York County, SC parcel and infrastructure data API

Korzy has about 130,000 parcel records for York County, South Carolina, with source updates through November 2026. Nearly every record carries owner names, values, last sale and land use; 77% include building size and 71% include year built. In and around the county the API also maps 4 power plants with about 2,500 MW of capacity, led by nuclear; 1 data-center project (1 under construction); and about 50 miles of active rail. Look up any parcel by address or coordinates, then check water, sewer and infrastructure context at the same point.

Parcel coverage in York County

About 130,000 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:

FieldCoverageShare
Situs addressNearly all · 99%
Owner nameNearly all · 99%
Assessed or market valueNearly all · 99%
Year builtMany · 71%
Building sizeMost · 77%
Last saleNearly all · 97%
Land useNearly all · 100%
ZoningNot published

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 York County records carry an owner name.

Infrastructure in and around York County

Power plants

4 operable plants with about 2,500 MW of nameplate capacity; largest by capacity: nuclear, hydro, oil.

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

Substations and transmission

About 95 in-service substations, 4 rated 230 kV or higher.

About 610 miles of transmission lines: about 30 mi at under 100 kV; about 330 mi at 100–161 kV; about 190 mi at 220–287 kV; about 50 mi at 500 kV.

Water and sewer service

Service areas of about 55 community water systems cover about 98% of the county.

Sewer service areas of 6 systems cover about 32%.

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

Data-center projects

1 tracked project: 1 under construction.

Within 10 km: /v1/lookup section datacenters

Flood zones and wetlands

Special flood hazard areas cover about 8% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 1%.

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

Rail, ports and freight

  • About 50 miles of active rail, about 45 of it main line
  • About 20 miles of national freight network highway

Within 25 km: /v1/lookup section logistics

Example requests for York 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 its water and sewer service

/v1/lookup matches 698 BRYANT BLVD, ROCK HILL, SC and returns the parcel's korzy_id and record, plus the water and sewer service areas at the parcel and the nearest treatment plants. 2 credits.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"address":"698 BRYANT BLVD, ROCK HILL, SC","sections":["utilities"]}' \
  https://api.korzy.co/v1/lookup
Python
import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "698 BRYANT BLVD, ROCK HILL, SC", "sections": ["utilities"]},
    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"]["utilities"]["status"])
Production response (trimmed)
{
  "location": {
    "longitude": -81.04802127931774,
    "latitude": 34.988064800000004,
    "address": "698 BRYANT BLVD, ROCK HILL",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "45091-12ab4e67c99e482f06d9",
        "korzy_id": "45091-12ab4e67c99e482f06d9",
        "parcelid": "5890101030",
        "parceladdr": "698 BRYANT BLVD",
        "parcelcity": "ROCK HILL",
        "situs_zip": "29732",
        "statefp": "45",
        "geoid": "45091",
        "longitude": -81.04802127931774,
        "latitude": 34.988064800000004,
        "usedesc": "COMMERCIAL IMPROVED",
        "land_use_code": "CI",
        "yearbuilt": 1989,
        "bldgsqft": 19800,
        "building_count": 1,
        "taxacres": 3,
        "totalvalue": 1564000,
        "land_value_usd": 222000,
        "improvement_value_usd": 1342000,
        "assessed_value_usd": 91462,
        "market_value_usd": 1633000,
        "saledate": "2019-06-25",
        "saleamt": 1500000,
        "updated": "2026-11-03"
      }
    ],
    "truncated": false
  },
  "sections": {
    "utilities": {
      "status": "ok",
      "data": {
        "water": [
          {
            "id": "utility:water:41326",
            "feature_id": "water:41326",
            "name": "ROCK HILL CITY OF (SC4610002)",
            "boundary_basis": "System Sourced"
          }
        ],
        "sewer": [
          {
            "id": "utility:sewer:16995",
            "feature_id": "sewer:16995",
            "name": "MANCHESTER CREEK WWTP",
            "boundary_basis": "Modeled"
          }
        ],
        "treatment_plants": [
          {
            "id": "utility:treatment:8010",
            "feature_id": "treatment:8010",
            "name": "FORT MILL WWTP",
            "distance_km": 7.608247863786147
          },
          {
            "id": "utility:treatment:8019",
            "feature_id": "treatment:8019",
            "name": "MANCHESTER CREEK WWTP",
            "distance_km": 8.936097652922259
          },
          {
            "id": "utility:treatment:17205",
            "feature_id": "treatment:17205",
            "name": "YORK WWTP",
            "distance_km": 12.646264287743215
          }
        ],
        "truncated": {
          "water": false,
          "sewer": false
        }
      },
      "provenance": [
        {
          "dataset": "water",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        },
        {
          "dataset": "sewer",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        },
        {
          "dataset": "treatment",
          "data_version": "63b7c1c3-9661-4fed-a59f-ddbfff80c2e4"
        }
      ]
    }
  },
  "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 45091-12ab4e67c99e482f06d9, 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":"45091-12ab4e67c99e482f06d9"}],"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 $KORZY_API_KEY" \
  https://api.korzy.co/v1/records/45091-12ab4e67c99e482f06d9
JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("45091-12ab4e67c99e482f06d9")}`, {
  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);

York County data questions

How many parcels in York County include year built?
About 92,000 of about 130,000 parcel records (71%) include year built.
Does the Korzy API return owner names for York County parcels?
Yes. 99% of York 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 York County?
Korzy tracks 1 data-center project in York County: 1 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 York County?
4 operable power plants in York County total about 2,500 MW of nameplate capacity, mainly nuclear, hydro and oil.
Which water systems serve York County?
Service areas of about 55 community water systems cover about 98% of York 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

All featured South Carolina counties

Build on York 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.