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McMullen County, TX Parcels & GIS Data

McMullen County, TX parcel data: 3,728 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes McMullen County, Texas parcel data covering 3,728 property records.

This page documents parcel-level coverage for McMullen 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 McMullen County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete McMullen County property dataset.

McMullen County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 600, making it the fourth-least populous county in Texas. Its county seat is Tilden.

FIPS 48311

Official county website: https://gis.bisclient.com/mcmullencad/

The FIPS code for McMullen County is 48311.

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Attribute coverage

McMullen County contains 3,728 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%3,728
parcelid91.7%3,418
parcelid258.6%2,184
ogparcelid91.5%3,412
ogparcelid20.4%15
parentid<0.1%0
stackid<0.1%0
geoid100%3,728
statefp100%3,728
countyfp100%3,728
countyname100%3,728
cousubfp100%3,728
cousubname100%3,728
tractce100%3,728
tractname100%3,728
taxacctnum97.1%3,619
taxyear100%3,728
taxdistrict<0.1%0
usecode54.7%2,039
usedesc0.8%29
zoningcode4.7%175
zoningdesc<0.1%0
numbldgs24.9%928
numunits22.2%828
yearbuilt0.1%2
numfloors0.5%19
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue91.7%3,418
landvalue91.7%3,418
agvalue<0.1%0
totalvalue91.7%3,418
taxacres93.8%3,498
calcarea100%3,728
saleamt<0.1%0
saledate<0.1%0
ownertype0.4%15
ownername91.7%3,419
owneraddr93.5%3,485
ownercity93.3%3,479
ownerstate93.3%3,478
ownerzip94.0%3,504
parceladdr62.3%2,321
parcelcity63.1%2,353
parcelstate100%3,728
parcelzip99.4%3,704
legaldesc95.5%3,559
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book52.2%1,945
page52.2%1,947
block21.7%808
lot29.5%1,100
parceltype0.7%26
accesstype1.1%40
iucnclass0.1%2
placename2.3%87
placetype2.2%83
firmid<0.1%0
firmdate<0.1%0
fldzone<0.1%0
zonesubty<0.1%0
staticbfe<0.1%0
elevmin57.3%2,138
elevmax57.3%2,138
elevavg57.3%2,138
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
naicscode2.4%91
frsid<0.1%1
dfrurl<0.1%1
caapermit<0.1%1
cwapermit<0.1%1
rcrapermit<0.1%1
updated90.7%3,381
centroidx100%3,728
centroidy100%3,728
surfpointx100%3,728
surfpointy100%3,728
geom100%3,728
extras99.7%3,717
ownerlist0.4%15
placefp6.1%227
zoningurl<0.1%0
lbcsactivity49.4%1,840
lbcsfunction46.6%1,736
lbcstype50.9%1,898
lbcscharacter63.0%2,350
lbcsownership91.8%3,421
sourceurl2.6%98

Schema mapping

How source columns from the acquired McMullen 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 — McMullen County, Texas (48311) 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 prop_id 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 17 cols ⇢ parcelid taxacctnum taxyear imprvalue landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page block lot updated geom 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 57.3% elevmin 57.3% elevmax 57.3% elevavg supplemented · derived / other pipelines 58.6% parcelid2 54.7% usecode 50.9% lbcstype 63.0% lbcscharacter 91.8% lbcsownership lrid parcelid parcelid2 ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear usecode 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 lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (53) — empty or below 50% fill in this county ogparcelid2, parentid, stackid, taxdistrict, usedesc, zoningcode, zoningdesc, numbldgs, numunits, 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, ownerlist, placefp, zoningurl, lbcsactivity, lbcsfunction, sourceurl PARCEL 23 mapped · 13 transformed · 17 kept in extras · 31 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL prop_id_text prop_id 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 parcelid taxacctnum taxyear imprvalue landvalue totalvalue taxacres ownername owneraddr NULLIF(concat_ws(' ', NULLIF(btrim(addr_line1), ''), NULLIF(btr… ownercity NULLIF(btrim(addr_city), '')::text ownerstate NULLIF(btrim(addr_state), '')::text ownerzip NULLIF(btrim(zip), '')::text parceladdr NULLIF(concat_ws(' ', NULLIF(btrim(situs_num), ''), NULLIF(btri… parcelcity NULLIF(btrim(situs_city), '')::text parcelstate NULLIF(btrim(situs_state), '')::text parcelzip NULLIF(btrim(situs_zip), '')::text legaldesc NULLIF(concat_ws(' ', NULLIF(btrim(legal_desc), ''), NULLIF(btr… book NULLIF(btrim(volume), '')::text page NULLIF(btrim(page), '')::text block NULLIF(btrim(block), '')::text lot NULLIF(btrim(tract_or_lot), '')::text updated geom extras · 17 source columns preserved as json created_date, geo_id, hood_cd, school, city, county next_appraisal_dt, abs_subdv_cd, map_id, deed_seq, deed_date number, objectid_1, creationdate, creator, editdate, editor extras not present in source — filled with NULL (31) parcelid2, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, saleamt, saledate, township, section, qtrsection, range, plssdesc, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering McMullen County:

Frequently asked questions

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

Land Records publishes a McMullen 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 McMullen County, TX dataset as a GeoPackage or CSV.

How many parcels are in McMullen County, TX?

The current dataset contains 3,728 parcel records for McMullen County, TX, each with its boundary geometry and assessor attributes.

What is the FIPS code for McMullen County, TX?

The FIPS code for McMullen County, TX is 48311.

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

Each McMullen 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 McMullen County, TX parcel data free?

You can preview McMullen 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 McMullen County, TX have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated