Harris County, TX parcel and infrastructure data API

Parcel coverage in Harris County

About 1.6 million 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. 84% of Harris County records carry an owner name.

Infrastructure in and around Harris County

Example requests for Harris 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 1511 W 34TH ST, HOUSTON, TX 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=1511 W 34TH ST, HOUSTON, TX' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "1511 W 34TH ST, HOUSTON, TX"},
    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": "48201-144cc4eda70e4f9814cd",
      "address": "1511 W 34TH ST",
      "city": "HOUSTON",
      "postcode": "77018",
      "county": "Harris",
      "statefp": "48",
      "longitude": -95.42579272060283,
      "latitude": 29.8167694,
      "match_type": "exact",
      "parcelid": "0580930000018",
      "parceladdr": "1511 W 34TH ST",
      "parcelcity": "HOUSTON",
      "situs_zip": "77018",
      "usedesc": "Office Bldgs. Low-Rise (1 to 4 Stories)",
      "land_use_code": "8002",
      "yearbuilt": 1975,
      "bldgsqft": 16765,
      "taxacres": 1.0682966023875116,
      "totalvalue": 2512721,
      "land_value_usd": 1861400,
      "improvement_value_usd": 762058,
      "assessed_value_usd": 3049757,
      "market_value_usd": 2623458,
      "saledate": "2005-05-05",
      "updated": "2026-10-13",
      "geoid": "48201"
    }
  ],
  "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, 48201-144cc4eda70e4f9814cd, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-95.425793' \
  --data-urlencode 'latitude=29.816769' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-95.425793", "latitude": "29.816769", "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=-95.425793' \
  --data-urlencode 'latitude=29.816769' \
  --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": "-95.425793", "latitude": "29.816769", "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": [],
  "radius_km": 10,
  "limit": 3,
  "truncated": false
}

Harris County data questions

How many parcels in Harris County include year built?

About 1.4 million of about 1.6 million parcel records (87%) include year built.

Does the Korzy API return owner names for Harris County parcels?

Yes. 84% of Harris 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 Harris County?

Korzy tracks 7 data-center projects in Harris County: 6 status not reported and 1 operating. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Harris County?

About 85 operable power plants in Harris County total about 10,000 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.

Which water systems serve Harris County?

Service areas of about 700 community water systems cover about 64% of Harris County, and sewer service areas cover about 42%. /api/utilities/context returns the water and sewer matches at a point.

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