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Philadelphia County, PA parcel and infrastructure data API

Korzy has about 580,000 parcel records for Philadelphia County, Pennsylvania, with source updates through November 2026. Nearly every record carries values, last sale, land use and building size; 92% include year built. In and around the county the API also maps 2 data-center projects (1 operating); about 15 power plants with about 560 MW of capacity, led by oil; and 2 ports with reported cargo. Look up any parcel by address or coordinates, then check water, sewer and infrastructure context at the same point.

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Parcel coverage in Philadelphia County

About 580,000 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 /v1/records/{id}. Share of records with each field:

FieldCoverageShare
Situs addressNearly all · 100%
Owner nameSome · 6%
Assessed or market valueNearly all · 99%
Year builtMost · 92%
Building sizeNearly all · 99%
Last saleNearly all · 99%
Land useNearly all · 99%
ZoningSome · 6%

Owner name and mailing address are returned by /v1/enrich with the owner group, at 2 credits per parcel instead of 1 credit. 6% of Philadelphia County records carry an owner name.

Infrastructure in and around Philadelphia County

Power plants

About 15 operable plants with about 560 MW of nameplate capacity; largest by capacity: oil, natural gas, battery and pumped storage.

Within 50 km: /v1/lookup section power; details: /v1/records/{id}

Substations and transmission

About 50 in-service substations, about 25 rated 230 kV or higher.

About 150 miles of transmission lines: about 35 mi at under 100 kV; about 25 mi at 100–161 kV; about 60 mi at 220–287 kV.

Water and sewer service

Service areas of 5 community water systems cover about 99% of the county.

Sewer service areas of 6 systems cover about 91%.

At an address or point: /v1/lookup section utilities

Data-center projects

2 tracked projects: 1 operating, 1 status not reported.

Within 10 km: /v1/lookup section datacenters

Flood zones and wetlands

Special flood hazard areas cover about 13% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 1%.

At an address or point: /v1/lookup section environment

Rail, ports and freight

  • About 200 miles of active rail, about 110 of it main line
  • About 45 miles of national freight network highway
  • 2 port areas with reported cargo tonnage
  • 1 intermodal rail terminal

Within 25 km: /v1/lookup section logistics

Example requests for Philadelphia County

The lookup response is a real production response, trimmed to the main fields. Every request needs an API key with api:read; see authentication and credits and limits.

1. Find a parcel and its water and sewer service

/v1/lookup matches 2601 N BROAD ST, PHILADELPHIA, PA and returns the parcel's korzy_id and record, plus the water and sewer service areas at the parcel and the nearest treatment plants. 2 credits.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"address":"2601 N BROAD ST, PHILADELPHIA, PA","sections":["utilities"]}' \
  https://api.korzy.co/v1/lookup
Python
import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "2601 N BROAD ST, PHILADELPHIA, PA", "sections": ["utilities"]},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=60,
)
response.raise_for_status()
body = response.json()
parcel = body["parcels"]["records"][0]
print(parcel["korzy_id"], body["sections"]["utilities"]["status"])
Production response (trimmed)
{
  "location": {
    "longitude": -75.15441376888916,
    "latitude": 39.992375300000006,
    "address": "2601 N BROAD ST, PHILADELPHIA",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "42101-cf3e5271b9f2377bc2a5",
        "korzy_id": "42101-cf3e5271b9f2377bc2a5",
        "parcelid": "881070720",
        "parceladdr": "2601 N BROAD ST",
        "parcelcity": "PHILADELPHIA",
        "situs_zip": "19132",
        "statefp": "42",
        "geoid": "42101",
        "longitude": -75.15441376888916,
        "latitude": 39.992375300000006,
        "usedesc": "COMMERCIAL",
        "land_use_code": "4",
        "zoning_code": "CMX3",
        "yearbuilt": 1929,
        "bldgsqft": 14069,
        "totalvalue": 597700,
        "market_value_usd": 597700,
        "saledate": "1996-08-07",
        "saleamt": 1,
        "updated": "2026-04-29"
      }
    ],
    "truncated": false
  },
  "sections": {
    "utilities": {
      "status": "ok",
      "data": {
        "water": [
          {
            "id": "utility:water:32894",
            "feature_id": "water:32894",
            "name": "PHILADELPHIA WATER DEPARTMENT",
            "boundary_basis": "System Sourced"
          }
        ],
        "sewer": [
          {
            "id": "utility:sewer:14102",
            "feature_id": "sewer:14102",
            "name": "PHILADELPHIA WATER DEPT (SW)",
            "boundary_basis": "Modeled"
          }
        ],
        "treatment_plants": [
          {
            "id": "utility:treatment:11174",
            "feature_id": "treatment:11174",
            "name": "PHILADELPHIA WATER DEPT (NE)",
            "distance_km": 5.914213556692724
          },
          {
            "id": "utility:treatment:772",
            "feature_id": "treatment:772",
            "name": "Camden County MUA - CS-CSO/WWTP",
            "distance_km": 8.057119884001743
          },
          {
            "id": "utility:treatment:779",
            "feature_id": "treatment:779",
            "name": "Palmyra Borough - CS/STP",
            "distance_km": 10.09761989328583
          }
        ],
        "truncated": {
          "water": false,
          "sewer": false
        }
      },
      "provenance": [
        {
          "dataset": "water",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        },
        {
          "dataset": "sewer",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        },
        {
          "dataset": "treatment",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        }
      ]
    }
  },
  "credits": {
    "charged": 2,
    "refunded": 0
  }
}

2. Add owner and sale fields

/v1/enrich returns the fields you choose for up to 25 parcels per request; here the parcel 42101-cf3e5271b9f2377bc2a5, with the owner group. 2 credits.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"items":[{"korzy_id":"42101-cf3e5271b9f2377bc2a5"}],"fields":["identity","sale","owner"]}' \
  https://api.korzy.co/v1/enrich

3. Fetch the record again by ID

/v1/records/{id} returns the stored parcel's full record, without owner fields. 1 credit.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  https://api.korzy.co/v1/records/42101-cf3e5271b9f2377bc2a5
JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("42101-cf3e5271b9f2377bc2a5")}`, {
  headers: { Authorization: `Bearer ${process.env.KORZY_API_KEY}` },
});
if (!response.ok) throw new Error(`Korzy API ${response.status}`);
const { record } = await response.json();
console.log(record.parceladdr, record.usedesc);

Philadelphia County data questions

How many parcels in Philadelphia County include year built?
About 530,000 of about 580,000 parcel records (92%) include year built.
Does the Korzy API return owner names for Philadelphia County parcels?
Yes. 6% of Philadelphia County parcel records carry an owner name. Ask /v1/enrich for the owner group; each parcel then costs 2 credits instead of 1 credit. Lookups and records never include owner fields.
How many data-center projects are in Philadelphia County?
Korzy tracks 2 data-center projects in Philadelphia County: 1 operating and 1 status not reported. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.
How much power generation is in Philadelphia County?
About 15 operable power plants in Philadelphia County total about 560 MW of nameplate capacity, mainly oil, natural gas and battery and pumped storage.
Which water systems serve Philadelphia County?
Service areas of 5 community water systems cover about 99% of Philadelphia County, and sewer service areas cover about 91%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

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Build on Philadelphia County parcel data

Lookups, enrichment and records work the same in every county Korzy covers. Credits are shared across parcels, utilities, environment, logistics, power, grid, data-center and terrain sections.

Get an API keySee pricingAPI referenceUse cases for parcel and infrastructure data