Oregon · FIPS 41061 · County seat: La Grande
Union County, OR GIS & Parcel Viewer
Union County, Oregon parcel data lives on ORMAP statewide tax lot viewer (Oregon). Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Union County statewide map ↗
Opens ormap.net in a new tab. We link out and never embed or copy parcel data.
Quick 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 | La Grande |
| Population | 25,944 (2023 Census Bureau estimate) |
| Land area | 2,037 sq mi |
| FIPS code | 41061 |
Who runs this map
Union County doesn't have its own viewer in our directory, so we point you to a statewide map: ORMAP statewide tax lot viewer (Oregon). Zoom in on Union County to see its parcels. 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. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this statewide map
- Open ORMAP statewide tax lot viewer (Oregon) in a new tab and zoom to Union County (around La Grande).
- Type a street address into the search box, or click directly on a parcel.
- Review the parcel attributes; field names vary by state.
- Confirm anything important with the county assessor, since the statewide layer is a compiled copy.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Union County
Census Bureau figures put Union County at about 25,944 people (2023 estimate) on roughly 2,037 square miles of land, which is about 13 residents per square mile. By population it ranks 24th of 36 counties in Oregon. Its county seat is La Grande.
Counties next to Union County
Union 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.