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Allegheny County, PA Parcels & GIS Data

Allegheny County, PA parcel data: 592,749 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Allegheny County, Pennsylvania parcel data covering 592,749 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 most populous city is Pittsburgh, Pennsylvania's second most populous city. The county is part of the Greater Pittsburgh region of the commonwealth, and is the center of the Pittsburgh media market.

FIPS 42003

The FIPS code for Allegheny County is 42003.

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Attribute coverage

Allegheny County contains 592,749 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%592,749
parcelid100%592,743
parcelid299.0%586,998
ogparcelid100%592,749
ogparcelid2100%592,715
parentid<0.1%0
stackid<0.1%0
geoid100%592,749
statefp100%592,749
countyfp100%592,749
countyname100%592,749
cousubfp100%592,749
cousubname100%592,749
tractce100%592,749
tractname100%592,749
taxacctnum4.7%27,892
taxyear<0.1%123
taxdistrict99.7%590,856
usecode98.6%584,391
usedesc99.7%590,941
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs<0.1%124
numunits<0.1%79
yearbuilt75.8%449,256
numfloors75.8%449,148
bldgsqft75.8%449,236
bedrooms75.8%449,040
halfbaths34.5%204,239
fullbaths75.7%448,656
imprvalue81.0%480,287
landvalue94.0%557,405
agvalue<0.1%4
totalvalue97.5%577,982
taxacres100%592,719
calcarea100%592,749
saleamt86.6%513,055
saledate<0.1%83
ownertype98.6%584,391
ownername<0.1%93
owneraddr96.6%572,596
ownercity96.6%572,575
ownerstate<0.1%93
ownerzip<0.1%93
parceladdr100%592,694
parcelcity100%592,606
parcelstate100%592,749
parcelzip100%592,749
legaldesc100%592,691
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book92.0%545,570
page92.0%545,328
block98.9%586,314
lot<0.1%0
parceltype1.3%7,990
accesstype1.3%7,990
iucnclass0.3%1,773
placename4.6%27,070
placetype4.5%26,668
firmid100%592,749
firmdate100%592,749
fldzone100%592,749
zonesubty98.5%584,021
staticbfe<0.1%172
elevmin94.9%562,516
elevmax94.9%562,516
elevavg94.9%562,516
fireplaces23.8%141,258
heating75.7%448,952
heatfuel75.7%448,952
cooling75.7%448,952
foundation75.8%449,049
roofcover75.6%448,383
siding75.8%449,135
bldgtype<0.1%0
naicscode4.6%27,073
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%592,745
centroidx100%592,749
centroidy100%592,749
surfpointx100%592,749
surfpointy100%592,749
geom100%592,749
extras100%592,749
ownerlist<0.1%92
placefp73.3%434,637
zoningurl<0.1%4

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) 1 entity · most recent acquisition per entity · generated 2026-08-15 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 mapblocklo pseudono notes calcacreag comments geom municode 1 cols ⇢ parcelid parcelid2 taxacctnum usedesc taxacres legaldesc geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.0% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 94.9% elevmin 94.9% elevmax 94.9% 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% usecode 75.8% yearbuilt 75.8% numfloors 75.8% bldgsqft 75.8% bedrooms 75.7% fullbaths 81.0% imprvalue 94.0% landvalue 97.5% totalvalue 86.6% saleamt 98.6% ownertype 96.6% owneraddr 96.6% ownercity 100% parceladdr 100% parcelcity 100% parcelstate 100% parcelzip 92.0% book 92.0% page 98.9% block 75.7% heating 75.7% heatfuel 75.7% cooling 75.8% foundation 75.6% roofcover 75.8% siding 73.3% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc yearbuilt numfloors bldgsqft bedrooms fullbaths imprvalue landvalue totalvalue taxacres calcarea saleamt ownertype owneraddr ownercity parceladdr parcelcity parcelstate parcelzip legaldesc 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 publish.parcel_layer columns not fed by these sources (33) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, numbldgs, numunits, halfbaths, agvalue, saledate, ownername, ownerstate, ownerzip, township, section qtrsection, range, plssdesc, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, ownerlist, zoningurl PARCEL 8 mapped · 1 kept in extras · 46 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin mapblocklo pseudono notes calcacreag comments geom municode parcelid parcelid2 taxacctnum usedesc taxacres legaldesc geom taxdistrict extras · 1 source columns preserved as json globalid extras not present in source — filled with NULL (46) taxyear, usecode, 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, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, parentid, fireplaces, heating, cooling foundation, roofcover, siding, heatfuel

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 592,749 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated