Blog · October 14, 2026 · Washington
Quincy GIS Map, Washington: a how-to
Most property questions near Grand Coulee start with a parcel lookup.
Main page: Grant County, WA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Curious who owns the lot next to you in Quincy? The Quincy GIS map answers most of that, with no account needed. In this Quincy guide: where that map lives, how to search it, and what to double-check with records.
Opening the Quincy GIS map
In most places the county maintains the parcel layer, and for Quincy that means the Washington Current Parcels layer in ArcGIS Map Viewer.
The free map to start with
Go first to the Washington Current Parcels layer in ArcGIS Map Viewer; it includes every assessed parcel from Moses Lake to Grand Coulee. Closer to Moses Lake, type a street address, an owner's name or a parcel number, and the matching parcel lights up. With a lot near Mattawa, the parcel card typically gives the owner of record, assessed acreage, a parcel ID and often a sale date.
Quincy, WA: the basics
Quincy sits in Grant County, Washington, which means parcel data comes from the county. In and around Moses Lake, City or town hall handles matters such as zoning, permits and utilities within town limits, while the county keeps the tax map. Lots just outside the city limits out by Electric City generally falls under county rules rather than the town's.
Keeping a record
Print or screenshot the parcel near Grand Coulee with its ID visible, which helps later when you ask the assessor or a title company.
Using it on a phone
The parcel map usually runs in a mobile browser, handy when you're parked on a road near Moses Lake, but coverage can be spotty out of town. A saved image of the lot near Mattawa and its lines helps when you meet an owner or agent.
Offices that can help
If the acreage or value on a parcel near Ephrata looks off belong with the County Assessor, which maintains the tax roll. Questions about what you can build around Electric City go to planning, building or health offices, town or county, depending on location.
Troubleshooting the viewer
If the viewer stalls on a phone near Grand Coulee, try a desktop browser or clear the cache; links occasionally change, and our directory page keeps the current one.
What the map can't tell you
Acreage on the record is a tax-roll number; just a licensed surveyor establishes the real corners for a parcel near Mattawa. Out toward Moses Lake, owner names and values update on a schedule, so a deed recorded last month may not show yet.
Three ways to find a parcel
Addresses are the easiest route inside Quincy; owner names are usually entered last name first. For land near Ephrata, searching by parcel number never misses, and you'll find it on tax statements.
Grant County in a few facts
Ephrata holds the county offices, which is where the courthouse records live. You'll also find George, Electric City, and Grand Coulee, each with its own cluster of lots. Around 102,678 people call Grant County home (Census Bureau estimate, 2023) on about 2,680 square miles. Grant County dates to 1909, and some chains of title near George are long. Landmarks such as Columbia National Wildlife Refuge are easy to spot when you zoom out from Mattawa.
Aerials, labels and overlays
Closer to Mattawa, look in the layer list for municipal boundaries, floodplain and sometimes zoning; not every viewer has them all.
Recorded documents worth pulling
The map is an index, not the title: recorded deeds, subdivision plats and easements covering ground around Electric City sit with the County Auditor. For a home near Ephrata, use the book and page shown in the record panel so staff can find the deed fast.
How land is described here
Washington follows the Public Land Survey System, which means a tract near Grand Coulee is described by section, township and range. A standard section is about one square mile, roughly 640 acres, and a township holds 36 of them, though real sections near Ephrata vary in size. Copy the legal description from the record for the parcel near George for any title or survey request.
Inside the parcel card
Sales history, if listed, helps with pricing in Quincy give a rough idea of values; they're not an appraisal.
Frequently asked
Do I need an account for the parcel map near Moses Lake?
In most cases, the Washington Current Parcels layer in ArcGIS Map Viewer is free and opens without a login; some sites ask you to accept a disclaimer.
What layers does the parcel viewer have near Electric City?
For land near Grand Coulee, layer lists vary from one viewer to the next; open the layer list to see what's there.
Can I look up a property owner on the map near Moses Lake?
The parcel record for a lot near Grand Coulee lists the owner of record, or search by address instead.
Is there a separate city GIS for Quincy?
Quincy may publish zoning or utility maps separately; the county viewer remains the main parcel source.
Where do I find the parcel number for land near Electric City?
The parcel ID identifies one tax parcel near Grand Coulee, and it's on the record panel and tax bills.
Open the official Grant County, WA 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.