Grant County

Parcel & Property Data

36,467Total Parcels
Avg. Market Value
970,102Total Acres (measured from parcel boundaries)

LandBrief holds 36,467 parcel records for Grant 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 Grant County assessor roll dated December 2019, loaded August 2026. See data sources for every county’s vintage.

Explore Grant County

Grant County by the Numbers

Median parcel size
0.38 acres
measured from mapped boundaries
90th-percentile parcel
40.9 acres
County land area
2,535,172 acres
U.S. Census measurement
Communities
27
33.6% of parcels outside any incorporated place

Who Owns Grant County?

Share of the county’s 36,467 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 typeShare of parcels
Individuals65.7%
Companies & organizations21.6%
Trusts & estates7.3%
Government4.8%
Other / unclassified0.6%

The largest owner on record is CHINO MINES COMPANY with 1,011 parcels — see the full landowner leaderboard.

Parcel Records (~36,467 total)

per page
Parcel IDOwnerAddressCityAcreage
3081118264132A T CROSS CATTLE CO INCUnincorporated157.83 †
3081118264132A T CROSS CATTLE CO INCUnincorporated491.36 †
3081118264132A T CROSS CATTLE CO INCUnincorporated45.15 †
3081118264132A T CROSS CATTLE CO INCUnincorporated330.44 †
3081118264132A T CROSS CATTLE CO INCUnincorporated323.85 †
3081118264132A T CROSS CATTLE CO INCUnincorporated241.40 †
3081118264132A T CROSS CATTLE CO INCUnincorporated44.92 †
3081118264132A T CROSS CATTLE CO INCUnincorporated640.55 †
3081118264132A T CROSS CATTLE CO INCUnincorporated310.29 †
3081118264132A T CROSS CATTLE CO INCUnincorporated38.98 †
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Download Grant County parcel data

All 36,467 parcels in Grant County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Grant County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Grant County?

The Grant County assessor roll on file records 36,467 parcels across 27 communities, with 33.6% lying outside any incorporated place.

Who owns the most land in Grant County?

CHINO MINES COMPANY holds 1,011 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Grant County?

Measured from mapped boundaries, the median parcel is 0.38 acres, and nine parcels in ten are under 40.9 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Grant County is government-owned?

Government entities — federal, state, and local — hold 4.8% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Grant County assessor roll dated December 2019. 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 (27)

36,467 parcels across 27 communities in Grant County.