Bexar County, TX parcel and infrastructure data API

Parcel coverage in Bexar County

About 710,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from February 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. 98% of Bexar County records carry an owner name.

Infrastructure in and around Bexar County

Example requests for Bexar 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 9999 WESTOVER HILLS BLVD, SAN ANTONIO, 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=9999 WESTOVER HILLS BLVD, SAN ANTONIO, TX' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "9999 WESTOVER HILLS BLVD, SAN ANTONIO, 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": "48029-7d6f1e4a0c88dece493c",
      "address": "9999 WESTOVER HILLS BLVD",
      "city": "SAN ANTONIO",
      "postcode": "78251",
      "county": "BEXAR",
      "statefp": "48",
      "longitude": -98.68825642707266,
      "latitude": 29.466433569050935,
      "match_type": "exact",
      "parcelid": "17642-008-0010",
      "parceladdr": "9999 WESTOVER HILLS BLVD",
      "parcelcity": "SAN ANTONIO",
      "situs_zip": "78251",
      "land_use_code": "313",
      "yearbuilt": 1996,
      "taxacres": 0,
      "land_value_usd": 0,
      "improvement_value_usd": 0,
      "market_value_usd": 40000000,
      "saledate": "2022-03-16",
      "updated": "2026-01-01",
      "geoid": "48029"
    }
  ],
  "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, 48029-7d6f1e4a0c88dece493c, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-98.688256' \
  --data-urlencode 'latitude=29.466434' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-98.688256", "latitude": "29.466434", "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=-98.688256' \
  --data-urlencode 'latitude=29.466434' \
  --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": "-98.688256", "latitude": "29.466434", "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_383627757ff4e7223c39",
      "name": "CyrusOne SAT1 (San Antonio)",
      "operator": "CyrusOne",
      "status": "operating",
      "city": "San Antonio",
      "state": "TX",
      "longitude": -98.68823995424793,
      "latitude": 29.46641075,
      "location_precision": "footprint",
      "distance_km": 0.0030160880078063416
    },
    {
      "project_id": "dc_143b89424362a9a82ee2",
      "name": "Unnamed data center",
      "operator": "Frost Bank",
      "status": "unknown",
      "state": "TX",
      "longitude": -98.68756881713054,
      "latitude": 29.47008515,
      "location_precision": "footprint",
      "distance_km": 0.41140431099319846
    },
    {
      "project_id": "dc_4d6947285c88b1683c83",
      "name": "Unnamed data center",
      "operator": "CHRISTUS Health",
      "status": "unknown",
      "state": "TX",
      "longitude": -98.68634842417035,
      "latitude": 29.47025415,
      "location_precision": "footprint",
      "distance_km": 0.46318808885730267
    }
  ],
  "radius_km": 10,
  "limit": 3,
  "truncated": true
}

Bexar County data questions

How many parcels in Bexar County include year built?

About 610,000 of about 710,000 parcel records (86%) include year built.

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

Yes. 98% of Bexar 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 Bexar County?

Korzy tracks about 35 data-center projects in Bexar County: 25 status not reported, 7 operating and 2 under construction. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Bexar County?

About 20 operable power plants in Bexar County total about 4,500 MW of nameplate capacity, mainly natural gas, coal and battery and pumped storage.

Which water systems serve Bexar County?

Service areas of about 60 community water systems cover about 92% of Bexar County, and sewer service areas cover about 69%. /api/utilities/context returns the water and sewer matches at a point.

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