Platbookmapper County GIS Directory

Maryland · FIPS 24043 · County seat: Hagerstown

Washington County, MD GIS & Parcel Viewer

Washington County, Maryland parcel data lives on Maryland FINDER Online (MD Dept. of Planning). Open it below in a new tab, then use the short steps on this page to find a property fast.

Open the Washington County statewide map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.

Quick facts

Official mapMaryland FINDER Online (MD Dept. of Planning)
TypeStatewide map (covers all of Maryland)
Websiteexperience.arcgis.com
AccessFree, no login (checked Oct 2026)
County seatHagerstown
Population155,813 (2023 Census Bureau estimate)
Land area458 sq mi
FIPS code24043

About the official source

The link goes to a statewide map (Maryland FINDER Online (MD Dept. of Planning)). It shows parcels for Washington County along with the rest of Maryland. Statewide parcel layers are usually stitched together from county files, so the newest splits or sales may show up on the county's own records first. Our October 2026 check found the map open to the public, with no account or payment needed.

How to use the Washington County viewer

  1. Open the statewide map with the button above.
  2. Search for an address in Washington County, or zoom to the county on the map.
  3. Click a parcel to see the attributes the state layer includes.
  4. Write down the parcel number and use it for records searches with the Washington County assessor or recorder.

Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.

Washington County by the numbers

Washington County had an estimated 155,813 residents in 2023, according to the Census Bureau. With about 458 square miles of land, that works out to roughly 340 people per square mile. That makes it number 11 out of 24 Maryland counties by population. Hagerstown serves as the county seat.

Neighboring counties

If the property sits near a county line, the parcel may belong to a neighbor. These counties border Washington County:

Maps vs. surveys

Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.

Related

← Maryland counties · Open the national map