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Allegheny County, PA Parcels & GIS Data

Allegheny County, PA parcel data: 592,698 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Allegheny County, Pennsylvania parcel data covering 592,698 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

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

The FIPS code for Allegheny County is 42003.

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Attribute coverage

Allegheny County contains 592,698 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%592,698
parcelid100%592,692
parcelid299.0%586,981
ogparcelid100%592,698
ogparcelid2100%592,698
parentid<0.1%0
stackid<0.1%0
geoid100%592,698
statefp100%592,698
countyfp100%592,698
countyname100%592,698
cousubfp100%592,698
cousubname100%592,698
tractce100%592,698
tractname100%592,698
taxacctnum4.7%27,813
taxyear<0.1%0
taxdistrict99.7%590,922
usecode98.6%584,367
usedesc99.7%590,922
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs<0.1%2
numunits<0.1%0
yearbuilt75.8%449,206
numfloors75.8%449,191
bldgsqft75.8%449,190
bedrooms75.8%449,083
halfbaths34.5%204,269
fullbaths75.7%448,699
imprvalue81.0%480,257
landvalue94.0%557,382
agvalue<0.1%0
totalvalue97.5%577,958
taxacres100%592,698
calcarea100%592,698
saleamt86.6%513,055
saledate<0.1%0
ownertype98.6%584,367
ownername<0.1%0
owneraddr96.6%572,575
ownercity96.6%572,549
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr100%592,643
parcelcity100%592,555
parcelstate100%592,698
parcelzip100%592,698
legaldesc100%592,675
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book92.0%545,547
page92.0%545,305
block98.9%586,385
lot<0.1%0
parceltype1.3%7,992
accesstype1.3%7,992
iucnclass0.3%1,774
placename4.6%27,067
placetype4.5%26,668
firmid100%592,698
firmdate100%592,698
fldzone100%592,698
zonesubty98.5%583,970
staticbfe<0.1%171
elevmin94.9%562,448
elevmax94.9%562,448
elevavg94.9%562,448
fireplaces23.8%141,287
heating75.8%448,995
heatfuel75.8%448,995
cooling75.8%448,995
foundation75.8%449,092
roofcover75.7%448,426
siding75.8%449,178
bldgtype<0.1%0
naicscode4.6%27,067
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%592,698
centroidx100%592,698
centroidy100%592,698
surfpointx100%592,698
surfpointy100%592,698
geom100%592,698
extras100%592,698
ownerlist<0.1%0
placefp73.3%434,567
zoningurl<0.1%0

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 2026-08-30 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 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 75.8% heating 75.8% heatfuel 75.8% cooling 75.8% foundation 75.7% roofcover 75.8% siding 73.3% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum 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 (34) — empty or below 50% fill in this county parentid, stackid, taxyear, 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 592,698 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