Platbookmapper County GIS Directory

Washington · FIPS 53027 · County seat: Montesano

Grays Harbor County, WA GIS & Parcel Viewer

Looking for lot lines or a parcel number in Grays Harbor County, WA? The quickest route is Washington Current Parcels layer (ArcGIS Map Viewer), the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.

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

Map and county facts

Official mapWashington Current Parcels layer (ArcGIS Map Viewer)
TypeStatewide map (covers all of Washington)
Websitearcgis.com
AccessFree, no login (checked Oct 2026)
County seatMontesano
Population77,290 (2023 Census Bureau estimate)
Land area1,901 sq mi
FIPS code53027

Where the parcel data comes from

Grays Harbor County doesn't have its own viewer in our directory, so we point you to a statewide map: Washington Current Parcels layer (ArcGIS Map Viewer). Zoom in on Grays Harbor County to see its parcels. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. When we tested the link in October 2026 it opened with no login and no fee.

Searching for a parcel, step by step

  1. Press the button to load the statewide viewer, then move the map to Grays Harbor County.
  2. Use the viewer's search tool to find an address or parcel, if it has one.
  3. Click a lot to read its details.
  4. For deeds, taxes or official copies, take the parcel number to the county's own offices.

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

The county in brief

The U.S. Census Bureau estimated Grays Harbor County's population at 77,290 in 2023, spread over about 1,901 square miles of land, or roughly 41 people per square mile. That makes it number 19 out of 39 Washington counties by population. Census maps also count about 322 square miles of water inside its boundary. Its county seat is Montesano.

Counties next to Grays Harbor County

Grays Harbor County shares a border with the counties below. Each link has its own official map:

A note on accuracy

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

← Washington counties · Open the national map