Oregon · FIPS 41051 · County seat: Portland
Multnomah County, OR GIS & Parcel Viewer
Multnomah 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 Multnomah 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 | Portland |
| Population | 789,698 (2023 Census Bureau estimate) |
| Land area | 431 sq mi |
| FIPS code | 41051 |
About the official source
The link goes to a statewide map (ORMAP statewide tax lot viewer (Oregon)). It shows parcels for Multnomah County along with the rest of Oregon. 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. Our October 2026 check found the map open to the public, with no account or payment needed.
Searching for a parcel, step by step
- Open the statewide map with the button above.
- Search for an address in Multnomah 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 Multnomah County assessor or recorder.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
Multnomah County had an estimated 789,698 residents in 2023, according to the Census Bureau. With about 431 square miles of land, that works out to roughly 1,832 people per square mile. That makes it the most populous of Oregon's 36 counties. Portland serves as the county seat.
Nearby parcel maps
Parcels close to the edge of Multnomah County can fall in the next county over. Neighboring counties:
- Clackamas County
- Columbia County
- Hood River County
- Washington County
- Clark County, WA
- Skamania County, WA
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.