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Union County, SC Parcels & GIS Data

Union County, SC parcel data: 19,078 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Union County, South Carolina parcel data covering 19,078 property records.

This page documents parcel-level coverage for Union County, South 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 South Carolina. As of the 2020 census, the population was 27,244. Its county seat is Union.

FIPS 45087

Official county website: https://gearupunionsc.com

The FIPS code for Union County is 45087.

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Attribute coverage

Union County contains 19,078 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%19,078
parcelid100%19,078
parcelid298.9%18,873
ogparcelid100%19,078
ogparcelid299.0%18,890
parentid<0.1%0
stackid<0.1%0
geoid100%19,078
statefp100%19,078
countyfp100%19,078
countyname100%19,078
cousubfp100%19,078
cousubname100%19,078
tractce100%19,078
tractname100%19,078
taxacctnum<0.1%0
taxyear100%19,078
taxdistrict<0.1%0
usecode<0.1%0
usedesc2.8%539
zoningcode12.1%2,302
zoningdesc<0.1%0
numbldgs61.4%11,709
numunits59.2%11,293
yearbuilt<0.1%0
numfloors<0.1%1
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue95.7%18,251
landvalue95.7%18,251
agvalue95.7%18,251
totalvalue95.7%18,251
taxacres24.4%4,650
calcarea100%19,078
saleamt<0.1%0
saledate<0.1%0
ownertype99.8%19,031
ownername99.8%19,031
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr63.4%12,100
parcelcity12.0%2,280
parcelstate100%19,078
parcelzip100%19,078
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.5%101
accesstype0.7%141
iucnclass0.5%104
placename4.1%782
placetype3.9%750
firmid99.9%19,055
firmdate99.9%19,055
fldzone99.9%19,055
zonesubty98.9%18,863
staticbfe<0.1%0
elevmin4.3%812
elevmax4.3%812
elevavg4.3%812
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
naicscode3.4%640
frsid0.2%31
dfrurl0.2%31
caapermit0.2%31
cwapermit0.2%31
rcrapermit0.2%31
updated99.0%18,896
centroidx100%19,078
centroidy100%19,078
surfpointx100%19,078
surfpointy100%19,078
geom100%19,078
extras99.9%19,057
ownerlist86.9%16,581
placefp41.6%7,945
zoningurl11.9%2,279
lbcsactivity15.4%2,933
lbcsfunction15.4%2,929
lbcstype14.7%2,813
lbcscharacter61.9%11,804
lbcsownership99.8%19,037
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, South Carolina (45087) 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 parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid ogparcelid geoid parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid extras ZONING geom zone 4 cols ⇢ geom zoningcode extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 99.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 4.3% elevmin 4.3% elevmax 4.3% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 98.9% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 61.4% numbldgs 59.2% numunits 95.7% imprvalue 95.7% landvalue 95.7% agvalue 100% parcelstate 100% parcelzip 86.9% ownerlist 61.9% lbcscharacter 100% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear zoningcode numbldgs numunits imprvalue landvalue agvalue totalvalue taxacres calcarea ownertype ownername parceladdr parcelstate parcelzip firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (55) — empty or below 50% fill in this county stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, saleamt saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelcity, legaldesc, 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, placefp, zoningurl, lbcsactivity, lbcsfunction, lbcstype, sourceurl PARCEL 9 mapped · 1 transformed · 46 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid ogparcelid geoid parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid extras json_build_object('ogparcelid', ogparcelid::text, 'geoid', geoi… not present in source — filled with NULL (46) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelcity, parcelstate, parcelzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, taxdistrict, heatfuel, fireplaces heating, cooling, foundation, roofcover, siding ZONING 2 mapped · 1 transformed · 4 kept in extras · 7 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zone geom zoningcode NULLIF(BTRIM(zone), '')::text extras · 4 source columns preserved as json perimeter, zone2000, zone2000_i, layerkey 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, SC parcel and GIS data?

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

How many parcels are in Union County, SC?

The current dataset contains 19,078 parcel records for Union County, SC, each with its boundary geometry and assessor attributes.

What is the FIPS code for Union County, SC?

The FIPS code for Union County, SC is 45087.

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

Each Union County, SC 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, SC parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated