How many parcels in Allegheny County include year built?

About 450,000 of about 590,000 parcel records (76%) include year built.

Does the Korzy API return owner names for Allegheny County parcels?

Allegheny County parcel records do not include owner names. Values, land use and building facts are returned where the county publishes them.

How many data-center projects are in Allegheny County?

Korzy tracks 7 data-center projects in Allegheny County: 4 operating, 1 permitted and 1 proposed. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Allegheny County?

9 operable power plants in Allegheny County total about 1,100 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.

Which water systems serve Allegheny County?

Service areas of about 45 community water systems cover about 87% of Allegheny County, and sewer service areas cover about 89%. /api/utilities/context returns the water and sewer matches at a point.

Allegheny County, PA parcel and infrastructure data API

Korzy has about 590,000 parcel records for Allegheny County, Pennsylvania, with source updates through November 2026. Nearly every record carries values, last sale and land use; 76% include year built and 76% include building size. In and around the county the API also maps about 650 miles of active rail; 7 data-center projects (4 operating); and 9 power plants with about 1,100 MW of capacity, led by natural gas. Look up any parcel by address or coordinates, then check nearby data-center projects, utilities and grid context at the same point.

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Parcel coverage in Allegheny County

About 590,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from November 2026. Each record has a stable korzy_id you can store and look up again with /api/parcel-record. Share of records with each field:

Field	Coverage	Share
Situs address	Nearly all · 100%
Owner name	Not published
Assessed or market value	Nearly all · 98%
Year built	Most · 76%
Building size	Most · 76%
Last sale	Nearly all · 97%
Land use	Nearly all · 99%
Zoning	Not published

Allegheny County records do not include owner names. See pricing for credit costs.

Infrastructure in and around Allegheny County

Power plants

9 operable plants with about 1,100 MW of nameplate capacity; largest by capacity: natural gas, battery and pumped storage, other fuels. Proposed generators add about 70 MW.

Plant details: /api/power/plants/{plant_id}

Substations and transmission

About 120 in-service substations, 5 rated 230 kV or higher.

About 650 miles of transmission lines: about 540 mi at 100–161 kV; about 60 mi at 345 kV.

Water and sewer service

Service areas of about 45 community water systems cover about 87% of the county.

Sewer service areas of about 50 systems cover about 89%.

At a point: /api/utilities/context

Data-center projects

7 tracked projects: 4 operating, 1 permitted, 1 proposed, 1 status not reported. Reported operating capacity: about 15 MW. Reported planned capacity: about 200 MW.

Within 10 km of a point: /api/datacenters/context

Flood zones and wetlands

Special flood hazard areas cover about 5% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 1%.

Rail, ports and freight

About 650 miles of active rail, about 330 of it main line
About 110 miles of national freight network highway
1 port area with reported cargo tonnage
2 intermodal rail terminals

Within 25 km of a point: /api/logistics/context

Example requests for Allegheny County

Real responses from the production API, trimmed to the main fields. Every request needs an API key with api:read; see authentication and credits and limits.

1. Find a parcel by address

/api/search matches 3058 BRERETON ST, PITTSBURGH, PA and returns the parcel's korzy_id, coordinates and record. 1 credit.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'q=3058 BRERETON ST, PITTSBURGH, PA' \
  https://api.korzy.co/api/search

Python

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "3058 BRERETON ST, PITTSBURGH, PA"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
parcel = response.json()["results"][0]
print(parcel["korzy_id"], parcel["longitude"], parcel["latitude"])

Response (trimmed)

{
  "results": [
    {
      "korzy_id": "42003-705eef198b4db4962a40",
      "address": "3058 BRERETON ST",
      "city": "PITTSBURGH",
      "postcode": "15219",
      "county": "Allegheny",
      "statefp": "42",
      "longitude": -79.96789624751156,
      "latitude": 40.4564017,
      "match_type": "exact",
      "parcelid": "0025M00183000001",
      "parceladdr": "3058 BRERETON ST",
      "parcelcity": "PITTSBURGH",
      "situs_zip": "15219",
      "usedesc": "CHURCHES, PUBLIC WORSHIP",
      "land_use_code": "685",
      "yearbuilt": 1900,
      "bldgsqft": 5172,
      "taxacres": 0.6662764003673095,
      "totalvalue": 138220,
      "land_value_usd": 34000,
      "improvement_value_usd": 150300,
      "market_value_usd": 184300,
      "saledate": "1919-07-26",
      "saleamt": 0,
      "updated": "2026-11-01",
      "geoid": "42003"
    }
  ],
  "truncated": false
}

2. Look up the parcel at a point

/api/query/point returns every parcel whose boundary covers the coordinates; here it returns the same record, 42003-705eef198b4db4962a40, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-79.967896' \
  --data-urlencode 'latitude=40.456402' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

JavaScript

const params = new URLSearchParams({"longitude": "-79.967896", "latitude": "40.456402", "limit": "5"});
const response = await fetch(`https://api.korzy.co/api/query/point?${params}`, {
  headers: { Authorization: `Bearer ${process.env.KORZY_API_KEY}` },
});
if (!response.ok) throw new Error(`Korzy API ${response.status}`);
const { records } = await response.json();
console.log(records.map((record) => record.korzy_id));

3. Check nearby data-center projects

/api/datacenters/context lists data-center projects within 10 km of the point, nearest first. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-79.967896' \
  --data-urlencode 'latitude=40.456402' \
  --data-urlencode 'radius_km=10' \
  --data-urlencode 'limit=3' \
  https://api.korzy.co/api/datacenters/context

Python

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/datacenters/context",
    params={"longitude": "-79.967896", "latitude": "40.456402", "radius_km": "10", "limit": "3"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
for project in response.json()["projects"]:
    print(project["name"], project["status"], project["distance_km"])

Response (trimmed)

{
  "projects": [
    {
      "project_id": "dc_27fa2f9c1c2067ad798d",
      "name": "DataBank PIT1 (Downtown Pittsburgh)",
      "operator": "DataBank",
      "status": "operating",
      "city": "Pittsburgh",
      "state": "PA",
      "longitude": -80.0086,
      "latitude": 40.4479,
      "location_precision": "approximate",
      "operational_mw": 1.9,
      "distance_km": 3.571508689274057
    },
    {
      "project_id": "dc_8752feb7a2431aa4e87a",
      "name": "Expedient PIT1 (Green Tree / Pittsburgh South)",
      "operator": "Expedient",
      "status": "operating",
      "city": "Pittsburgh",
      "state": "PA",
      "longitude": -80.04250428335553,
      "latitude": 40.42736825,
      "location_precision": "footprint",
      "operational_mw": 1.8,
      "distance_km": 7.091352232919151
    },
    {
      "project_id": "dc_2e25cbef685be101145e",
      "name": "Stowe Township Data Center (former railcar plant)",
      "operator": "SunCap Industries",
      "status": "proposed",
      "city": "Stowe Township",
      "state": "PA",
      "longitude": -80.064,
      "latitude": 40.469,
      "location_precision": "approximate",
      "distance_km": 8.250232119085869
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": true
}

Allegheny County data questions

How many parcels in Allegheny County include year built?: About 450,000 of about 590,000 parcel records (76%) include year built.
Does the Korzy API return owner names for Allegheny County parcels?: Allegheny County parcel records do not include owner names. Values, land use and building facts are returned where the county publishes them.
How many data-center projects are in Allegheny County?: Korzy tracks 7 data-center projects in Allegheny County: 4 operating, 1 permitted and 1 proposed. /api/datacenters/context lists projects within 10 km of any point.
How much power generation is in Allegheny County?: 9 operable power plants in Allegheny County total about 1,100 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.
Which water systems serve Allegheny County?: Service areas of about 45 community water systems cover about 87% of Allegheny County, and sewer service areas cover about 89%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

Westmoreland County, PABorders Allegheny County · about 210,000 parcels
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Philadelphia County, PAabout 580,000 parcels
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York County, PAabout 180,000 parcels

All featured Pennsylvania counties

Build on Allegheny County parcel data

Search, point and record lookups work the same in every county Korzy covers. Credits are shared across parcels, utilities, environment, logistics and data-center routes.

Get an API key See pricing API reference Use cases for parcel and infrastructure data