Monmouth County, NJ parcel and infrastructure data API

Parcel coverage in Monmouth County

About 260,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from March 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:

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

Infrastructure in and around Monmouth County

Example requests for Monmouth 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 818 TINTON AVENUE, COLTS NECK TOWNSHIP, NJ 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=818 TINTON AVENUE, COLTS NECK TOWNSHIP, NJ' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "818 TINTON AVENUE, COLTS NECK TOWNSHIP, NJ"},
    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": "34025-01192747536c4ae8cab6",
      "address": "818 TINTON AVENUE",
      "city": "COLTS NECK TOWNSHIP",
      "postcode": "07722",
      "county": "MONMOUTH",
      "statefp": "34",
      "longitude": -74.10490382632568,
      "latitude": 40.30614795000026,
      "match_type": "exact",
      "parcelid": "1349_68.02_19",
      "parceladdr": "818 TINTON AVENUE",
      "parcelcity": "COLTS NECK TOWNSHIP",
      "situs_zip": "07722",
      "usedesc": "040",
      "land_use_code": "15D",
      "yearbuilt": 1963,
      "bldgsqft": 14953,
      "taxacres": 4.17,
      "totalvalue": 2308300,
      "land_value_usd": 566800,
      "improvement_value_usd": 1741500,
      "saledate": "1995-06-06",
      "saleamt": 24000,
      "updated": "2026-03-06",
      "geoid": "34025"
    }
  ],
  "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, 34025-01192747536c4ae8cab6, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-74.104904' \
  --data-urlencode 'latitude=40.306148' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-74.104904", "latitude": "40.306148", "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=-74.104904' \
  --data-urlencode 'latitude=40.306148' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-74.104904", "latitude": "40.306148"},
    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": -74.104904,
  "latitude": 40.306148,
  "matches": {
    "water": [
      {
        "feature_id": "water:33946",
        "name": "NJ AMERICAN WATER - COASTAL NORTH",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:1255",
        "name": "Two Rivers Water Reclamation Authority (WRA) - CS/STP",
        "boundary_basis": "Sourced"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:744",
      "name": "Long Branch City SA - CS/STP",
      "distance_km": 10.155622070977595
    },
    {
      "feature_id": "treatment:725",
      "name": "Two Rivers Water Reclamation Authority (WRA) - CS/STP",
      "distance_km": 10.186529917827823
    }
  ]
}

Monmouth County data questions

How many parcels in Monmouth County include year built?

About 240,000 of about 260,000 parcel records (91%) include year built.

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

Monmouth 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 Monmouth County?

Korzy tracks 3 data-center projects in Monmouth County: 1 operating, 1 proposed and 1 status not reported. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Monmouth County?

About 25 operable power plants in Monmouth County total about 110 MW of nameplate capacity, mainly solar, battery and pumped storage and natural gas.

Which water systems serve Monmouth County?

Service areas of about 50 community water systems cover about 62% of Monmouth County, and sewer service areas cover about 41%. /api/utilities/context returns the water and sewer matches at a point.

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