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

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.

Get an API key Read the API docs

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 /v1/records/{id}. Share of records with each field:

Field	Coverage	Share
Situs address	Nearly all · 99%
Owner name	Not published
Assessed or market value	Nearly all · 99%
Year built	Nearly all · 99%
Building size	Most · 77%
Last sale	Nearly all · 99%
Land use	Nearly all · 99%
Zoning	Not 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.

Within 50 km: /v1/lookup section power; details: /v1/records/{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 an address or point: /v1/lookup section utilities

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: /v1/lookup section datacenters

Grid capacity data

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

Nearby records: /v1/lookup section grid

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%.

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

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: /v1/lookup section logistics

Example requests for Niagara 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 nearby data-center projects

/v1/lookup matches 2450 BUFFALO AVE, NIAGARA FALLS, NY and returns the parcel's korzy_id and record, plus the data-center projects within 10 km, nearest first. 2 credits.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"address":"2450 BUFFALO AVE, NIAGARA FALLS, NY","sections":["datacenters"]}' \
  https://api.korzy.co/v1/lookup

Python

import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "2450 BUFFALO AVE, NIAGARA FALLS, NY", "sections": ["datacenters"]},
    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"]["datacenters"]["status"])

Production response (trimmed)

{
  "location": {
    "longitude": -79.03090844703125,
    "latitude": 43.08198310048707,
    "address": "2450 BUFFALO AVE NIAGARA FALLS, NIAGARA FALLS",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "36063-9fe26318125afa6949cc",
        "korzy_id": "36063-9fe26318125afa6949cc",
        "parcelid": "104251",
        "parceladdr": "2450 BUFFALO AVE NIAGARA FALLS",
        "parcelcity": "NIAGARA FALLS",
        "situs_zip": "14303",
        "statefp": "36",
        "geoid": "36063",
        "longitude": -79.03090844703125,
        "latitude": 43.08198310048707,
        "usedesc": "INDUSTRIAL",
        "yearbuilt": 0,
        "bldgsqft": 7093,
        "taxacres": 0.1699,
        "totalvalue": 225000,
        "saledate": "2001-09-10",
        "saleamt": 0,
        "updated": "2026-06-15"
      }
    ],
    "truncated": false
  },
  "sections": {
    "datacenters": {
      "status": "ok",
      "data": {
        "radius_km": 10,
        "projects": [
          {
            "id": "datacenter:dc_9b6575c11931c4d86636",
            "project_id": "dc_9b6575c11931c4d86636",
            "name": "Unnamed data center",
            "operator": "US Bitcoin",
            "status": "unknown",
            "state": "NY",
            "longitude": -79.03070497421899,
            "latitude": 43.082083850000004,
            "location_precision": "footprint",
            "source_count": 2,
            "source_date": "2026-02-09",
            "mapped": true,
            "distance_km": 0.019964369745275736
          },
          {
            "id": "datacenter:dc_af788313a89e017794ea",
            "project_id": "dc_af788313a89e017794ea",
            "name": "Blockfusion Niagra Falls",
            "status": "unknown",
            "state": "NY",
            "city": "Niagara Falls",
            "address": "5380 Frontier Avenue",
            "longitude": -79.00398200000001,
            "latitude": 43.083031500000004,
            "location_precision": "footprint",
            "source_count": 1,
            "source_date": "2026-04-20T22:43:02Z",
            "mapped": true,
            "distance_km": 2.1899000275790605
          },
          {
            "id": "datacenter:dc_83fd9ebf1875dc06630d",
            "project_id": "dc_83fd9ebf1875dc06630d",
            "name": "Blockfusion Niagra Falls",
            "status": "unknown",
            "state": "NY",
            "city": "Niagara Falls",
            "address": "5380 Frontier Avenue",
            "longitude": -79.00390300526315,
            "latitude": 43.0831577,
            "location_precision": "footprint",
            "source_count": 1,
            "source_date": "2026-04-20T22:43:02Z",
            "mapped": true,
            "distance_km": 2.197093683289398
          }
        ],
        "truncated": true,
        "note": "Straight-line distance to the reported project point; inspect location_precision. Projects merge supported source matches, not every nearby building. Approximate locations do not identify a parcel. Reported IT load, facility power, planned capacity and estimates remain separate source claims. No record or unknown status does not establish absence or inactivity."
      },
      "provenance": [
        {
          "dataset": "datacenters",
          "as_of": "2026-11-02",
          "data_version": "20261102T123021962884Z"
        }
      ]
    }
  },
  "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 36063-9fe26318125afa6949cc. 1 credit.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"items":[{"korzy_id":"36063-9fe26318125afa6949cc"}],"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/36063-9fe26318125afa6949cc

JavaScript

const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("36063-9fe26318125afa6949cc")}`, {
  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);

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

More featured counties

Erie County, NYBorders Niagara County · about 360,000 parcels
New York County, NYabout 180,000 parcels
Suffolk County, NYabout 590,000 parcels
Rockland County, NYabout 93,000 parcels
Westchester County, NYabout 250,000 parcels

All featured New York counties

Build on Niagara 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 key See pricing API reference Use cases for parcel and infrastructure data