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Union County, NC Parcels & GIS Data

Union County, NC parcel data: 117,247 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Union County, North Carolina parcel data covering 117,247 property records.

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

Union County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 238,267. Its county seat is Monroe.

FIPS 37179

Official county website: https://atlas.unioncountync.gov/maps/

The FIPS code for Union County is 37179.

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Attribute coverage

Union County contains 117,247 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%117,247
parcelid99.0%116,111
parcelid2100%117,213
ogparcelid99.0%116,077
ogparcelid2100%117,213
parentid<0.1%0
stackid<0.1%0
geoid100%117,247
statefp100%117,247
countyfp100%117,247
countyname100%117,247
cousubfp100%117,247
cousubname100%117,247
tractce100%117,247
tractname100%117,247
taxacctnum89.9%105,424
taxyear100%117,247
taxdistrict99.7%116,840
usecode0.1%130
usedesc99.2%116,363
zoningcode29.9%35,084
zoningdesc25.3%29,649
numbldgs100%117,247
numunits81.1%95,121
yearbuilt95.6%112,033
numfloors52.5%61,601
bldgsqft69.6%81,546
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue100%117,213
landvalue100%117,213
agvalue98.7%115,733
totalvalue100%117,213
taxacres99.7%116,880
calcarea100%117,247
saleamt79.7%93,436
saledate99.9%117,167
ownertype99.0%116,108
ownername99.0%116,108
owneraddr99.0%116,107
ownercity98.7%115,691
ownerstate98.7%115,688
ownerzip98.7%115,731
parceladdr98.8%115,847
parcelcity0.3%367
parcelstate100%117,247
parcelzip100%117,247
legaldesc99.0%116,074
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book1.5%1,793
page1.5%1,793
block<0.1%25
lot<0.1%40
parceltype0.2%209
accesstype0.3%392
iucnclass0.1%151
placename3.4%4,026
placetype3.4%3,987
firmid100%117,234
firmdate100%117,234
fldzone100%117,234
zonesubty98.7%115,754
staticbfe<0.1%0
elevmin99.7%116,862
elevmax99.7%116,862
elevavg99.7%116,862
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
naicscode7.1%8,373
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%117,247
centroidx100%117,247
centroidy100%117,247
surfpointx100%117,247
surfpointy100%117,247
geom100%117,247
extras100%117,247
ownerlist77.7%91,105
placefp65.6%76,932
zoningurl0.8%967
lbcsactivity94.0%110,159
lbcsfunction93.9%110,094
lbcstype97.8%114,686
lbcscharacter96.0%112,610
lbcsownership99.0%116,109
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Union 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 — Union County, North Carolina (37179) 2 entities · 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 parno altparno parusecode parusecd2 parusedesc parusedsc2 struct structyear improvval landval parval recareatx recareano gisacres saledate ownname ownfrst ownlast ownname2 mailadd maddpref maddrno maddstname maddstr maddstsuf maddsttyp mcity mstate mzip siteadd saddpref saddno saddstname saddstr saddstsuf saddsttyp scity sstate stname szip legdecfull revisedate geom cntyname munit sunit multistruc saledatetx parvaltype owntype sourceref sourcedate sourcedatx subdivisio nparno cntyfips stfips stcntyfips gnisid sourceagnt transfdate revdatetx reviseyear mapref subowntype subsurfown structno presentval st_area_shape_ st_perimeter_shape_ parcelid parcelid2 usecode usedesc numbldgs yearbuilt imprvalue landvalue totalvalue taxacres saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc updated geom taxdistrict extras ZONING zone geom 2 cols ⇢ zoningcode geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 98.7% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 89.9% taxacctnum 81.1% numunits 52.5% numfloors 69.6% bldgsqft 98.7% agvalue 79.7% saleamt 77.7% ownerlist 65.6% placefp 94.0% lbcsactivity 93.9% lbcsfunction 97.8% lbcstype 96.0% lbcscharacter 99.0% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode numbldgs numunits yearbuilt numfloors bldgsqft imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (37) — empty or below 50% fill in this county parentid, stackid, zoningdesc, bedrooms, halfbaths, fullbaths, township, section, qtrsection, range, plssdesc, book, page, block, lot parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl, sourceurl PARCEL 25 mapped · 21 transformed · 30 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parno altparno parusecode parusecd2 parusedesc parusedsc2 struct structyear improvval landval parval recareatx recareano gisacres saledate ownname ownfrst ownlast ownname2 mailadd maddpref maddrno maddstname maddstr maddstsuf maddsttyp mcity mstate mzip siteadd saddpref saddno saddstname saddstr saddstsuf saddsttyp scity sstate stname szip legdecfull revisedate geom cntyname munit sunit multistruc saledatetx parvaltype owntype sourceref sourcedate sourcedatx subdivisio nparno cntyfips stfips stcntyfips gnisid sourceagnt transfdate revdatetx reviseyear mapref subowntype subsurfown structno presentval st_area_shape_ st_perimeter_shape_ parcelid NULLIF(TRIM(parno), '')::text parcelid2 NULLIF(TRIM(altparno), '')::text usecode COALESCE( NULLIF(TRIM(parusecode), '')::text, NULLIF(TRIM(parus… usedesc COALESCE( NULLIF(TRIM(parusedesc), '')::text, NULLIF(TRIM(parus… numbldgs CASE WHEN UPPER(TRIM(struct)) = 'Y' THEN '1'::text WHEN UPPER(T… yearbuilt NULLIF(structyear, 0)::text imprvalue landvalue totalvalue taxacres COALESCE( NULLIF(TRIM(recareatx), '')::text, CASE WHEN recarean… saledate CASE WHEN saledate IS NOT NULL AND saledate > 0 THEN to_timesta… ownername NULLIF(TRIM(concat_ws('; ', COALESCE( NULLIF(TRIM(ownname), '')… owneraddr COALESCE( NULLIF(TRIM(mailadd), '')::text, NULLIF(TRIM(concat_w… ownercity NULLIF(TRIM(mcity), '')::text ownerstate NULLIF(TRIM(mstate), '')::text ownerzip NULLIF(TRIM(mzip), '')::text parceladdr COALESCE( NULLIF(TRIM(siteadd), '')::text, NULLIF(TRIM(concat_w… parcelcity NULLIF(TRIM(scity), '')::text parcelstate COALESCE( NULLIF(TRIM(sstate), '')::text, NULLIF(TRIM(stname), … parcelzip NULLIF(TRIM(szip), '')::text legaldesc NULLIF(TRIM(legdecfull), '')::text updated CASE WHEN revisedate IS NOT NULL AND revisedate > 0 THEN to_tim… geom taxdistrict NULLIF(TRIM(cntyname), '')::text extras (json_build_object( 'munit', munit::text, 'sunit', sunit::text,… not present in source — filled with NULL (30) taxacctnum, taxyear, zoningcode, zoningdesc, numunits, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, township, section qtrsection, range, plssdesc, book, page, block, lot, sourceurl, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 2 mapped · 2 kept in extras · 7 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING zone geom zoningcode geom extras · 2 source columns preserved as json gis_data_data_loader_zoning_are, admin extras not present in source — filled with NULL (7) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Union County:

Frequently asked questions

Where can I find Union County, NC parcel and GIS data?

Land Records publishes a Union County, NC 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 Union County, NC dataset as a GeoPackage or CSV.

How many parcels are in Union County, NC?

The current dataset contains 117,247 parcel records for Union County, NC, each with its boundary geometry and assessor attributes.

What is the FIPS code for Union County, NC?

The FIPS code for Union County, NC is 37179.

What information does each Union County, NC parcel record include?

Each Union County, NC 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 Union County, NC parcel data free?

You can preview Union County, NC 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 Union County, NC have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated