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Unicoi County, TN Parcels & GIS Data

Unicoi County, TN parcel data: 11,001 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Unicoi County, Tennessee parcel data covering 11,001 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

Official county website: http://www.unicoicountytn.gov

The FIPS code for Unicoi County is 47171.

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Attribute coverage

Unicoi County contains 11,001 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%11,001
parcelid100%11,001
parcelid20.2%20
ogparcelid100%11,001
ogparcelid20.2%20
parentid<0.1%0
stackid<0.1%0
geoid100%11,001
statefp100%11,001
countyfp100%11,001
countyname100%11,001
cousubfp100%11,001
cousubname100%11,001
tractce100%11,001
tractname100%11,001
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc0.3%36
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs6.3%697
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%11,001
calcarea100%11,001
saleamt<0.1%0
saledate<0.1%0
ownertype94.0%10,340
ownername94.0%10,340
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr94.0%10,346
parcelcity94.0%10,346
parcelstate100%11,001
parcelzip100%11,001
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
lot94.0%10,346
parceltype0.9%103
accesstype1.4%153
iucnclass1.3%146
placename4.7%517
placetype4.6%504
firmid100%10,998
firmdate100%10,998
fldzone100%10,998
zonesubty96.0%10,559
staticbfe<0.1%5
elevmin99.3%10,921
elevmax99.3%10,921
elevavg99.3%10,921
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
naicscode6.8%750
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%11,001
centroidx100%11,001
centroidy100%11,001
surfpointx100%11,001
surfpointy100%11,001
geom100%11,001
extras100%11,001
ownerlist84.6%9,309
placefp55.3%6,089
zoningurl<0.1%0
lbcsactivity3.6%392
lbcsfunction3.5%390
lbcstype5.1%562
lbcscharacter7.8%860
lbcsownership94.0%10,345
sourceurl<0.1%0

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 2026-10-10 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 gislink gislink2 calc_acre last_edi_1 geom id county_id parcel_typ last_updat created_us created_da last_edite cama_deeda cama_calca display_ac group_lett parcelwp inst_num note globalid parcelid parcelid2 taxacres 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 99.3% elevmin 99.3% elevmax 99.3% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.0% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 94.0% ownertype 94.0% ownername 94.0% parceladdr 94.0% parcelcity 100% parcelstate 100% parcelzip 94.0% lot 84.6% ownerlist 55.3% placefp 94.0% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsownership publish.parcel_layer columns not fed by these sources (61) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numbldgs, 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 zoningurl, lbcsactivity, lbcsfunction, lbcstype, lbcscharacter, sourceurl PARCEL 6 mapped · 3 transformed · 49 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL gislink gislink2 calc_acre last_edi_1 geom id county_id parcel_typ last_updat created_us created_da last_edite cama_deeda cama_calca display_ac group_lett parcelwp inst_num note globalid parcelid NULLIF(TRIM(regexp_replace(gislink, '[[:space:]]+', '', 'g')), … parcelid2 NULLIF(TRIM(gislink2), '')::text taxacres updated geom extras json_build_object( 'id', id::text, 'county_id', county_id::text… not present in source — filled with NULL (49) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, taxdistrict parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Unicoi County:

Frequently asked questions

Where can I find Unicoi County, TN parcel and GIS data?

Land Records publishes a Unicoi County, TN 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 Unicoi County, TN dataset as a GeoPackage or CSV.

How many parcels are in Unicoi County, TN?

The current dataset contains 11,001 parcel records for Unicoi County, TN, each with its boundary geometry and assessor attributes.

What is the FIPS code for Unicoi County, TN?

The FIPS code for Unicoi County, TN is 47171.

What information does each Unicoi County, TN parcel record include?

Each Unicoi County, TN 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 Unicoi County, TN parcel data free?

You can preview Unicoi County, TN 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 Unicoi County, TN have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated