Philadelphia County, PA parcel and infrastructure data API

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 /api/parcel-record. Share of records with each field:

Owner name and mailing address are returned with include_owner=true, which doubles a request's cost: a parcel record costs 2 credits instead of 1. 6% of Philadelphia County records carry an owner name.

Infrastructure in and around Philadelphia County

Example requests for Philadelphia 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 2601 N BROAD ST, PHILADELPHIA, 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=2601 N BROAD ST, PHILADELPHIA, PA' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "2601 N BROAD ST, PHILADELPHIA, 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"])

{
  "results": [
    {
      "korzy_id": "42101-cf3e5271b9f2377bc2a5",
      "address": "2601 N BROAD ST",
      "city": "PHILADELPHIA",
      "postcode": "19132",
      "statefp": "42",
      "longitude": -75.15441376888916,
      "latitude": 39.992375300000006,
      "match_type": "exact",
      "parcelid": "881070720",
      "parceladdr": "2601 N BROAD ST",
      "parcelcity": "PHILADELPHIA",
      "situs_zip": "19132",
      "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",
      "geoid": "42101"
    }
  ],
  "truncated": false
}

With include_owner=true (2 credits) the record adds owner fields, shown here as placeholders:

{
  "owner_name": "EXAMPLE HOLDINGS LLC",
  "owner_mailing_address": "100 EXAMPLE ST, SAMPLE CITY, ST 00000"
}

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, 42101-cf3e5271b9f2377bc2a5, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-75.154414' \
  --data-urlencode 'latitude=39.992375' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-75.154414", "latitude": "39.992375", "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 water and sewer service

/api/utilities/context returns the water and sewer service areas at the point and the nearest treatment plants. 1 credit.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-75.154414' \
  --data-urlencode 'latitude=39.992375' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-75.154414", "latitude": "39.992375"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
matches = response.json()["matches"]
print([area["name"] for area in matches["water"]])

{
  "longitude": -75.154414,
  "latitude": 39.992375,
  "matches": {
    "water": [
      {
        "feature_id": "water:32894",
        "name": "PHILADELPHIA WATER DEPARTMENT",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:14102",
        "name": "PHILADELPHIA WATER DEPT (SW)",
        "boundary_basis": "Modeled"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:11174",
      "name": "PHILADELPHIA WATER DEPT (NE)",
      "distance_km": 5.914232648307873
    },
    {
      "feature_id": "treatment:772",
      "name": "Camden County MUA - CS-CSO/WWTP",
      "distance_km": 8.057093416870142
    }
  ]
}

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. Add include_owner=true to a point, search or parcel-record request; it doubles the request's cost, so a single parcel record costs 2 credits.

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. /api/datacenters/context lists projects within 10 km of any 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%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• Montgomery County, PABorders Philadelphia County · about 310,000 parcels
• Allegheny County, PAabout 590,000 parcels
• Westmoreland County, PAabout 210,000 parcels
• Northampton County, PAabout 120,000 parcels
• York County, PAabout 180,000 parcels

All featured Pennsylvania counties