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Allegheny County, PA Parcels & GIS Data

Allegheny County, PA parcel data: 589,071 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Allegheny County, Pennsylvania parcel data covering 589,071 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 589,071 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%589,071
parcelid100%589,051
parcelid298.5%580,183
ogparcelid100%589,057
ogparcelid298.6%580,626
parentid<0.1%0
stackid<0.1%0
geoid100%589,071
statefp100%589,071
countyfp100%589,071
countyname100%589,071
cousubfp100%589,071
cousubname100%589,071
tractce100%589,071
tractname100%589,071
taxacctnum3.9%22,731
taxyear<0.1%0
taxdistrict92.7%545,980
usecode92.0%542,062
usedesc92.7%546,207
zoningcode65.1%383,339
zoningdesc56.0%330,115
numbldgs92.8%546,951
numunits76.9%453,044
yearbuilt71.1%418,827
numfloors71.4%420,462
bldgsqft71.1%418,812
bedrooms71.1%418,717
halfbaths31.6%186,254
fullbaths71.0%418,360
imprvalue75.7%445,951
landvalue87.8%517,134
agvalue<0.1%0
totalvalue91.1%536,823
taxacres99.7%587,316
calcarea100%589,071
saleamt80.8%476,090
saledate<0.1%0
ownertype92.0%542,062
ownername<0.1%0
owneraddr90.1%530,771
ownercity90.1%530,746
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr92.8%546,924
parcelcity92.8%546,868
parcelstate100%589,071
parcelzip100%589,071
legaldesc1.8%10,677
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book86.0%506,372
page85.9%506,160
block92.4%544,022
lot<0.1%0
parceltype1.3%7,916
accesstype1.3%7,916
iucnclass0.3%1,763
placename4.5%26,663
placetype4.5%26,338
firmid100%589,071
firmdate100%589,071
fldzone100%589,071
zonesubty98.5%580,443
staticbfe<0.1%155
elevmin94.9%558,970
elevmax94.9%558,970
elevavg94.9%558,970
fireplaces22.3%131,241
heating71.1%418,644
heatfuel71.1%418,644
cooling71.1%418,644
foundation71.1%418,727
roofcover71.0%418,148
siding71.1%418,806
bldgtype<0.1%0
naicscode4.4%25,976
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%589,065
centroidx100%589,071
centroidy100%589,071
surfpointx100%589,071
surfpointy100%589,071
geom100%589,071
extras100%589,071
ownerlist<0.1%0
placefp73.3%431,558
zoningurl57.4%338,413
lbcsactivity56.4%332,482
lbcsfunction56.3%331,901
lbcstype62.1%365,984
lbcscharacter89.7%528,499
lbcsownership1.9%10,915
sourceurl92.0%542,062

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 2026-10-10 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 pin pseudono calcacreag geom 5 cols ⇢ parcelid parcelid2 taxacres geom extras ZONING geom zone grid_code type url objectid_1 fid_1 area sqft acres sqmi sum_score point_count join_count target_fid join_count_1 target_fid_1 status score match_type match_addr longlabel shortlabel addr_type type_1 placename place_addr phone url_1 geom zoningcode zoningtype sourceurl 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 92.7% taxdistrict 92.0% usecode 92.7% usedesc 56.0% zoningdesc 92.8% numbldgs 76.9% numunits 71.1% yearbuilt 71.4% numfloors 71.1% bldgsqft 71.1% bedrooms 71.0% fullbaths 75.7% imprvalue 87.8% landvalue 91.1% totalvalue 80.8% saleamt 92.0% ownertype 90.1% owneraddr 90.1% ownercity 92.8% parceladdr 92.8% parcelcity 100% parcelstate 100% parcelzip 86.0% book 85.9% page 92.4% block 71.1% heating 71.1% heatfuel 71.1% cooling 71.1% foundation 71.0% roofcover 71.1% siding 73.3% placefp 57.4% zoningurl 56.4% lbcsactivity 56.3% lbcsfunction 62.1% lbcstype 89.7% lbcscharacter 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 4 mapped · 2 transformed · 5 kept in extras · 50 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin pseudono calcacreag geom parcelid NULLIF(TRIM(pin), '')::text parcelid2 NULLIF(TRIM(pseudono), '')::text taxacres geom extras · 5 source columns preserved as json globalid, mapblocklo, municode, notes, comments extras not present in source — filled with NULL (50) 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, updated, sourceurl taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 5 mapped · 4 transformed · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zone grid_code type url objectid_1 fid_1 area sqft acres sqmi sum_score point_count join_count target_fid join_count_1 target_fid_1 status score match_type match_addr longlabel shortlabel addr_type type_1 placename place_addr phone url_1 geom zoningcode COALESCE(NULLIF(zone::text, ''), grid_code::text)::text zoningtype NULLIF(type::text, '')::text sourceurl NULLIF(url::text, '')::text extras json_build_object( 'objectid_1', objectid_1::text, 'fid_1', fid… not present in source — filled with NULL (5) zoningdesc, ordinance, setbacks, restrictions, notes

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 589,071 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