Owyhee County
Parcel & Property Data
About This Data
LandBrief holds 9,382 parcel records for Owyhee 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 Owyhee County assessor roll dated April 2024, loaded August 2026. See data sources for every county’s vintage.
Explore Owyhee County
Owyhee County by the Numbers
- Median parcel size
- 5.2 acres
measured from mapped boundaries - 90th-percentile parcel
- 200.9 acres
- County land area
- 4,907,650 acres
U.S. Census measurement - Communities
- 6
76.9% of parcels outside any incorporated place
Who Owns Owyhee County?
Share of the county’s 9,382 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 | 64.3% |
| Companies & organizations | 25.4% |
| Trusts & estates | 7.6% |
| Government | 2.2% |
| Other / unclassified | 0.5% |
The largest owner on record is JR SIMPLOT COMPANY with 247 parcels — see the full landowner leaderboard.
Parcel Records (~9,382 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| RP16S12E300001 | BARINAGA RANCHES LLC | — | Unincorporated | 699.17 |
| RP13S12E300001 | SALMON FALLS LAND & LIVESTOCK | — | Unincorporated | 676.29 |
| RP06S05E320002 | JR SIMPLOT COMPANY | — | Unincorporated | 657.41 |
| RP06S06E140000 | STATE OF IDAHO | 27760 SAND DUNES RD, BRUNEAU, ID 83604 | Unincorporated | 654.83 |
| RP06S06E240001 | STATE OF IDAHO | — | Unincorporated | 652.94 |
| RP13S04E020001 | ALZOLA, CHRISTINE DIANE | — | Unincorporated | 651.67 |
| RP06S06E230001 | STATE OF IDAHO | — | Unincorporated | 651.67 |
| RP06S04W090001 | BRASHER, CRAIG W | — | Unincorporated | 650.51 |
| RP03S05W010001 | CHIPMUNK GRAZING ASSOC INC | — | Unincorporated | 649.96 |
| RP14S03E200001 | RIDDLE RANCHES INC | 25339 RIDDLE RANCH RD, BRUNEAU, ID 83604 | Unincorporated | 647.15 |
Download Owyhee County parcel data
All 9,382 parcels in Owyhee County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
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Frequently Asked Questions
How many parcels are in Owyhee County?
The Owyhee County assessor roll on file records 9,382 parcels across 6 communities, with 76.9% lying outside any incorporated place.
Who owns the most land in Owyhee County?
JR SIMPLOT COMPANY holds 247 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Owyhee County?
Measured from mapped boundaries, the median parcel is 5.2 acres, and nine parcels in ten are under 200.9 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Owyhee County is government-owned?
Government entities — federal, state, and local — hold 2.2% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Owyhee 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 (6)
9,382 parcels across 6 communities in Owyhee County.