Northampton County, PA parcel and infrastructure data API

Parcel coverage in Northampton County

About 120,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from October 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. 96% of Northampton County records carry an owner name.

Infrastructure in and around Northampton County

Example requests for Northampton 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 2500 LIBERTY DR, NORTHAMPTON, 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=2500 LIBERTY DR, NORTHAMPTON, PA' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "2500 LIBERTY DR, NORTHAMPTON, 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": "42095-2ff950d60c16c9b71a62",
      "address": "2500 LIBERTY DR",
      "city": "NORTHAMPTON",
      "postcode": "18067",
      "county": "NORTHAMPTON",
      "statefp": "42",
      "longitude": -75.48038073443087,
      "latitude": 40.70103675,
      "match_type": "exact",
      "parcelid": "L4 9 8 2 0501",
      "parceladdr": "2500 LIBERTY DR",
      "parcelcity": "NORTHAMPTON",
      "situs_zip": "18067",
      "land_use_code": "700",
      "taxacres": 85.2,
      "totalvalue": 146712200,
      "land_value_usd": 4073600,
      "improvement_value_usd": 142638600,
      "assessed_value_usd": 26701600,
      "saledate": "2018-04-09",
      "saleamt": 1,
      "updated": "2026-10-30",
      "geoid": "42095"
    }
  ],
  "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, 42095-2ff950d60c16c9b71a62, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-75.480381' \
  --data-urlencode 'latitude=40.701037' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-75.480381", "latitude": "40.701037", "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=-75.480381' \
  --data-urlencode 'latitude=40.701037' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-75.480381", "latitude": "40.701037"},
    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": -75.480381,
  "latitude": 40.701037,
  "matches": {
    "water": [],
    "sewer": []
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:11190",
      "name": "NORTHAMPTON BORO STP",
      "distance_km": 2.1449672734636787
    },
    {
      "feature_id": "treatment:11211",
      "name": "CLARKS SUMMIT / S ABINGTON STP",
      "distance_km": 5.271221321256758
    }
  ]
}

Northampton County data questions

How many parcels in Northampton County include year built?

About 100,000 of about 120,000 parcel records (83%) include year built.

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

Yes. 96% of Northampton 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 Northampton County?

Korzy tracks 2 data-center projects in Northampton County: 1 permitted and 1 proposed. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Northampton County?

9 operable power plants in Northampton County total about 3,900 MW of nameplate capacity, mainly natural gas, battery and pumped storage and oil.

Which water systems serve Northampton County?

Service areas of about 50 community water systems cover about 35% of Northampton County, and sewer service areas cover about 32%. /api/utilities/context returns the water and sewer matches at a point.

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