Columbia County
Parcel & Property Data
About This Data
LandBrief holds 20,031 parcel records for Columbia 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 Columbia County assessor roll dated January 2026, loaded August 2026. See data sources for every county’s vintage.
Explore Columbia County
Columbia County by the Numbers
- Median parcel size
- 5.1 acres
measured from mapped boundaries - 90th-percentile parcel
- 67.1 acres
- County land area
- 490,282 acres
U.S. Census measurement - Communities
- 6
70.5% of parcels outside any incorporated place - Median assessed value
- $10,845
95% of parcels carry a value
Who Owns Columbia County?
Share of the county’s 20,031 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 | 66.8% |
| Companies & organizations | 19.2% |
| Trusts & estates | 10.1% |
| Government | 1.1% |
| Other / unclassified | 2.9% |
The largest owner on record is DELTIC TIMBER CORPORATION with 385 parcels — see the full landowner leaderboard.
Parcel Records (~20,031 total)
| Parcel ID | Owner | Address | City | Acreage | Market Value |
|---|---|---|---|---|---|
| 00-05734-00000 | WEPFER JULIA F TR AND HOLLY METCALF KINYON ETAL | — | Unincorporated | 644.33 | $82,920 |
| 00-16923-00000 | LAKE COLUMBIA | — | Unincorporated | 643.65 | — |
| 00-20431-00000 | CHERRY RIDGE LLC | — | Unincorporated | 641.71 | $67,510 |
| 00-00782-00000 | TRIANGLE INDUSTRIES INC | — | Unincorporated | 629.78 | $86,165 |
| 00-00725-00000 | NATURAL RESOURCES INC | — | Unincorporated | 601.30 | $88,730 |
| 00-20806-00000 | LORRIE TIMBERLANDS LLC | — | Unincorporated | 585.24 | $65,550 |
| 00-17634-00000 | DORCHEAT LAND AND TIMBER LLC | — | Unincorporated | 573.49 | $85,185 |
| 00-00654-00000 | DELTIC TIMBER CORPORATION | — | Unincorporated | 565.35 | $79,025 |
| 00-17837-00000 | TRIMBLE FAMILY LAND COMPANY LLLP | — | Unincorporated | 552.01 | $68,820 |
| 00-19408-00000 | SMITH LAND CO II LLC | — | Unincorporated | 550.25 | $47,600 |
Download Columbia County parcel data
All 20,031 parcels in Columbia County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Columbia County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Columbia County?
The Columbia County assessor roll on file records 20,031 parcels across 6 communities, with 70.5% lying outside any incorporated place.
Who owns the most land in Columbia County?
DELTIC TIMBER CORPORATION holds 385 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Columbia County?
Measured from mapped boundaries, the median parcel is 5.1 acres, and nine parcels in ten are under 67.1 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Columbia County is government-owned?
Government entities — federal, state, and local — hold 1.1% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Columbia County assessor roll dated January 2026. 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)
20,031 parcels across 6 communities in Columbia County.