Cuyahoga County, OH parcel and infrastructure data API

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 /api/parcel-record. Share of records with each field:

Owner name and mailing address are returned with include_owner=true, which doubles a request's cost: a parcel record costs 2 credits instead of 1. 7% of Cuyahoga County records carry an owner name.

Infrastructure in and around Cuyahoga County

Example requests for Cuyahoga 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 1401 PROSPECT AVE, CLEVELAND, OH 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=1401 PROSPECT AVE, CLEVELAND, OH' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "1401 PROSPECT AVE, CLEVELAND, OH"},
    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"])

{
  "results": [
    {
      "korzy_id": "39035-d00d9f3a347f6fb346a0",
      "address": "1401 PROSPECT AVE",
      "city": "CLEVELAND",
      "postcode": "44115",
      "statefp": "39",
      "longitude": -81.68067703224368,
      "latitude": 41.50016645,
      "match_type": "exact",
      "parcelid": "10301304",
      "parceladdr": "1401 PROSPECT AVE",
      "parcelcity": "CLEVELAND",
      "situs_zip": "44115",
      "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",
      "geoid": "39035"
    }
  ],
  "truncated": false
}

With include_owner=true (2 credits) the record adds owner fields, shown here as placeholders:

{
  "owner_name": "EXAMPLE HOLDINGS LLC",
  "owner_mailing_address": "100 EXAMPLE ST, SAMPLE CITY, ST 00000"
}

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, 39035-d00d9f3a347f6fb346a0, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-81.680677' \
  --data-urlencode 'latitude=41.500166' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-81.680677", "latitude": "41.500166", "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=-81.680677' \
  --data-urlencode 'latitude=41.500166' \
  --data-urlencode 'radius_km=10' \
  --data-urlencode 'limit=3' \
  https://api.korzy.co/api/datacenters/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/datacenters/context",
    params={"longitude": "-81.680677", "latitude": "41.500166", "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"])

{
  "projects": [
    {
      "project_id": "dc_0a9a7cc27094ee3d81cf",
      "name": "DataBank Cleveland (CLE1)",
      "operator": "DataBank",
      "status": "operating",
      "city": "Cleveland",
      "state": "OH",
      "longitude": -81.6829,
      "latitude": 41.4998,
      "location_precision": "approximate",
      "operational_mw": 0.4,
      "distance_km": 0.18955237792450302
    },
    {
      "project_id": "dc_2b765490d3b656d89b47",
      "name": "H5 Data Centers Cleveland",
      "operator": "H5 Data Centers",
      "status": "operating",
      "city": "Cleveland",
      "state": "OH",
      "longitude": -81.683262,
      "latitude": 41.5063269,
      "location_precision": "approximate",
      "distance_km": 0.7180878473873454
    },
    {
      "project_id": "dc_cac82f311956eacb54de",
      "name": "H5 Data Center",
      "status": "unknown",
      "city": "Cleveland",
      "state": "OH",
      "longitude": -81.68330183660237,
      "latitude": 41.5065059,
      "location_precision": "footprint",
      "distance_km": 0.7380760815812112
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": true
}

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. Add include_owner=true to a point, search or parcel-record request; it doubles the request's cost, so a single parcel record costs 2 credits.

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. /api/datacenters/context lists projects within 10 km of any 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%. /api/utilities/context returns the water and sewer matches at a point.

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