Tarrant County, TX parcel and infrastructure data API

Parcel coverage in Tarrant County

About 750,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from July 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. 1% of Tarrant County records carry an owner name.

Infrastructure in and around Tarrant County

Example requests for Tarrant 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 3801 COLLEYVILLE BLVD, COLLEYVILLE, 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=3801 COLLEYVILLE BLVD, COLLEYVILLE, TX' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "3801 COLLEYVILLE BLVD, COLLEYVILLE, 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": "48439-85468463b14d91f8ae5a",
      "address": "3801 COLLEYVILLE BLVD",
      "city": "COLLEYVILLE",
      "postcode": "76034",
      "county": "Tarrant",
      "statefp": "48",
      "longitude": -97.17277675220839,
      "latitude": 32.8656922,
      "match_type": "exact",
      "parcelid": "1000002908",
      "parceladdr": "3801 COLLEYVILLE BLVD",
      "parcelcity": "COLLEYVILLE",
      "situs_zip": "76034",
      "usedesc": "COMMERCIAL",
      "yearbuilt": 1973,
      "bldgsqft": 7000,
      "taxacres": 0.2753,
      "totalvalue": 900335,
      "land_value_usd": 89955,
      "improvement_value_usd": 900335,
      "market_value_usd": 798000,
      "updated": "2026-01-01",
      "geoid": "48439"
    }
  ],
  "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, 48439-85468463b14d91f8ae5a, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-97.172777' \
  --data-urlencode 'latitude=32.865692' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-97.172777", "latitude": "32.865692", "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=-97.172777' \
  --data-urlencode 'latitude=32.865692' \
  --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": "-97.172777", "latitude": "32.865692", "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_33989ffcfc93945ee135",
      "name": "Amazon Web Services",
      "operator": "Amazon Web Services",
      "status": "unknown",
      "state": "TX",
      "longitude": -97.07025967865607,
      "latitude": 32.85051835,
      "location_precision": "footprint",
      "distance_km": 9.723214395430558
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": false
}

Tarrant County data questions

How many parcels in Tarrant County include year built?

About 740,000 of about 750,000 parcel records (99%) include year built.

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

Yes. 1% of Tarrant 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 Tarrant County?

Korzy tracks about 10 data-center projects in Tarrant County: 8 status not reported, 2 operating and 1 under construction. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Tarrant County?

About 25 operable power plants in Tarrant County total about 1,500 MW of nameplate capacity, mainly natural gas, battery and pumped storage and solar.

Which water systems serve Tarrant County?

Service areas of about 90 community water systems cover about 91% of Tarrant County, and sewer service areas cover about 55%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

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