Blog · October 14, 2026 · Pennsylvania
Using the Washington GIS Map
Most property questions near Canonsburg start with a parcel lookup.
Main page: Washington County, PA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
Platbookmapper is an Amazon Associate. If you buy through an Amazon link on this page, we earn a commission. The link is a product, not the county map.
For any lot around Claysville, a look at the Washington GIS map gives you parcel boundaries plus basic tax data. Covered here for the town: which viewer to open, how to search it, and the limits worth knowing for land near Bentleyville.
Getting started with the Washington GIS map
For a parcel near East Washington, some cities also run their own GIS portal for utilities or zoning; that can add detail on top of the county map.
Pulling up a parcel
Your first stop is the Washington County ArcGIS parcel map; it covers each tax parcel around East Washington and Claysville. Closer to Canonsburg, type a street address, an owner's name or a parcel number, and the viewer zooms to the match. For a home near East Washington, a pop-up or side panel usually lists the owner of record, acreage on the tax roll, the parcel number and in many cases the last transfer.
When the map won't load
When the map won't open around West Middletown, switch browsers or turn off pop-up blockers; the Platbookmapper county page tracks the current link.
Neighboring parcel maps
Washington County touches Allegheny County, Beaver County, Fayette County, Greene County, and Westmoreland County, and each of those keeps its own parcel map. A tract near the line by Claysville can show up across two assessors' files, so open the adjacent map before you assume the acreage. For a home near East Washington, our state page links each bordering county map across Pennsylvania.
Legal descriptions in Pennsylvania
Older tracts around Houston commonly use metes-and-bounds descriptions, which trace the boundary call by call. Platted lots around Houston usually use lot and block from a recorded plat instead, which is simpler to follow. Copy the legal description from the record for the parcel near West Middletown when you talk to a surveyor.
Where Washington fits in
The town lies within Washington County, Pennsylvania, and the county assessor maps its lots around Allenport. As the county seat, Washington hosts the courthouse, so deeds and plats are filed in town. For a parcel near Canonsburg, the municipality handles matters such as zoning, permits and utilities for lots inside the boundary, but the county runs assessment and recording. Lots just outside the city limits toward Houston often follows county rules rather than the town's.
Finding the right lot
Addresses are the easiest route inside this town; owner names are usually entered last name first, at least around Burgettstown. In and around East Washington, searching by parcel number never misses, and it's printed on tax bills.
Layers worth turning on
Closer to Green Hills, layer lists often include municipal boundaries, floodplain and sometimes zoning; availability varies.
The paper trail behind a parcel
Before you sign anything, pull the recorded deed from the Recorder of Deeds; the parcel line is a drawing of it, and that holds around Canonsburg too. Older tracts near Claysville can trace back through many deeds, and a title company is worth hiring if money is changing hands.
Saving what you find
Print or screenshot the parcel near East Washington with its ID visible, so you have it when calling an office.
Getting your bearings
The town is the county seat, home to the main records offices, especially near Allenport. You'll also find East Washington, Green Hills, Houston, and Canonsburg, where town lots give way to larger tracts. Around 210,232 people live in Washington County (Census Bureau estimate, 2023) spread over some 857 square miles. Washington County dates to 1781, so old deeds can run back a long way.
Inside the parcel card
If sale dates appear, they help gauge the market near West Middletown are a useful starting point; an appraiser is the real authority.
Taking the map into the field
Most viewers work in a phone browser, which helps when you're standing on land near Canonsburg, though signal can drop in rural spots. A printout of the tract near East Washington is a good backup.
Who handles what
For assessment questions about property around West Middletown go to the county assessment office, the office behind the parcel record. Questions about what you can build around West Middletown go to planning, building or health offices, town or county, depending on location.
What the map can't tell you
Listed acreage is an estimate; just a licensed surveyor establishes the real corners on land around Claysville. For a tract near East Washington, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Quick answers
Are parcel lines on the map exact around Beallsville?
Generally, the map near Canonsburg isn't a survey, so a licensed surveyor should mark corners.
Do I need an account for the parcel map near Canonsburg?
Good question; the Washington County ArcGIS parcel map is free and opens without a login, though printing may be limited.
Why does a recent sale near Houston not show?
It depends, but owner data near Houston can lag new deeds by weeks, so check the deed index.
How do I find who owns a lot near Houston?
It depends, but click the lot near West Middletown to see the owner.
What's the tax parcel number used for around Houston?
It's the number the county assessment office uses to track a tract near Green Hills; you'll see it in the viewer and on tax statements.
Open the official Washington County, PA parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.