guides
← Virginia counties and independent cities · Open the national map