San Juan County
Parcel & Property Data
About This Data
LandBrief holds 5,712 parcel records for San Juan 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 San Juan County assessor roll dated March 2024, loaded August 2026. See data sources for every county’s vintage.
Explore San Juan County
San Juan County by the Numbers
- Median parcel size
- 0.06 acres
measured from mapped boundaries - 90th-percentile parcel
- 10.2 acres
- County land area
- 248,010 acres
U.S. Census measurement - Communities
- 2
42.7% of parcels outside any incorporated place
Who Owns San Juan County?
Share of the county’s 5,712 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 | 52.3% |
| Companies & organizations | 33.0% |
| Trusts & estates | 13.8% |
| Government | 0.8% |
| Other / unclassified | 0.1% |
The largest owner on record is DURANGO & SILVERTON / NARROW GAUGE RAILROAD / ATTN CATHY SWARTS, 479 MAIN AVE, DURANGO CO 81301 with 236 parcels — see the full landowner leaderboard.
Parcel Records (~5,712 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| R5950 | PURGATORY VILLAGE LAND, LLC, 23 PURGATORY BLVD - DURANGO, CO 81301 | — | Unincorporated | 38.31 † |
| R5951 | JM BOYCE LAKE LAND HOLDINGS LLC, 1428 VAN BUREN ST - MISSOULA, MT 59802-3820 | — | Unincorporated | 112.99 † |
| R5739 | JACOBS JUSTIN & LYNNE, 1405 4th AVE NW # 314 - ARDMORE, OK 73401-2708 | — | Unincorporated | 0.03 † |
| R5740 | PAPACONSTANTINOU JOHN / PAPACONSTANTINOU EUGENIA T, 43 LEBRUN CT - GALVESTON, TX 77551-1565 | — | Unincorporated | 0.03 † |
| R5746 | ZANG KATHERINE H & DOUGLAS M, 826 E ZIA RD - SANTA FE, NM 87505-4938 | — | Unincorporated | 0.03 † |
| R5747 | BELLEAU LYNDA E BELLEAU TRUST, 8735 APPLE TREE LN - CHERRY VALLEY, CA 92223-3846 | — | Unincorporated | 0.03 † |
| R5748 | DUBE REVOCABLE TRUST / HANS GERHARDT & AMY ELIZABETH, 208 QUAIL BLUFF CT - ALEDO, TX 76008-5826 | — | Unincorporated | 0.03 † |
| R5749 | RELLER CLAUDE & JUDY, 50827 HIGHWAY 550 - DURANGO, CO 81301-9602 | — | Unincorporated | 0.03 † |
| R5885 | FISCHER THOMAS & JANE, 7410 JORDAN AVE S - COTTAGE GROVE, MN 55016-5642 | — | Unincorporated | 0.03 † |
| R5886 | DICKENS TRAERE M TRUST / DICKENS CHARLES & SHARON TRUST, 64 RD 6700 - FRUITLAND, NM 87416-9601 | — | Unincorporated | 0.03 † |
Download San Juan County parcel data
All 5,712 parcels in San Juan 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 San Juan County?
The San Juan County assessor roll on file records 5,712 parcels across 2 communities, with 42.7% lying outside any incorporated place.
Who owns the most land in San Juan County?
DURANGO & SILVERTON / NARROW GAUGE RAILROAD / ATTN CATHY SWARTS, 479 MAIN AVE, DURANGO CO 81301 holds 236 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in San Juan County?
Measured from mapped boundaries, the median parcel is 0.06 acres, and nine parcels in ten are under 10.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of San Juan County is government-owned?
Government entities — federal, state, and local — hold 0.8% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the San Juan County assessor roll dated March 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 (2)
5,712 parcels across 2 communities in San Juan County.