Multnomah County

Parcel & Property Data

282,119Total Parcels

—Avg. Market Value

268,187Total Acres (measured from parcel boundaries)

About This Data

LandBrief holds 282,119 parcel records for Multnomah County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the Multnomah County assessor roll dated April 2024, loaded August 2026. See data sources for every county’s vintage.

Explore Multnomah County

Multnomah County by the Numbers

Median parcel size: 0.12 acres
measured from mapped boundaries
90th-percentile parcel: 0.41 acres
County land area: 275,852 acres
U.S. Census measurement
Communities: 15
0.0% of parcels outside any incorporated place

Who Owns Multnomah County?

Share of the county’s 282,119 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner type	Share of parcels
Individuals	74.7%
Companies & organizations	11.5%
Trusts & estates	12.5%
Government	0.9%
Other / unclassified	0.4%

The largest owner on record is PORTLAND CITY OF with 3,027 parcels — see the full landowner leaderboard.

Parcel Records (~282,119 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
R188085	ALLEN,JAMES J & ESTRADA-ALLEN,SUSANNE	1927 NE TILLAMOOK ST	Portland	0.23 †
R188083	MULTNOMAH COUNTY TAX TITLE	LEVY CODE 201	Portland	0.00 †
R188084	PETERS,DON	1943-1947 NE TILLAMOOK ST	Portland	0.34 †
R188087	TUNE,LAUREN H & LAKHDAR-GHAZAL,OUSAMA	2134 NE 19TH AVE	Portland	0.11 †
R188089	SUSAN M REID REV TR	2206-2208 NE 19TH AVE	Portland	0.11 †
R187470	TL HOLDING TRUST	—	Portland	0.00 †
R187474	BRANDT,BROOKE H & BRANDT,JOSHUA L	—	Portland	0.00 †
R187475	COLLINS,TARA	—	Portland	0.00 †
R187476	ACE,MARK J	—	Portland	0.00 †
R187477	CLAWSON,STEPHEN &CLAWSON,JOYCE M &CLAWSON,JOYCE M TR	—	Portland	0.00 †

Page 1 of 28212

Download Multnomah County parcel data

All 282,119 parcels in Multnomah County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Multnomah County on FreeParcelData →

Nearby counties

Frequently Asked Questions

How many parcels are in Multnomah County?

The Multnomah County assessor roll on file records 282,119 parcels across 15 communities.

Who owns the most land in Multnomah County?

PORTLAND CITY OF holds 3,027 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Multnomah County?

Measured from mapped boundaries, the median parcel is 0.12 acres, and nine parcels in ten are under 0.41 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Multnomah County is government-owned?

Government entities — federal, state, and local — hold 0.9% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Multnomah County assessor roll dated April 2024. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.

Browse by City (15)

282,119 parcels across 15 communities in Multnomah County.