Multnomah County, OR GIS parcel data download

Download Multnomah County, Oregon GIS parcel data - 284,274 parcels with owner names, site & mailing addresses, acreage, land use, and sale values. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.

Data freshness: ETLRecordUpdateDtTm in Multnomah DART Taxlots layer; last loaded into LandAI on 2026-05-13.

Every purchase includes all five export formats (Shapefile, FileGDB, GeoPackage, GeoJSON & CSV), standardized to the LandAI parcel schema with WGS84 (EPSG:4326) geometry. After checkout you choose which formats to generate and download them for 45 days.

What's in the Multnomah County dataset

Field completeness measured across 284,274 active parcels (ETLRecordUpdateDtTm in Multnomah DART Taxlots layer; last loaded into LandAI on 2026-05-13):

FieldCoverage
Owner names100%
Site addresses96.5%
Owner mailing addresses99.9%
Deeded acres100%
Calculated (GIS) acres100%
Land use100%
Last sale price100%
Sale / transfer date58.8%
Assessed total value99.6%
Market total value99.6%
Year built100%
Building square footage100%
Legal description100%

These are 13 of the 48 standardized fields in the LandAI parcel schema. Live per-field completeness for every field is shown on this page's interactive view.

Multnomah County parcel data FAQ

How many parcels are in Multnomah County, OR?

Multnomah County, Oregon has 284,274 active parcels in the LandAI dataset (source data as of 2026-05-09).

What fields are included in Multnomah County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (100%), site addresses (96.5%), owner mailing addresses (99.9%), deeded acres (100%), calculated (GIS) acres (100%), land use (100%), last sale price (100%), sale / transfer date (58.8%), and more.

What formats can I download Multnomah County GIS parcel data in?

Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. Every $100 county purchase includes all five formats; you choose which to generate after checkout and can re-download for 45 days.

How current is the Multnomah County parcel data?

ETLRecordUpdateDtTm in Multnomah DART Taxlots layer; last loaded into LandAI on 2026-05-13.

Does Multnomah County parcel data include owner names?

Yes - 100% of Multnomah County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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