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Dallam County, TX Parcels & GIS Data

Dallam County, TX parcel data: 6,632 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dallam County, Texas parcel data covering 6,632 property records.

This page documents parcel-level coverage for Dallam County, Texas. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Dallam County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Dallam County property dataset.

Dallam County is the north-westernmost county in the U.S. state of Texas. As of the 2020 Census, its population was 7,115. Its county seat is Dalhart.

FIPS 48111

Official county website: http://www.dallam.org

The FIPS code for Dallam County is 48111.

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Attribute coverage

Dallam County contains 6,632 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%6,632
parcelid99.9%6,627
parcelid293.8%6,218
ogparcelid99.9%6,627
ogparcelid230.7%2,037
parentid<0.1%0
stackid<0.1%0
geoid100%6,632
statefp100%6,632
countyfp100%6,632
countyname100%6,632
cousubfp100%6,632
cousubname100%6,632
tractce100%6,632
tractname100%6,632
taxacctnum63.9%4,239
taxyear100%6,632
taxdistrict93.9%6,225
usecode89.3%5,920
usedesc0.6%42
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs53.6%3,554
numunits51.6%3,419
yearbuilt16.5%1,091
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue99.5%6,596
landvalue99.5%6,596
agvalue0.1%8
totalvalue99.5%6,596
taxacres99.3%6,588
calcarea100%6,632
saleamt<0.1%0
saledate<0.1%0
ownertype95.9%6,360
ownername95.9%6,360
owneraddr98.1%6,507
ownercity97.3%6,455
ownerstate97.2%6,448
ownerzip98.0%6,502
parceladdr98.5%6,530
parcelcity87.8%5,820
parcelstate100%6,632
parcelzip99.7%6,611
legaldesc98.3%6,516
township<0.1%1
section<0.1%1
qtrsection<0.1%1
range<0.1%1
plssdesc<0.1%1
book26.3%1,743
page26.2%1,740
block91.5%6,067
lot93.5%6,199
parceltype0.9%60
accesstype3.4%225
iucnclass3.2%214
placename7.3%486
placetype7.1%470
firmid<0.1%0
firmdate<0.1%0
fldzone<0.1%0
zonesubty<0.1%0
staticbfe<0.1%0
elevmin67.0%4,444
elevmax67.0%4,444
elevavg67.0%4,444
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode27.3%1,811
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.9%6,627
centroidx100%6,632
centroidy100%6,632
surfpointx100%6,632
surfpointy100%6,632
geom100%6,632
extras99.2%6,579
ownerlist63.5%4,209
placefp46.7%3,096
zoningurl<0.1%0
lbcsactivity6.0%400
lbcsfunction6.0%398
lbcstype6.2%411
lbcscharacter56.6%3,756
lbcsownership95.9%6,361
sourceurl30.7%2,037

Schema mapping

How source columns from the acquired Dallam County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Dallam County, Texas (48111) 1 entity · most recent acquisition per entity · generated 2026-10-10 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL prop_id_text owner_tax_yr imprv_val land_val market legal_acreage file_as_name addr_line1 addr_line2 addr_line3 addr_city addr_state zip situs_num situs_street_prefx situs_street situs_street_sufix situs_city situs_state situs_zip legal_desc legal_desc2 legal_desc3 volume page block tract_or_lot last_edited_date geom county created_date prop_id hood_cd school city next_appraisal_dt abs_subdv_cd map_id geo_id deed_seq deed_date number objectid_1 creationdate creator editdate editor parcelid taxyear imprvalue landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page block lot updated geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname geom · derived from geometry geom dem.us_1m · USGS 1m DEM 67.0% elevmin 67.0% elevmax 67.0% elevavg supplemented · derived / other pipelines 93.8% parcelid2 63.9% taxacctnum 89.3% usecode 53.6% numbldgs 51.6% numunits 63.5% ownerlist 56.6% lbcscharacter 95.9% lbcsownership lrid parcelid parcelid2 ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page block lot elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (50) — empty or below 50% fill in this county ogparcelid2, parentid, stackid, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue saleamt, saledate, township, section, qtrsection, range, plssdesc, parceltype, accesstype, iucnclass, placename, placetype, firmid, firmdate fldzone, zonesubty, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, placefp, zoningurl, lbcsactivity, lbcsfunction, lbcstype, sourceurl PARCEL 24 mapped · 5 transformed · 31 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL prop_id_text owner_tax_yr imprv_val land_val market legal_acreage file_as_name addr_line1 addr_line2 addr_line3 addr_city addr_state zip situs_num situs_street_prefx situs_street situs_street_sufix situs_city situs_state situs_zip legal_desc legal_desc2 legal_desc3 volume page block tract_or_lot last_edited_date geom county created_date prop_id hood_cd school city next_appraisal_dt abs_subdv_cd map_id geo_id deed_seq deed_date number objectid_1 creationdate creator editdate editor parcelid taxyear imprvalue landvalue totalvalue taxacres ownername owneraddr NULLIF(TRIM(CONCAT_WS(' ', addr_line1, addr_line2, addr_line3))… ownercity ownerstate ownerzip parceladdr NULLIF(TRIM(CONCAT_WS(' ', situs_num, situs_street_prefx, situs… parcelcity parcelstate parcelzip legaldesc NULLIF(TRIM(CONCAT_WS(' ', legal_desc, legal_desc2, legal_desc3… book page block lot updated geom taxdistrict NULLIF(TRIM(county), '')::text extras ( json_build_object( 'created_date', created_date::text, 'prop_… not present in source — filled with NULL (31) parcelid2, taxacctnum, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, agvalue, saleamt, saledate, township, section, qtrsection, range, plssdesc, sourceurl, parentid, heatfuel, fireplaces, heating cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Dallam County:

Frequently asked questions

Where can I find Dallam County, TX parcel and GIS data?

Land Records publishes a Dallam County, TX parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Dallam County, TX dataset as a GeoPackage or CSV.

How many parcels are in Dallam County, TX?

The current dataset contains 6,632 parcel records for Dallam County, TX, each with its boundary geometry and assessor attributes.

What is the FIPS code for Dallam County, TX?

The FIPS code for Dallam County, TX is 48111.

What information does each Dallam County, TX parcel record include?

Each Dallam County, TX parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Dallam County, TX parcel data free?

You can preview Dallam County, TX parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Dallam County, TX have an official GIS or property records website?

Yes — the official Dallam County, TX government website is linked in the county details above. Land Records standardizes Dallam County, TX assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated