Niagara County, NY parcel and infrastructure data API

Korzy has about 86,000 parcel records for Niagara County, New York, with source updates through June 2026. Nearly every record carries values, last sale, land use and year built; 77% include building size. In and around the county the API also maps about 20 power plants with about 3,100 MW of capacity, led by hydro; about 20 data-center projects (4 operating); and about 110 miles of active rail. Look up any parcel by address or coordinates, then check nearby data-center projects, utilities and grid context at the same point.

Parcel coverage in Niagara County

About 86,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from June 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:

FieldCoverageShare
Situs addressNearly all · 99%
Owner nameNot published
Assessed or market valueNearly all · 99%
Year builtNearly all · 99%
Building sizeMost · 77%
Last saleNearly all · 99%
Land useNearly all · 99%
ZoningNot published

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

Infrastructure in and around Niagara County

Power plants

About 20 operable plants with about 3,100 MW of nameplate capacity; largest by capacity: hydro, battery and pumped storage, natural gas. Proposed generators add about 190 MW.

Plant details: /api/power/plants/{plant_id}

Substations and transmission

About 130 in-service substations, 6 rated 230 kV or higher.

About 510 miles of transmission lines: about 10 mi at under 100 kV; about 340 mi at 100–161 kV; about 50 mi at 220–287 kV; about 95 mi at 345 kV.

Water and sewer service

Service areas of about 25 community water systems cover about 92% of the county.

Sewer service areas of about 15 systems cover about 31%.

At a point: /api/utilities/context

Data-center projects

About 20 tracked projects: 4 operating, 2 proposed, 15 status not reported. Reported operating capacity: about 280 MW. Reported planned capacity: about 880 MW.

Within 10 km of a point: /api/datacenters/context

Grid capacity data

10 utility-published grid capacity layers cover parts of Niagara County, including load headroom, substation and feeder ratings, substation inventory, planned grid projects, grid needs.

Sources and dates: /api/grid/capacity/summary

Flood zones and wetlands

Special flood hazard areas cover about 8% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 12%.

Rail, ports and freight

  • About 110 miles of active rail, about 40 of it main line
  • 8 miles of national freight network highway

Within 25 km of a point: /api/logistics/context

Example requests for Niagara 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 2450 BUFFALO AVE, NIAGARA FALLS, NY 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=2450 BUFFALO AVE, NIAGARA FALLS, NY' \
  https://api.korzy.co/api/search
Python
import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "2450 BUFFALO AVE, NIAGARA FALLS, NY"},
    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"])
Response (trimmed)
{
  "results": [
    {
      "korzy_id": "36063-9fe26318125afa6949cc",
      "address": "2450 BUFFALO AVE NIAGARA FALLS",
      "city": "NIAGARA FALLS",
      "postcode": "14303",
      "county": "Niagara",
      "statefp": "36",
      "longitude": -79.03090844703125,
      "latitude": 43.08198310048707,
      "match_type": "exact",
      "parcelid": "104251",
      "parceladdr": "2450 BUFFALO AVE NIAGARA FALLS",
      "parcelcity": "NIAGARA FALLS",
      "situs_zip": "14303",
      "usedesc": "INDUSTRIAL",
      "yearbuilt": 0,
      "bldgsqft": 7093,
      "taxacres": 0.1699,
      "totalvalue": 225000,
      "saledate": "2001-09-10",
      "saleamt": 0,
      "updated": "2026-06-15",
      "geoid": "36063"
    }
  ],
  "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, 36063-9fe26318125afa6949cc, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-79.030908' \
  --data-urlencode 'latitude=43.081983' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point
JavaScript
const params = new URLSearchParams({"longitude": "-79.030908", "latitude": "43.081983", "limit": "5"});
const response = await fetch(`https://api.korzy.co/api/query/point?${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 nearby data-center projects

/api/datacenters/context lists data-center projects within 10 km of the point, nearest first. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-79.030908' \
  --data-urlencode 'latitude=43.081983' \
  --data-urlencode 'radius_km=10' \
  --data-urlencode 'limit=3' \
  https://api.korzy.co/api/datacenters/context
Python
import os
import requests

response = requests.get(
    "https://api.korzy.co/api/datacenters/context",
    params={"longitude": "-79.030908", "latitude": "43.081983", "radius_km": "10", "limit": "3"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
for project in response.json()["projects"]:
    print(project["name"], project["status"], project["distance_km"])
Response (trimmed)
{
  "projects": [
    {
      "project_id": "dc_9b6575c11931c4d86636",
      "name": "Unnamed data center",
      "operator": "US Bitcoin",
      "status": "unknown",
      "state": "NY",
      "longitude": -79.03070497421899,
      "latitude": 43.082083850000004,
      "location_precision": "footprint",
      "distance_km": 0.019940611156297024
    },
    {
      "project_id": "dc_af788313a89e017794ea",
      "name": "Blockfusion Niagra Falls",
      "status": "unknown",
      "city": "Niagara Falls",
      "state": "NY",
      "longitude": -79.00398200000001,
      "latitude": 43.083031500000004,
      "location_precision": "footprint",
      "distance_km": 2.1898643706673244
    },
    {
      "project_id": "dc_83fd9ebf1875dc06630d",
      "name": "Blockfusion Niagra Falls",
      "status": "unknown",
      "city": "Niagara Falls",
      "state": "NY",
      "longitude": -79.00390300526315,
      "latitude": 43.0831577,
      "location_precision": "footprint",
      "distance_km": 2.1970581085673433
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": true
}

Niagara County data questions

How many parcels in Niagara County include year built?
About 85,000 of about 86,000 parcel records (99%) include year built.
Does the Korzy API return owner names for Niagara County parcels?
Niagara 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 Niagara County?
Korzy tracks about 20 data-center projects in Niagara County: 15 status not reported, 4 operating and 2 proposed. /api/datacenters/context lists projects within 10 km of any point.
How much power generation is in Niagara County?
About 20 operable power plants in Niagara County total about 3,100 MW of nameplate capacity, mainly hydro, battery and pumped storage and natural gas.
Which water systems serve Niagara County?
Service areas of about 25 community water systems cover about 92% of Niagara County, and sewer service areas cover about 31%. /api/utilities/context returns the water and sewer matches at a point.

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Build on Niagara County parcel data

Search, point and record lookups work the same in every county Korzy covers. Credits are shared across parcels, utilities, environment, logistics and data-center routes.