Durham County, NC parcel and infrastructure data API
Korzy has about 130,000 parcel records for Durham County, North Carolina, with source updates through June 2026. Nearly every record carries owner names, values, land use and building size; 51% include last sale. In and around the county the API also maps 6 data-center projects (3 operating); 5 power plants with about 20 MW of capacity, led by solar; and about 50 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 Durham County
About 130,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from June 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:
| Field | Coverage | Share |
|---|---|---|
| Situs address | Nearly all · 100% | |
| Owner name | Nearly all · 99% | |
| Assessed or market value | Nearly all · 99% | |
| Year built | Not published | |
| Building size | Nearly all · 100% | |
| Last sale | Many · 51% | |
| Land use | Nearly all · 100% | |
| Zoning | Not published |
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. 99% of Durham County records carry an owner name.
Infrastructure in and around Durham County
Power plants
5 operable plants with about 20 MW of nameplate capacity; largest by capacity: solar, other fuels.
Plant details: /api/power/plants/{plant_id}
Substations and transmission
About 65 in-service substations, 9 rated 230 kV or higher.
About 310 miles of transmission lines: about 140 mi at 100–161 kV; about 120 mi at 220–287 kV; about 10 mi at 500 kV.
Water and sewer service
Service areas of about 25 community water systems cover about 55% of the county.
Sewer service areas of 6 systems cover about 56%.
At a point: /api/utilities/context
Data-center projects
6 tracked projects: 3 operating, 3 status not reported. Reported operating capacity: about 55 MW.
Within 10 km of a point: /api/datacenters/context
Flood zones and wetlands
Special flood hazard areas cover about 15% of the county on the current federal flood maps, published October 2026.
Mapped wetlands cover about 7%.
Rail, ports and freight
- About 50 miles of active rail, about 35 of it main line
- About 25 miles of national freight network highway
Within 25 km of a point: /api/logistics/context
Example requests for Durham 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 600 E UMSTEAD ST, DURHAM, NC 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=600 E UMSTEAD ST, DURHAM, NC' \
https://api.korzy.co/api/searchPython
import os
import requests
response = requests.get(
"https://api.korzy.co/api/search",
params={"q": "600 E UMSTEAD ST, DURHAM, NC"},
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"])Response (trimmed)
{
"results": [
{
"korzy_id": "37063-88571cb68715446fb91d",
"address": "600 E UMSTEAD ST",
"city": "DURHAM",
"postcode": "27701",
"county": "Durham",
"statefp": "37",
"longitude": -78.89636415648647,
"latitude": 35.98189765,
"match_type": "exact",
"parcelid": "0831026315",
"parceladdr": "600 E UMSTEAD ST",
"parcelcity": "DURHAM",
"situs_zip": "27701",
"usedesc": "CMNTY SVC/ SCHOOL",
"land_use_code": "RU-5(2)",
"bldgsqft": 57057,
"building_count": 0,
"taxacres": 5.92,
"totalvalue": 4636244,
"land_value_usd": 702792,
"improvement_value_usd": 3933452,
"saledate": "2017-04-05",
"updated": "2026-05-13",
"geoid": "37063"
}
],
"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, 37063-88571cb68715446fb91d, in records. 1 credit per 10 records requested.
curl --fail-with-body -sS --get \
-H "Authorization: Bearer $KORZY_API_KEY" \
--data-urlencode 'longitude=-78.896364' \
--data-urlencode 'latitude=35.981898' \
--data-urlencode 'limit=5' \
https://api.korzy.co/api/query/pointJavaScript
const params = new URLSearchParams({"longitude": "-78.896364", "latitude": "35.981898", "limit": "5"});
const response = await fetch(`https://api.korzy.co/api/query/point?${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=-78.896364' \
--data-urlencode 'latitude=35.981898' \
--data-urlencode 'radius_km=10' \
--data-urlencode 'limit=3' \
https://api.korzy.co/api/datacenters/contextPython
import os
import requests
response = requests.get(
"https://api.korzy.co/api/datacenters/context",
params={"longitude": "-78.896364", "latitude": "35.981898", "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"])Response (trimmed)
{
"projects": [
{
"project_id": "dc_6c9847efb0e719cbf347",
"name": "Brandaleone Lab for Data and Visualization",
"operator": "Duke Libraries",
"status": "unknown",
"state": "NC",
"longitude": -78.9385323,
"latitude": 36.0030993,
"location_precision": "exact",
"distance_km": 4.466584594139347
},
{
"project_id": "dc_3489db0891e335efd2d4",
"name": "CyrusOne Raleigh-Durham I (DUR1)",
"operator": "CyrusOne",
"status": "operating",
"city": "Durham",
"state": "NC",
"longitude": -78.8810471,
"latitude": 35.9353037,
"location_precision": "exact",
"operational_mw": 50,
"distance_km": 5.361335690760285
},
{
"project_id": "dc_7ba300efc3ab343a998b",
"name": "TierPoint Raleigh - RTP",
"operator": "TierPoint",
"status": "operating",
"city": "Durham",
"state": "NC",
"longitude": -78.852029,
"latitude": 35.9248595,
"location_precision": "approximate",
"distance_km": 7.493432833257804
}
],
"radius_km": 10,
"limit": 3,
"truncated": true
}Durham County data questions
- How many parcels in Durham County include building size?
- About 130,000 of about 130,000 parcel records (100%) include building size.
- Does the Korzy API return owner names for Durham County parcels?
- Yes. 99% of Durham 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 Durham County?
- Korzy tracks 6 data-center projects in Durham County: 3 operating and 3 status not reported. /api/datacenters/context lists projects within 10 km of any point.
- How much power generation is in Durham County?
- 5 operable power plants in Durham County total about 20 MW of nameplate capacity, mainly solar and other fuels.
- Which water systems serve Durham County?
- Service areas of about 25 community water systems cover about 55% of Durham County, and sewer service areas cover about 56%. /api/utilities/context returns the water and sewer matches at a point.
More featured counties
- Wake County, NCBorders Durham County · about 440,000 parcels
- Mecklenburg County, NCabout 430,000 parcels
- Cumberland County, NCabout 140,000 parcels
- Forsyth County, NCabout 170,000 parcels
- Union County, NCabout 110,000 parcels
Build on Durham County parcel data
Search, point and record lookups work the same in every county Korzy covers. Credits are shared across parcels, utilities, environment, logistics and data-center routes.