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Unicoi County, TN Parcels & GIS Data

Unicoi County, TN parcel data: 10,298 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Unicoi County, Tennessee parcel data covering 10,298 property records.

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

Unicoi County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 17,928. Its county seat is Erwin.

FIPS 47171

The FIPS code for Unicoi County is 47171.

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MadisonYanceyMitchellCarterWashingtonGreeneUnicoi
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Attribute coverage

Unicoi County contains 10,298 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%10,298
parcelid100%10,298
parcelid2<0.1%0
ogparcelid100%10,298
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%10,298
statefp100%10,298
countyfp100%10,298
countyname100%10,298
cousubfp100%10,298
cousubname100%10,298
tractce100%10,298
tractname100%10,298
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs78.0%8,033
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres100%10,298
calcarea100%10,298
saleamt<0.1%0
saledate<0.1%0
ownertype99.9%10,292
ownername100%10,298
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr100%10,298
parcelcity100%10,298
parcelstate100%10,298
parcelzip100%10,298
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
lot100%10,298
parceltype1.3%133
accesstype1.3%133
iucnclass1.2%126
placename4.5%468
placetype4.4%457
firmid100%10,297
firmdate100%10,297
fldzone100%10,297
zonesubty96.1%9,901
staticbfe<0.1%5
elevmin99.4%10,232
elevmax99.4%10,232
elevavg99.4%10,232
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
naicscode9.2%952
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%10,298
centroidx100%10,298
centroidy100%10,298
surfpointx100%10,298
surfpointy100%10,298
geom100%10,298
extras100%10,298
lrversion100%10,298

Schema mapping

How source columns from the acquired Unicoi 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 — Unicoi County, Tennessee (47171) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 calc_acre owner address city lot lastupdate geom 16 cols ⇢ parcelid taxacres ownername parceladdr parcelcity 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 100% updated 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.4% elevmin 99.4% elevmax 99.4% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.1% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 78.0% numbldgs 100% parcelstate 100% parcelzip lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname numbldgs taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (56) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit PARCEL 8 mapped · 16 kept in extras · 46 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid calc_acre owner address city lot lastupdate geom parcelid taxacres ownername parceladdr parcelcity lot updated geom extras · 16 source columns preserved as json gislink, county_id, parcel_type, file_type, conum, cmap, gp parcel, deedac, calcac, owner2, subdiv, shape_starea__ shape_stlength__, objectid_1, full_search_field extras not present in source — filled with NULL (46) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelstate parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, sourceurl, taxdistrict, parentid, fireplaces, heating cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Unicoi County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated