Oregon · FIPS 41059 · County seat: Pendleton
Umatilla County, OR GIS & Parcel Viewer
Looking for lot lines or a parcel number in Umatilla County, OR? The quickest route is ORMAP statewide tax lot viewer (Oregon), 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 Umatilla County statewide map ↗
Opens ormap.net in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | ORMAP statewide tax lot viewer (Oregon) |
|---|---|
| Type | Statewide map (covers all of Oregon) |
| Website | ormap.net |
| Access | Free, no login (checked Oct 2026) |
| County seat | Pendleton |
| Population | 80,053 (2023 Census Bureau estimate) |
| Land area | 3,215 sq mi |
| FIPS code | 41059 |
Where the parcel data comes from
This is a statewide map, not a county site. ORMAP statewide tax lot viewer (Oregon) covers parcels across Oregon, and Umatilla County is one part of it. 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.
How to use the Umatilla County viewer
- Open the statewide map with the button above.
- Search for an address in Umatilla County, or zoom to the county on the map.
- Click a parcel to see the attributes the state layer includes.
- Write down the parcel number and use it for records searches with the Umatilla County assessor or recorder.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Umatilla County by the numbers
The U.S. Census Bureau estimated Umatilla County's population at 80,053 in 2023, spread over about 3,215 square miles of land, or roughly 25 people per square mile. That makes it number 14 out of 36 Oregon counties by population. The county seat is Pendleton.
Counties next to Umatilla County
Parcels close to the edge of Umatilla County can fall in the next county over. Neighboring counties:
- Grant County
- Morrow County
- Union County
- Wallowa County
- Benton County, WA
- Columbia County, WA
- Walla Walla County, WA
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.