Mountrail County
Parcel & Property Data
About This Data
LandBrief holds 17,141 parcel records for Mountrail 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 Mountrail County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Mountrail County
Mountrail County by the Numbers
- Median parcel size
- 40 acres
measured from mapped boundaries - 90th-percentile parcel
- 160 acres
- County land area
- 1,168,104 acres
U.S. Census measurement - Communities
- 8
75.2% of parcels outside any incorporated place
Who Owns Mountrail County?
Share of the county’s 17,141 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 | 8.8% |
| Companies & organizations | 0.7% |
| Trusts & estates | 0.8% |
| Government | 0.2% |
| Other / unclassified | 89.6% |
The largest owner on record is PATTERSON/BRIAN D/IRREV TRUST with 32 parcels — see the full landowner leaderboard.
Parcel Records (~17,141 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 16918 | — | EVANS TTT RANCH FAMILY TRUST 4949 TRIPLE T ROAD STANLEY ND 58784 | Unincorporated | 355.54 |
| 220005000 | MYERS/HARRISON | 6120 61ST AVE NW BERTHOLD ND 58718 | Unincorporated | 315.38 |
| 17223 | — | 8240 74TH ST NW STANLEY ND 58784 | Stanley | 311.11 |
| 180006700 | — | C/O PIVOTAL ENERGY PARTNERS 736 6TH AVE SW SUITE 510 CALGARY AB T2P 3T7 0 | Unincorporated | 301.17 |
| 180006700 | — | C/O PIVOTAL ENERGY PARTNERS 736 6TH AVE SW SUITE 510 CALGARY AB T2P 3T7 0 | Unincorporated | 301.17 |
| 220005100 | — | 5901 61ST AVE NW BERTHOLD ND 58718 | Unincorporated | 263.46 |
| 200009300 | — | ATTN: PROPERTY TAX DEPARTMENT PO BOX 4648 HOUSTON TX 77210 | Unincorporated | 236.02 |
| 200009300 | — | ATTN: PROPERTY TAX DEPARTMENT PO BOX 4648 HOUSTON TX 77210 | Unincorporated | 236.02 |
| 16906 | — | EVANS TTT RANCH FAMILY TRUST 4949 TRIPLE T ROAD STANLEY ND 58784 | Unincorporated | 234.36 |
| 170005300 | — | — | Unincorporated | 224.00 |
Download Mountrail County parcel data
All 17,141 parcels in Mountrail County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Mountrail County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Mountrail County?
The Mountrail County assessor roll on file records 17,141 parcels across 8 communities, with 75.2% lying outside any incorporated place.
Who owns the most land in Mountrail County?
PATTERSON/BRIAN D/IRREV TRUST holds 32 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Mountrail County?
Measured from mapped boundaries, the median parcel is 40 acres, and nine parcels in ten are under 160 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Mountrail County is government-owned?
Government entities — federal, state, and local — hold 0.2% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Mountrail County assessor roll dated July 2025. 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 (8)
17,141 parcels across 8 communities in Mountrail County.