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Allegheny County, PA Parcels & GIS Data

Allegheny County, PA parcel data: 594,600 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Allegheny County, Pennsylvania parcel data covering 594,600 property records.

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

Allegheny County is a large urban county in Pennsylvania, United States. As of the 2025 census estimate, the population was 1,225,035, a 2% decrease of 25,543 residents since 2020, making it the state's second-most populous county, after Philadelphia County. Its county seat and largest city is Pittsburgh, Pennsylvania's second largest city. The county is part of the Greater Pittsburgh region of the commonwealth, and is the center of the Pittsburgh media market.

FIPS 42003

Official county website: https://www.alleghenycounty.us

The FIPS code for Allegheny County is 42003.

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Attribute coverage

Allegheny County contains 594,600 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%594,600
parcelid99.8%593,489
parcelid2100%594,381
ogparcelid99.9%594,110
ogparcelid2100%594,467
parentid<0.1%0
stackid<0.1%0
geoid100%594,600
statefp100%594,600
countyfp100%594,600
countyname100%594,600
cousubfp100%594,600
cousubname100%594,600
tractce100%594,600
tractname100%594,600
taxacctnum4.7%27,813
taxyear<0.1%0
taxdistrict98.6%586,395
usecode85.6%508,699
usedesc98.7%586,932
zoningcode68.0%404,242
zoningdesc59.0%350,782
numbldgs92.8%551,999
numunits71.7%426,478
yearbuilt66.5%395,164
numfloors66.8%396,939
bldgsqft66.5%395,150
bedrooms66.4%395,061
halfbaths29.6%176,164
fullbaths66.4%394,738
imprvalue70.6%419,504
landvalue81.7%485,602
agvalue<0.1%0
totalvalue84.7%503,884
taxacres99.9%594,237
calcarea100%594,600
saleamt75.2%446,937
saledate<0.1%0
ownertype85.6%508,699
ownername<0.1%0
owneraddr83.8%498,019
ownercity83.8%497,995
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr86.3%513,399
parcelcity86.3%513,347
parcelstate100%594,600
parcelzip100%594,600
legaldesc8.3%49,352
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book79.9%475,220
page79.9%475,034
block98.6%586,385
lot<0.1%0
parceltype1.4%8,067
accesstype1.4%8,067
iucnclass0.3%1,800
placename4.6%27,231
placetype4.5%26,908
firmid100%594,600
firmdate100%594,600
fldzone100%594,600
zonesubty98.5%585,670
staticbfe<0.1%161
elevmin94.8%563,821
elevmax94.8%563,821
elevavg94.8%563,821
fireplaces21.0%124,885
heating66.4%394,996
heatfuel66.4%394,996
cooling66.4%394,996
foundation66.4%395,070
roofcover66.4%394,544
siding66.5%395,145
bldgtype<0.1%0
naicscode4.4%25,928
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%594,597
centroidx100%594,600
centroidy100%594,600
surfpointx100%594,600
surfpointy100%594,600
geom100%594,600
extras100%594,600
ownerlist<0.1%0
placefp73.2%435,106
zoningurl57.9%344,236
lbcsactivity56.2%334,202
lbcsfunction56.1%333,793
lbcstype62.1%369,063
lbcscharacter86.3%512,993
lbcsownership1.8%10,910
sourceurl85.6%508,699

Schema mapping

How source columns from the acquired Allegheny 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 — Allegheny County, Pennsylvania (42003) 2 entities · most recent acquisition per entity · generated 2026-10-17 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 pin mapblocklot municode calcacreage modifiedon geom 7 cols ⇢ parcelid parcelid2 zoningcode taxacres updated geom extras ZONING class_code class geom zoningcode zoningdesc 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 94.8% elevmin 94.8% elevmax 94.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 98.5% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 98.6% taxdistrict 85.6% usecode 98.7% usedesc 92.8% numbldgs 71.7% numunits 66.5% yearbuilt 66.8% numfloors 66.5% bldgsqft 66.4% bedrooms 66.4% fullbaths 70.6% imprvalue 81.7% landvalue 84.7% totalvalue 75.2% saleamt 85.6% ownertype 83.8% owneraddr 83.8% ownercity 86.3% parceladdr 86.3% parcelcity 100% parcelstate 100% parcelzip 79.9% book 79.9% page 98.6% block 66.4% heating 66.4% heatfuel 66.4% cooling 66.4% foundation 66.4% roofcover 66.5% siding 73.2% placefp 57.9% zoningurl 56.2% lbcsactivity 56.1% lbcsfunction 62.1% lbcstype 86.3% lbcscharacter 85.6% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt numfloors bldgsqft bedrooms fullbaths imprvalue landvalue totalvalue taxacres calcarea saleamt ownertype owneraddr ownercity parceladdr parcelcity parcelstate parcelzip book page block firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg heating heatfuel cooling foundation roofcover siding updated centroidx centroidy surfpointx surfpointy geom extras placefp zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter sourceurl publish.parcel_layer columns not fed by these sources (32) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, halfbaths, agvalue, saledate, ownername, ownerstate, ownerzip, legaldesc, township, section, qtrsection range, plssdesc, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit, ownerlist, lbcsownership PARCEL 6 mapped · 7 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin mapblocklot municode calcacreage modifiedon geom parcelid parcelid2 zoningcode taxacres updated geom extras · 7 source columns preserved as json notes, pseudono, modifiedby, createdby, createdon, comments globalid extras not present in source — filled with NULL (48) taxacctnum, taxyear, usecode, usedesc, 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 ZONING 4 mapped · 1 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING class_code class geom zoningcode zoningdesc geom extras json_build_object()::jsonb not present in source — filled with NULL (6) zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Allegheny County:

Frequently asked questions

Where can I find Allegheny County, PA parcel and GIS data?

Land Records publishes a Allegheny County, PA 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 Allegheny County, PA dataset as a GeoPackage or CSV.

How many parcels are in Allegheny County, PA?

The current dataset contains 594,600 parcel records for Allegheny County, PA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Allegheny County, PA?

The FIPS code for Allegheny County, PA is 42003.

What information does each Allegheny County, PA parcel record include?

Each Allegheny County, PA 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 Allegheny County, PA parcel data free?

You can preview Allegheny County, PA 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 Allegheny County, PA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated