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Mason County, KY Parcels & GIS Data

Mason County, KY parcel data: 9,026 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Mason County, Kentucky parcel data covering 9,026 property records.

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

Mason County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 17,120. Its county seat is Maysville.

FIPS 21161

The FIPS code for Mason County is 21161.

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BrownLewisAdamsFlemingRobertsonBrackenMason
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Attribute coverage

Mason County contains 9,026 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%9,026
parcelid100%9,026
parcelid2<0.1%1
ogparcelid100%9,026
ogparcelid2<0.1%1
parentid<0.1%0
stackid<0.1%0
geoid100%9,026
statefp100%9,026
countyfp100%9,026
countyname100%9,026
cousubfp100%9,026
cousubname100%9,026
tractce100%9,026
tractname100%9,026
taxacctnum<0.1%0
taxyear100%9,025
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%9,025
numunits86.2%7,776
yearbuilt<0.1%0
numfloors0.1%11
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue86.2%7,776
landvalue86.2%7,776
agvalue86.2%7,776
totalvalue86.2%7,776
taxacres<0.1%1
calcarea100%9,026
saleamt<0.1%0
saledate<0.1%0
ownertype86.2%7,779
ownername86.2%7,779
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr71.9%6,491
parcelcity46.6%4,207
parcelstate100%9,026
parcelzip99.9%9,021
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
parceltype0.2%18
accesstype0.2%18
iucnclass0.1%6
placename5.4%487
placetype5.0%449
firmid100%9,023
firmdate100%9,023
fldzone100%9,023
zonesubty97.1%8,763
staticbfe<0.1%0
elevmin95.9%8,657
elevmax95.9%8,657
elevavg95.9%8,657
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
naicscode30.2%2,725
frsid0.4%39
dfrurl0.4%39
caapermit0.4%39
cwapermit0.4%39
rcrapermit0.4%39
updated100%9,025
centroidx100%9,026
centroidy100%9,026
surfpointx100%9,026
surfpointy100%9,026
geom100%9,026
extras100%9,026
lrversion100%9,026

Schema mapping

How source columns from the acquired Mason 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 — Mason County, Kentucky (21161) 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 apn taxacres parcelstate sourceurl geom 5 cols ⇢ parcelid parcelid2 taxacres parcelstate sourceurl 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 95.9% elevmin 95.9% elevmax 95.9% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.1% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% taxyear 100% numbldgs 86.2% numunits 86.2% imprvalue 86.2% landvalue 86.2% agvalue 86.2% totalvalue 86.2% ownertype 86.2% ownername 71.9% parceladdr 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear 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 lrversion publish.parcel_layer columns not fed by these sources (51) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningcode, 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 PARCEL 6 mapped · 5 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid apn taxacres parcelstate sourceurl geom parcelid parcelid2 taxacres parcelstate sourceurl geom extras · 5 source columns preserved as json gid, county_name, fips_code, vintage_id, geoid extras not present in source — filled with NULL (48) 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, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, taxdistrict, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Mason County:

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Attribute coverageSchema mappingNeighboring countiesRelated
Mason County, KY Parcels & GIS Data — Property Records & Maps | Land Records