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Erie County, NY parcel and infrastructure data API

Korzy has about 360,000 parcel records for Erie County, New York, with source updates through January 2025. Nearly every record carries values, land use, year built and building size. In and around the county the API also maps 7 data-center projects (4 operating and 1 under construction); about 360 miles of active rail; and about 30 power plants with about 210 MW of capacity, led by solar. Look up any parcel by address or coordinates, then check nearby data-center projects, utilities and grid context at the same point.

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Parcel coverage in Erie County

About 360,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from January 2025. 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 · 100%
Owner nameNot published
Assessed or market valueNearly all · 98%
Year builtNearly all · 100%
Building sizeNearly all · 100%
Last saleNot published
Land useNearly all · 100%
ZoningNot published

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

Infrastructure in and around Erie County

Power plants

About 30 operable plants with about 210 MW of nameplate capacity; largest by capacity: solar, natural gas, battery and pumped storage. Proposed generators add about 30 MW.

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

Substations and transmission

About 200 in-service substations, about 10 rated 230 kV or higher.

About 830 miles of transmission lines: about 65 mi at under 100 kV; about 530 mi at 100–161 kV; about 170 mi at 220–287 kV; about 25 mi at 345 kV.

Water and sewer service

Service areas of about 45 community water systems cover about 47% of the county.

Sewer service areas of about 25 systems cover about 34%.

At a point: /api/utilities/context

Data-center projects

7 tracked projects: 4 operating, 1 under construction, 2 status not reported.

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

Grid capacity data

10 utility-published grid capacity layers cover parts of Erie 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 6% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 8%.

Rail, ports and freight

  • About 360 miles of active rail, about 210 of it main line
  • About 90 miles of national freight network highway
  • 2 intermodal rail terminals

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

Example requests for Erie 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 437 DOAT, City of Buffalo, 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=437 DOAT, City of Buffalo, NY' \
  https://api.korzy.co/api/search
Python
import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "437 DOAT, City of Buffalo, 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": "36029-e8375dac8722b42c9b0d",
      "address": "437 DOAT",
      "city": "City of Buffalo",
      "postcode": "14211",
      "county": "Erie",
      "statefp": "36",
      "longitude": -78.8048161662918,
      "latitude": 42.90905445,
      "match_type": "exact",
      "parcelid": "1402001015800003004000",
      "parceladdr": "437 DOAT",
      "parcelcity": "City of Buffalo",
      "situs_zip": "14211",
      "usedesc": "School",
      "yearbuilt": 0,
      "bldgsqft": 0,
      "taxacres": 2.31241180977,
      "totalvalue": 35000,
      "geoid": "36029"
    }
  ],
  "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, 36029-e8375dac8722b42c9b0d, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-78.804816' \
  --data-urlencode 'latitude=42.909054' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point
JavaScript
const params = new URLSearchParams({"longitude": "-78.804816", "latitude": "42.909054", "limit": "5"});
const response = await fetch(`https://api.korzy.co/api/query/point?${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=-78.804816' \
  --data-urlencode 'latitude=42.909054' \
  --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": "-78.804816", "latitude": "42.909054", "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_ccc93631f202e2654ec2",
      "name": "Empire AI Beta",
      "operator": "Empire AI consortium (hosted by the University at Buffalo, SUNY)",
      "status": "operating",
      "city": "Buffalo",
      "state": "NY",
      "longitude": -78.8677,
      "latitude": 42.8949,
      "location_precision": "approximate",
      "distance_km": 5.358408535610666
    },
    {
      "project_id": "dc_b0f8aeb93051056d249d",
      "name": "ColoCrossing BUF1, Buffalo",
      "operator": "ColoCrossing",
      "status": "operating",
      "city": "Buffalo",
      "state": "NY",
      "longitude": -78.8752659,
      "latitude": 42.8930043,
      "location_precision": "approximate",
      "operational_mw": 1.44,
      "distance_km": 6.0095210424346766
    },
    {
      "project_id": "dc_7f9434d58d31c7e3e70f",
      "name": "H5 Data Centers Buffalo III (350 Main Street / Main Place Tower)",
      "operator": "H5 Data Centers (joint venture with Novacap)",
      "status": "operating",
      "city": "Buffalo",
      "state": "NY",
      "longitude": -78.875707,
      "latitude": 42.88427,
      "location_precision": "approximate",
      "distance_km": 6.398632755771749
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": true
}

Erie County data questions

How many parcels in Erie County include year built?
About 360,000 of about 360,000 parcel records (100%) include year built.
Does the Korzy API return owner names for Erie County parcels?
Erie 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 Erie County?
Korzy tracks 7 data-center projects in Erie County: 4 operating, 2 status not reported and 1 under construction. /api/datacenters/context lists projects within 10 km of any point.
How much power generation is in Erie County?
About 30 operable power plants in Erie County total about 210 MW of nameplate capacity, mainly solar, natural gas and battery and pumped storage.
Which water systems serve Erie County?
Service areas of about 45 community water systems cover about 47% of Erie County, and sewer service areas cover about 34%. /api/utilities/context returns the water and sewer matches at a point.

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Build on Erie 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.

Get an API keySee pricingAPI referenceUse cases for parcel and infrastructure data