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.
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 /v1/records/{id}. Share of records with each field:
| Field | Coverage | Share |
|---|---|---|
| Situs address | Nearly all · 100% | |
| Owner name | Not published | |
| Assessed or market value | Nearly all · 98% | |
| Year built | Nearly all · 100% | |
| Building size | Nearly all · 100% | |
| Last sale | Not published | |
| Land use | Nearly all · 100% | |
| Zoning | Not 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.
Within 50 km: /v1/lookup section power; details: /v1/records/{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 an address or point: /v1/lookup section utilities
Data-center projects
7 tracked projects: 4 operating, 1 under construction, 2 status not reported.
Within 10 km: /v1/lookup section datacenters
Grid capacity data
6 utility-published grid capacity layers cover parts of Erie 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 6% of the county on the current federal flood maps, published October 2026.
Mapped wetlands cover about 8%.
At an address or point: /v1/lookup section environment
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: /v1/lookup section logistics
Example requests for Erie 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 437 DOAT, City of Buffalo, 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":"437 DOAT, City of Buffalo, NY","sections":["datacenters"]}' \
https://api.korzy.co/v1/lookupPython
import os
import requests
response = requests.post(
"https://api.korzy.co/v1/lookup",
json={"address": "437 DOAT, City of Buffalo, 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": -78.8048161662918,
"latitude": 42.90905445,
"address": "437 DOAT, City of Buffalo",
"match_type": "exact"
},
"parcels": {
"records": [
{
"id": "36029-e8375dac8722b42c9b0d",
"korzy_id": "36029-e8375dac8722b42c9b0d",
"parcelid": "1402001015800003004000",
"parceladdr": "437 DOAT",
"parcelcity": "City of Buffalo",
"situs_zip": "14211",
"statefp": "36",
"geoid": "36029",
"longitude": -78.8048161662918,
"latitude": 42.90905445,
"usedesc": "School",
"yearbuilt": 0,
"bldgsqft": 0,
"taxacres": 2.31241180977,
"totalvalue": 35000
}
],
"truncated": false
},
"sections": {
"datacenters": {
"status": "ok",
"data": {
"radius_km": 10,
"projects": [
{
"id": "datacenter:dc_ccc93631f202e2654ec2",
"project_id": "dc_ccc93631f202e2654ec2",
"name": "Empire AI Beta",
"operator": "Empire AI consortium (hosted by the University at Buffalo, SUNY)",
"status": "operating",
"state": "NY",
"city": "Buffalo",
"longitude": -78.8677,
"latitude": 42.8949,
"location_precision": "approximate",
"source_count": 1,
"source_date": "2026-09-10",
"mapped": true,
"distance_km": 5.358410267475126
},
{
"id": "datacenter:dc_b0f8aeb93051056d249d",
"project_id": "dc_b0f8aeb93051056d249d",
"name": "ColoCrossing BUF1, Buffalo",
"operator": "ColoCrossing",
"status": "operating",
"state": "NY",
"city": "Buffalo",
"address": "325 Delaware Avenue",
"longitude": -78.8752659,
"latitude": 42.8930043,
"location_precision": "approximate",
"operational_mw": 1.44,
"source_count": 1,
"source_date": "2026-09-14",
"mapped": true,
"distance_km": 6.009522948345192
},
{
"id": "datacenter:dc_7f9434d58d31c7e3e70f",
"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",
"state": "NY",
"city": "Buffalo",
"address": "350 Main Street",
"longitude": -78.875707,
"latitude": 42.88427,
"location_precision": "approximate",
"source_count": 1,
"source_date": "2026-10-09",
"mapped": true,
"distance_km": 6.398642062691654
}
],
"truncated": false,
"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 36029-e8375dac8722b42c9b0d. 1 credit.
curl --fail-with-body -sS \
-H "Authorization: Bearer $KORZY_API_KEY" \
-H "Content-Type: application/json" \
-d '{"items":[{"korzy_id":"36029-e8375dac8722b42c9b0d"}],"fields":["identity","value","sale"]}' \
https://api.korzy.co/v1/enrich3. 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 $KORZY_API_KEY" \
https://api.korzy.co/v1/records/36029-e8375dac8722b42c9b0dJavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("36029-e8375dac8722b42c9b0d")}`, {
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);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. A /v1/lookup with the datacenters section lists projects within 10 km of any address or 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%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.
More featured counties
- Niagara County, NYBorders Erie County · about 86,000 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
Build on Erie 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.