Douglas County, NE parcel and infrastructure data API
Korzy has about 220,000 parcel records for Douglas County, Nebraska, with source updates through November 2026. Nearly every record carries owner names, values, last sale, land use and building size; 89% include year built. In and around the county the API also maps 9 data-center projects (4 operating); 4 power plants with about 940 MW of capacity, led by natural gas; and about 140 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.
Parcel coverage in Douglas County
About 220,000 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 /v1/records/{id}. Share of records with each field:
| Field | Coverage | Share |
|---|---|---|
| Situs address | Nearly all · 96% | |
| Owner name | Nearly all · 99% | |
| Assessed or market value | Nearly all · 99% | |
| Year built | Most · 89% | |
| Building size | Nearly all · 100% | |
| Last sale | Nearly all · 99% | |
| Land use | Nearly all · 99% | |
| Zoning | Nearly all · 99% |
Owner name and mailing address are returned by /v1/enrich with the owner group, at 2 credits per parcel instead of 1 credit. 99% of Douglas County records carry an owner name.
Infrastructure in and around Douglas County
Power plants
4 operable plants with about 940 MW of nameplate capacity; largest by capacity: natural gas, coal, oil.
Within 50 km: /v1/lookup section power; details: /v1/records/{id}
Substations and transmission
About 45 in-service substations, 1 rated 230 kV or higher.
About 260 miles of transmission lines: about 95 mi at under 100 kV; about 120 mi at 100–161 kV; about 35 mi at 345 kV.
Water and sewer service
Service areas of about 15 community water systems cover about 52% of the county.
Sewer service areas of 5 systems cover about 32%.
At an address or point: /v1/lookup section utilities
Data-center projects
9 tracked projects: 4 operating, 5 status not reported. Reported operating capacity: about 240 MW. Reported planned capacity: about 470 MW.
Within 10 km: /v1/lookup section datacenters
Flood zones and wetlands
Special flood hazard areas cover about 27% of the county on the current federal flood maps, published September 2026.
Mapped wetlands cover about 1%.
At an address or point: /v1/lookup section environment
Rail, ports and freight
- About 140 miles of active rail, about 60 of it main line
- About 35 miles of national freight network highway
- 1 intermodal rail terminal
Within 25 km: /v1/lookup section logistics
Example requests for Douglas 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 10110 NICHOLAS ST, OMAHA, NE 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":"10110 NICHOLAS ST, OMAHA, NE","sections":["datacenters"]}' \
https://api.korzy.co/v1/lookupPython
import os
import requests
response = requests.post(
"https://api.korzy.co/v1/lookup",
json={"address": "10110 NICHOLAS ST, OMAHA, NE", "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": -96.0700137915756,
"latitude": 41.269409550000006,
"address": "10110 NICHOLAS ST, OMAHA",
"match_type": "exact"
},
"parcels": {
"records": [
{
"id": "31055-4e354a08adc218a8d882",
"korzy_id": "31055-4e354a08adc218a8d882",
"parcelid": "2531224642",
"parceladdr": "10110 NICHOLAS ST",
"parcelcity": "OMAHA",
"situs_zip": "68114",
"statefp": "31",
"geoid": "31055",
"longitude": -96.0700137915756,
"latitude": 41.269409550000006,
"usedesc": "Commercial",
"land_use_code": "C",
"zoning_code": "03",
"yearbuilt": 2000,
"bldgsqft": 28800,
"building_count": 1,
"taxacres": 1.71,
"totalvalue": 2276200,
"land_value_usd": 538200,
"improvement_value_usd": 1738000,
"assessed_value_usd": 2619500,
"saledate": "1999-12-22",
"saleamt": 67400,
"updated": "2026-11-03"
}
],
"truncated": false
},
"sections": {
"datacenters": {
"status": "ok",
"data": {
"radius_km": 10,
"projects": [
{
"id": "datacenter:dc_da17a42e9276c192113f",
"project_id": "dc_da17a42e9276c192113f",
"name": "Union Pacific Jack Koraleski Technology, Research & Development Center",
"operator": "Union Pacific Railroad",
"status": "unknown",
"state": "NE",
"city": "Omaha",
"address": "8949 Sorensen Parkway",
"longitude": -96.05034843131938,
"latitude": 41.31800825,
"location_precision": "footprint",
"source_count": 2,
"source_date": "2026-02-09",
"mapped": true,
"distance_km": 5.648166366104896
},
{
"id": "datacenter:dc_5a63715acd408aa3ed5b",
"project_id": "dc_5a63715acd408aa3ed5b",
"name": "Scott Data Center",
"operator": "Scott Data",
"status": "operating",
"state": "NE",
"city": "Omaha",
"address": "6825 Pine Street",
"longitude": -96.0093,
"latitude": 41.2406,
"location_precision": "approximate",
"source_count": 1,
"source_date": "2026-08-14",
"mapped": true,
"distance_km": 6.001777974347939
},
{
"id": "datacenter:dc_0b6c25ef42e12b91b214",
"project_id": "dc_0b6c25ef42e12b91b214",
"name": "Google Omaha Data Center",
"operator": "Google",
"status": "operating",
"state": "NE",
"city": "Omaha",
"address": "8425 North 114th Street",
"longitude": -96.0888765,
"latitude": 41.341728,
"location_precision": "footprint",
"operational_mw": 237,
"planned_mw": 474,
"it_mw": 237,
"source_count": 4,
"source_date": "2026-10-12",
"mapped": true,
"distance_km": 8.194358885203226
}
],
"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 31055-4e354a08adc218a8d882, 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":"31055-4e354a08adc218a8d882"}],"fields":["identity","sale","owner"]}' \
https://api.korzy.co/v1/enrich3. 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 $KORZY_API_KEY" \
https://api.korzy.co/v1/records/31055-4e354a08adc218a8d882JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("31055-4e354a08adc218a8d882")}`, {
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);Douglas County data questions
- How many parcels in Douglas County include year built?
- About 200,000 of about 220,000 parcel records (89%) include year built.
- Does the Korzy API return owner names for Douglas County parcels?
- Yes. 99% of Douglas 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 Douglas County?
- Korzy tracks 9 data-center projects in Douglas County: 5 status not reported and 4 operating. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.
- How much power generation is in Douglas County?
- 4 operable power plants in Douglas County total about 940 MW of nameplate capacity, mainly natural gas, coal and oil.
- Which water systems serve Douglas County?
- Service areas of about 15 community water systems cover about 52% of Douglas County, and sewer service areas cover about 32%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.
More featured counties
- Pottawattamie County, IABorders Douglas County · about 54,000 parcels
- Sarpy County, NEBorders Douglas County · about 77,000 parcels
- Lancaster County, NEabout 120,000 parcels
Build on Douglas 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.