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Prince George's County, MD parcel and infrastructure data API

Korzy has about 350,000 parcel records for Prince George's County, Maryland, with source updates through May 2026. Nearly every record carries values, last sale and building size; 87% include year built. In and around the county the API also maps about 30 power plants with about 3,100 MW of capacity, led by natural gas; 4 data-center projects (1 operating); and about 75 miles of active rail. Look up any parcel by address or coordinates, then check water, sewer and infrastructure context at the same point.

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Parcel coverage in Prince George's County

About 350,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from May 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 · 100%
Owner nameNot published
Assessed or market valueNearly all · 100%
Year builtMost · 87%
Building sizeNearly all · 99%
Last saleNearly all · 100%
Land useNot published
ZoningNot published

Prince George's County records do not include owner names. See pricing for credit costs.

Infrastructure in and around Prince George's County

Power plants

About 30 operable plants with about 3,100 MW of nameplate capacity; largest by capacity: natural gas, battery and pumped storage, oil. Proposed generators add about 15 MW.

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

Substations and transmission

About 80 in-service substations, about 20 rated 230 kV or higher.

About 550 miles of transmission lines: about 85 mi at under 100 kV; about 35 mi at 100–161 kV; about 400 mi at 220–287 kV; about 25 mi at 500 kV.

Water and sewer service

Service areas of about 10 community water systems cover about 70% of the county.

Sewer service areas of about 10 systems cover about 64%.

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

Data-center projects

4 tracked projects: 1 operating, 1 permitted, 1 proposed, 1 status not reported. Reported planned capacity: about 830 MW.

Within 10 km: /v1/lookup section datacenters

Grid capacity data

2 utility-published grid capacity layers cover parts of Prince George's County, including load headroom.

Nearby records: /v1/lookup section grid

Flood zones and wetlands

Special flood hazard areas cover about 11% of the county on the current federal flood maps, published May 2026.

Mapped wetlands cover about 6%.

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

Rail, ports and freight

  • About 75 miles of active rail, about 70 of it main line
  • About 50 miles of national freight network highway

Within 25 km: /v1/lookup section logistics

Example requests for Prince George's 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 11700 MONTGOMERY RD, BELTSVILLE, MD 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":"11700 MONTGOMERY RD, BELTSVILLE, MD","sections":["utilities"]}' \
  https://api.korzy.co/v1/lookup
Python
import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "11700 MONTGOMERY RD, BELTSVILLE, MD", "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": -76.9257587431346,
    "latitude": 39.0530541,
    "address": "11700 MONTGOMERY RD, BELTSVILLE",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "24033-583388cb9e3ef5e25c9b",
        "korzy_id": "24033-583388cb9e3ef5e25c9b",
        "parcelid": "010003913",
        "parceladdr": "11700 MONTGOMERY RD",
        "parcelcity": "BELTSVILLE",
        "situs_zip": "20705",
        "statefp": "24",
        "geoid": "24033",
        "longitude": -76.9257587431346,
        "latitude": 39.0530541,
        "yearbuilt": 1978,
        "bldgsqft": 40331,
        "taxacres": 4.49,
        "totalvalue": 4326300,
        "saledate": "2003-11-26",
        "saleamt": 2800000,
        "updated": "2025-10-10"
      }
    ],
    "truncated": false
  },
  "sections": {
    "utilities": {
      "status": "ok",
      "data": {
        "water": [
          {
            "id": "utility:water:37151",
            "feature_id": "water:37151",
            "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
            "boundary_basis": "System Sourced"
          }
        ],
        "sewer": [
          {
            "id": "utility:sewer:218",
            "feature_id": "sewer:218",
            "name": "BLUE PLAINS STP",
            "boundary_basis": "Sourced"
          }
        ],
        "treatment_plants": [
          {
            "id": "utility:treatment:13599",
            "feature_id": "treatment:13599",
            "name": "PARKWAY STP",
            "distance_km": 8.097922507705379
          },
          {
            "id": "utility:treatment:11730",
            "feature_id": "treatment:11730",
            "name": "MARYLAND CITY WWTP",
            "distance_km": 9.396294046059497
          },
          {
            "id": "utility:treatment:11747",
            "feature_id": "treatment:11747",
            "name": "Little Patuxent WWTP",
            "distance_km": 12.625359704859754
          }
        ],
        "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 value and sale fields

/v1/enrich returns the fields you choose for up to 25 parcels per request; here the parcel 24033-583388cb9e3ef5e25c9b. 1 credit.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"items":[{"korzy_id":"24033-583388cb9e3ef5e25c9b"}],"fields":["identity","value","sale"]}' \
  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 $KORZY_API_KEY" \
  https://api.korzy.co/v1/records/24033-583388cb9e3ef5e25c9b
JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("24033-583388cb9e3ef5e25c9b")}`, {
  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);

Prince George's County data questions

How many parcels in Prince George's County include year built?
About 300,000 of about 350,000 parcel records (87%) include year built.
Does the Korzy API return owner names for Prince George's County parcels?
Prince George's County parcel records do not include owner names. Values, land use and building facts are returned where the county publishes them.
How many data-center projects are in Prince George's County?
Korzy tracks 4 data-center projects in Prince George's County: 1 operating, 1 permitted and 1 proposed. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.
How much power generation is in Prince George's County?
About 30 operable power plants in Prince George's County total about 3,100 MW of nameplate capacity, mainly natural gas, battery and pumped storage and oil.
Which water systems serve Prince George's County?
Service areas of about 10 community water systems cover about 70% of Prince George's County, and sewer service areas cover about 64%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

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Build on Prince George's 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 keySee pricingAPI referenceUse cases for parcel and infrastructure data