How many parcels in Dallas County include year built?

About 680,000 of about 840,000 parcel records (81%) include year built.

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

Yes. 77% of Dallas 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 Dallas County?

Korzy tracks about 35 data-center projects in Dallas County: 20 status not reported, 10 operating and 3 under construction. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.

How much power generation is in Dallas County?

About 15 operable power plants in Dallas County total about 2,100 MW of nameplate capacity, mainly natural gas, battery and pumped storage and oil.

Which water systems serve Dallas County?

Service areas of about 45 community water systems cover about 89% of Dallas County, and sewer service areas cover about 77%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

Dallas County, TX parcel and infrastructure data API

Korzy has about 840,000 parcel records for Dallas County, Texas, with source updates through October 2026. Nearly every record carries land use; 94% include values and 81% include year built. In and around the county the API also maps about 35 data-center projects (10 operating and 3 under construction); about 15 power plants with about 2,100 MW of capacity, led by natural gas; and about 380 miles of active rail. Look up any parcel by address or coordinates, then check nearby data-center projects, utilities and grid context at the same point.

Get an API key Read the API docs

Parcel coverage in Dallas County

About 840,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from October 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	Most · 77%
Assessed or market value	Most · 94%
Year built	Most · 81%
Building size	Most · 81%
Last sale	Most · 75%
Land use	Nearly all · 100%
Zoning	Not published

Owner name and mailing address are returned by /v1/enrich with the owner group, at 2 credits per parcel instead of 1 credit. 77% of Dallas County records carry an owner name.

Infrastructure in and around Dallas County

Power plants

About 15 operable plants with about 2,100 MW of nameplate capacity; largest by capacity: natural gas, battery and pumped storage, oil. Proposed generators add about 20 MW.

Within 50 km: /v1/lookup section power; details: /v1/records/{id}

Substations and transmission

About 250 in-service substations, about 15 rated 230 kV or higher.

About 1,100 miles of transmission lines: about 80 mi at under 100 kV; about 800 mi at 100–161 kV; about 220 mi at 345 kV.

Water and sewer service

Service areas of about 45 community water systems cover about 89% of the county.

Sewer service areas of about 15 systems cover about 77%.

At an address or point: /v1/lookup section utilities

Data-center projects

About 35 tracked projects: 10 operating, 3 under construction, 3 proposed, 20 status not reported. Reported operating capacity: about 80 MW. Reported planned capacity: about 2,700 MW.

Within 10 km: /v1/lookup section datacenters

Flood zones and wetlands

Special flood hazard areas cover about 20% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 3%.

At an address or point: /v1/lookup section environment

Rail, ports and freight

About 380 miles of active rail, about 200 of it main line
About 200 miles of national freight network highway
2 intermodal rail terminals

Within 25 km: /v1/lookup section logistics

Example requests for Dallas 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 4061 N CENTRAL EXPY, DALLAS, TX 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":"4061 N CENTRAL EXPY, DALLAS, TX","sections":["datacenters"]}' \
  https://api.korzy.co/v1/lookup

Python

import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "4061 N CENTRAL EXPY, DALLAS, TX", "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": -96.79120689328502,
    "latitude": 32.81348375,
    "address": "4061 N CENTRAL EXPY, DALLAS",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "48113-b11d21fd0537361df2de",
        "korzy_id": "48113-b11d21fd0537361df2de",
        "parcelid": "00000157828000000",
        "parceladdr": "4061 N CENTRAL EXPY",
        "parcelcity": "DALLAS",
        "situs_zip": "752042137",
        "statefp": "48",
        "geoid": "48113",
        "longitude": -96.79120689328502,
        "latitude": 32.81348375,
        "usedesc": "Commercial",
        "land_use_code": "COM",
        "taxacres": 0.2925,
        "totalvalue": 2100340,
        "land_value_usd": 0,
        "improvement_value_usd": 0,
        "market_value_usd": 0,
        "saledate": "2017-12-22",
        "updated": "2026-10-30"
      }
    ],
    "truncated": false
  },
  "sections": {
    "datacenters": {
      "status": "ok",
      "data": {
        "radius_km": 10,
        "projects": [
          {
            "id": "datacenter:dc_3d1021689e6490819552",
            "project_id": "dc_3d1021689e6490819552",
            "name": "Equinix Infomart",
            "operator": "Equinix",
            "status": "unknown",
            "state": "TX",
            "city": "Dallas",
            "address": "1950 North Stemmons Freeway",
            "longitude": -96.81952300449768,
            "latitude": 32.800965950000005,
            "location_precision": "footprint",
            "source_count": 2,
            "source_date": "2026-02-09",
            "mapped": true,
            "distance_km": 2.990131262320415
          },
          {
            "id": "datacenter:dc_57d38ce7655b23b0d9c5",
            "project_id": "dc_57d38ce7655b23b0d9c5",
            "name": "Flexential Dallas - Downtown Dallas",
            "operator": "Flexential",
            "status": "operating",
            "state": "TX",
            "city": "Dallas",
            "address": "1950 North Stemmons Freeway",
            "longitude": -96.8193707,
            "latitude": 32.8004101,
            "location_precision": "exact",
            "operational_mw": 6.66,
            "source_count": 3,
            "source_date": "2026-09-21",
            "mapped": true,
            "distance_km": 3.006937743418614
          },
          {
            "id": "datacenter:dc_75a36db43a789a5c6765",
            "project_id": "dc_75a36db43a789a5c6765",
            "name": "Live Oak Data Center",
            "status": "unknown",
            "state": "TX",
            "city": "Dallas",
            "address": "2020 Live Oak Street",
            "longitude": -96.79462532694566,
            "latitude": 32.783714599999996,
            "location_precision": "footprint",
            "source_count": 2,
            "source_date": "2026-02-09",
            "mapped": true,
            "distance_km": 3.3255678742372385
          }
        ],
        "truncated": true,
        "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 48113-b11d21fd0537361df2de, 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":"48113-b11d21fd0537361df2de"}],"fields":["identity","sale","owner"]}' \
  https://api.korzy.co/v1/enrich

3. 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/48113-b11d21fd0537361df2de

JavaScript

const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("48113-b11d21fd0537361df2de")}`, {
  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);

Dallas County data questions

How many parcels in Dallas County include year built?: About 680,000 of about 840,000 parcel records (81%) include year built.
Does the Korzy API return owner names for Dallas County parcels?: Yes. 77% of Dallas 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 Dallas County?: Korzy tracks about 35 data-center projects in Dallas County: 20 status not reported, 10 operating and 3 under construction. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.
How much power generation is in Dallas County?: About 15 operable power plants in Dallas County total about 2,100 MW of nameplate capacity, mainly natural gas, battery and pumped storage and oil.
Which water systems serve Dallas County?: Service areas of about 45 community water systems cover about 89% of Dallas County, and sewer service areas cover about 77%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

More featured counties

Denton County, TXBorders Dallas County · about 380,000 parcels
Tarrant County, TXBorders Dallas County · about 750,000 parcels
Bexar County, TXabout 710,000 parcels
Harris County, TXabout 1.6 million parcels
Travis County, TXabout 420,000 parcels

All featured Texas counties

Build on Dallas 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.

Get an API key See pricing API reference Use cases for parcel and infrastructure data