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Monmouth County, NJ parcel and infrastructure data API

Korzy has about 260,000 parcel records for Monmouth County, New Jersey, with source updates through March 2026. Nearly every record carries values, last sale and land use; 91% include year built and 80% include building size. In and around the county the API also maps 3 data-center projects (1 operating); 2 ports with reported cargo; and about 25 power plants with about 110 MW of capacity, led by solar. 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 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 /v1/records/{id}. Share of records with each field:

FieldCoverageShare
Situs addressNearly all · 99%
Owner nameNot published
Assessed or market valueNearly all · 99%
Year builtMost · 91%
Building sizeMost · 80%
Last saleNearly all · 99%
Land useNearly all · 98%
ZoningNot published

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

Infrastructure in and around Monmouth County

Power plants

About 25 operable plants with about 110 MW of nameplate capacity; largest by capacity: solar, battery and pumped storage, natural gas.

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

Substations and transmission

About 15 in-service substations, about 10 rated 230 kV or higher.

About 170 miles of transmission lines: about 140 mi at 220–287 kV; 8 mi at 500 kV.

Water and sewer service

Service areas of about 50 community water systems cover about 62% of the county.

Sewer service areas of about 15 systems cover about 41%.

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

Data-center projects

3 tracked projects: 1 operating, 1 proposed, 1 status not reported. Reported operating capacity: about 10 MW. Reported planned capacity: about 50 MW.

Within 10 km: /v1/lookup section datacenters

Grid capacity data

1 utility-published grid capacity layer cover parts of Monmouth County, including capacity bands.

Nearby records: /v1/lookup section grid

Flood zones and wetlands

Special flood hazard areas cover about 11% of the county on the current federal flood maps, published September 2026.

Mapped wetlands cover about 13%.

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

Rail, ports and freight

  • About 130 miles of active rail, about 50 of it main line
  • About 15 miles of national freight network highway
  • 2 port areas with reported cargo tonnage

Within 25 km: /v1/lookup section logistics

Example requests for Monmouth 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 620 TINTON AVENUE, TINTON FALLS, NJ 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":"620 TINTON AVENUE, TINTON FALLS, NJ","sections":["utilities"]}' \
  https://api.korzy.co/v1/lookup
Python
import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "620 TINTON AVENUE, TINTON FALLS, NJ", "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": -74.0969620949471,
    "latitude": 40.299916600026734,
    "address": "620 TINTON AVENUE, TINTON FALLS",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "34025-b6107804d8e358797e22",
        "korzy_id": "34025-b6107804d8e358797e22",
        "parcelid": "1349_76.01_2",
        "parceladdr": "620 TINTON AVENUE",
        "parcelcity": "TINTON FALLS",
        "situs_zip": "07724",
        "statefp": "34",
        "geoid": "34025",
        "longitude": -74.0969620949471,
        "latitude": 40.299916600026734,
        "usedesc": "000",
        "land_use_code": "4A",
        "yearbuilt": 1990,
        "bldgsqft": 23336,
        "taxacres": 2.27,
        "totalvalue": 3108700,
        "land_value_usd": 573200,
        "improvement_value_usd": 2535500,
        "saledate": "2000-05-25",
        "saleamt": 1,
        "updated": "2026-03-06"
      }
    ],
    "truncated": false
  },
  "sections": {
    "utilities": {
      "status": "ok",
      "data": {
        "water": [
          {
            "id": "utility:water:33946",
            "feature_id": "water:33946",
            "name": "NJ AMERICAN WATER - COASTAL NORTH",
            "boundary_basis": "System Sourced"
          }
        ],
        "sewer": [
          {
            "id": "utility:sewer:1255",
            "feature_id": "sewer:1255",
            "name": "Two Rivers Water Reclamation Authority (WRA) - CS/STP",
            "boundary_basis": "Sourced"
          }
        ],
        "treatment_plants": [
          {
            "id": "utility:treatment:748",
            "feature_id": "treatment:748",
            "name": "Ocean Township (Monmouth) SA - CS/STP",
            "distance_km": 9.269583287277698
          },
          {
            "id": "utility:treatment:744",
            "feature_id": "treatment:744",
            "name": "Long Branch City SA - CS/STP",
            "distance_km": 9.558735265108368
          },
          {
            "id": "utility:treatment:725",
            "feature_id": "treatment:725",
            "name": "Two Rivers Water Reclamation Authority (WRA) - CS/STP",
            "distance_km": 9.829817929234714
          }
        ],
        "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 value and sale fields

/v1/enrich returns the fields you choose for up to 25 parcels per request; here the parcel 34025-b6107804d8e358797e22. 1 credit.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"items":[{"korzy_id":"34025-b6107804d8e358797e22"}],"fields":["identity","value","sale"]}' \
  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 $KORZY_API_KEY" \
  https://api.korzy.co/v1/records/34025-b6107804d8e358797e22
JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("34025-b6107804d8e358797e22")}`, {
  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);

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. A /v1/lookup with the datacenters section lists projects within 10 km of any address or 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%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

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Build on Monmouth 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