Cuyahoga County, OH parcel and infrastructure data API
Korzy has about 520,000 parcel records for Cuyahoga County, Ohio, with source updates through November 2026. Nearly every record carries values, last sale and land use; 80% include building size. In and around the county the API also maps 8 data-center projects (6 operating); about 310 miles of active rail; and 1 port with reported cargo. 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 Cuyahoga County
About 520,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from November 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 · 100% | |
| Owner name | Some · 7% | |
| Assessed or market value | Nearly all · 98% | |
| Year built | Not published | |
| Building size | Most · 80% | |
| Last sale | Nearly all · 99% | |
| Land use | Nearly all · 99% | |
| Zoning | Some · 1% |
Owner name and mailing address are returned by /v1/enrich with the owner group, at 2 credits per parcel instead of 1 credit. 7% of Cuyahoga County records carry an owner name.
Infrastructure in and around Cuyahoga County
Power plants
About 10 operable plants with about 170 MW of nameplate capacity; largest by capacity: other fuels, natural gas, oil.
Within 50 km: /v1/lookup section power; details: /v1/records/{id}
Substations and transmission
About 150 in-service substations, 5 rated 230 kV or higher.
About 520 miles of transmission lines: about 410 mi at 100–161 kV; about 110 mi at 345 kV.
Water and sewer service
Service areas of about 15 community water systems cover about 99% of the county.
Sewer service areas of about 20 systems cover about 91%.
At an address or point: /v1/lookup section utilities
Data-center projects
8 tracked projects: 6 operating, 2 status not reported. Reported planned capacity: about 150 MW.
Within 10 km: /v1/lookup section datacenters
Grid capacity data
2 utility-published grid capacity layers cover parts of Cuyahoga County, including load headroom.
Nearby records: /v1/lookup section grid
Flood zones and wetlands
Special flood hazard areas cover about 4% of the county on the current federal flood maps, published October 2026.
Mapped wetlands cover about 2%.
At an address or point: /v1/lookup section environment
Rail, ports and freight
- About 310 miles of active rail, about 170 of it main line
- About 140 miles of national freight network highway
- 1 port area with reported cargo tonnage
- 1 intermodal rail terminal
Within 25 km: /v1/lookup section logistics
Example requests for Cuyahoga 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 1401 PROSPECT AVE, CLEVELAND, OH 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":"1401 PROSPECT AVE, CLEVELAND, OH","sections":["datacenters"]}' \
https://api.korzy.co/v1/lookupPython
import os
import requests
response = requests.post(
"https://api.korzy.co/v1/lookup",
json={"address": "1401 PROSPECT AVE, CLEVELAND, OH", "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": -81.68067703224368,
"latitude": 41.50016645,
"address": "1401 PROSPECT AVE, CLEVELAND",
"match_type": "exact"
},
"parcels": {
"records": [
{
"id": "39035-d00d9f3a347f6fb346a0",
"korzy_id": "39035-d00d9f3a347f6fb346a0",
"parcelid": "10301304",
"parceladdr": "1401 PROSPECT AVE",
"parcelcity": "CLEVELAND",
"situs_zip": "44115",
"statefp": "39",
"geoid": "39035",
"longitude": -81.68067703224368,
"latitude": 41.50016645,
"usedesc": "OTHER COMMERCIAL NEC",
"land_use_code": "4990",
"zoning_code": "GR",
"taxacres": 0,
"totalvalue": 95800,
"land_value_usd": 6690,
"improvement_value_usd": 26850,
"assessed_value_usd": 33540,
"market_value_usd": 95800,
"saledate": "2017-11-17",
"saleamt": 0,
"updated": "2026-01-01"
}
],
"truncated": false
},
"sections": {
"datacenters": {
"status": "ok",
"data": {
"radius_km": 10,
"projects": [
{
"id": "datacenter:dc_0a9a7cc27094ee3d81cf",
"project_id": "dc_0a9a7cc27094ee3d81cf",
"name": "DataBank Cleveland (CLE1)",
"operator": "DataBank",
"status": "operating",
"state": "OH",
"city": "Cleveland",
"longitude": -81.6829,
"latitude": 41.4998,
"location_precision": "approximate",
"operational_mw": 0.4,
"source_count": 1,
"source_date": "2026-08-05",
"mapped": true,
"distance_km": 0.1895605043527952
},
{
"id": "datacenter:dc_2b765490d3b656d89b47",
"project_id": "dc_2b765490d3b656d89b47",
"name": "H5 Data Centers Cleveland",
"operator": "H5 Data Centers",
"status": "operating",
"state": "OH",
"city": "Cleveland",
"address": "1625 Rockwell Ave",
"longitude": -81.683262,
"latitude": 41.5063269,
"location_precision": "approximate",
"source_count": 1,
"source_date": "2026-09-21",
"mapped": true,
"distance_km": 0.7180393058599683
},
{
"id": "datacenter:dc_cac82f311956eacb54de",
"project_id": "dc_cac82f311956eacb54de",
"name": "H5 Data Center",
"status": "unknown",
"state": "OH",
"city": "Cleveland",
"address": "1525 Rockwell Avenue",
"longitude": -81.68330183660237,
"latitude": 41.5065059,
"location_precision": "footprint",
"source_count": 2,
"source_date": "2026-02-09",
"mapped": true,
"distance_km": 0.7380274931724552
}
],
"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 owner and sale fields
/v1/enrich returns the fields you choose for up to 25 parcels per request; here the parcel 39035-d00d9f3a347f6fb346a0, with the owner group. 2 credits.
curl --fail-with-body -sS \
-H "Authorization: Bearer $KORZY_API_KEY" \
-H "Content-Type: application/json" \
-d '{"items":[{"korzy_id":"39035-d00d9f3a347f6fb346a0"}],"fields":["identity","sale","owner"]}' \
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 $KORZY_API_KEY" \
https://api.korzy.co/v1/records/39035-d00d9f3a347f6fb346a0JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("39035-d00d9f3a347f6fb346a0")}`, {
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);Cuyahoga County data questions
- How many parcels in Cuyahoga County include building size?
- About 420,000 of about 520,000 parcel records (80%) include building size.
- Does the Korzy API return owner names for Cuyahoga County parcels?
- Yes. 7% of Cuyahoga County parcel records carry an owner name. Ask /v1/enrich for the owner group; each parcel then costs 2 credits instead of 1 credit. Lookups and records never include owner fields.
- How many data-center projects are in Cuyahoga County?
- Korzy tracks 8 data-center projects in Cuyahoga County: 6 operating and 2 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 Cuyahoga County?
- About 10 operable power plants in Cuyahoga County total about 170 MW of nameplate capacity, mainly other fuels, natural gas and oil.
- Which water systems serve Cuyahoga County?
- Service areas of about 15 community water systems cover about 99% of Cuyahoga County, and sewer service areas cover about 91%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.
More featured counties
- Franklin County, OHabout 500,000 parcels
- Butler County, OHabout 170,000 parcels
- Hamilton County, OHabout 420,000 parcels
Build on Cuyahoga 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.