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

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 /api/parcel-record. Share of records with each field:

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

Infrastructure in and around Prince George's County

Example requests for Prince George's 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 11700 MONTGOMERY RD, BELTSVILLE, MD 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=11700 MONTGOMERY RD, BELTSVILLE, MD' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "11700 MONTGOMERY RD, BELTSVILLE, MD"},
    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"])

{
  "results": [
    {
      "korzy_id": "24033-583388cb9e3ef5e25c9b",
      "address": "11700 MONTGOMERY RD",
      "city": "BELTSVILLE",
      "postcode": "20705",
      "county": "Prince George's",
      "statefp": "24",
      "longitude": -76.9257587431346,
      "latitude": 39.0530541,
      "match_type": "exact",
      "parcelid": "010003913",
      "parceladdr": "11700 MONTGOMERY RD",
      "parcelcity": "BELTSVILLE",
      "situs_zip": "20705",
      "yearbuilt": 1978,
      "bldgsqft": 40331,
      "taxacres": 4.49,
      "totalvalue": 4326300,
      "saledate": "2003-11-26",
      "saleamt": 2800000,
      "updated": "2025-10-10",
      "geoid": "24033"
    }
  ],
  "truncated": false
}

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, 24033-583388cb9e3ef5e25c9b, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-76.925759' \
  --data-urlencode 'latitude=39.053054' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-76.925759", "latitude": "39.053054", "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 water and sewer service

/api/utilities/context returns the water and sewer service areas at the point and the nearest treatment plants. 1 credit.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-76.925759' \
  --data-urlencode 'latitude=39.053054' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-76.925759", "latitude": "39.053054"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
matches = response.json()["matches"]
print([area["name"] for area in matches["water"]])

{
  "longitude": -76.925759,
  "latitude": 39.053054,
  "matches": {
    "water": [
      {
        "feature_id": "water:37151",
        "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:218",
        "name": "BLUE PLAINS STP",
        "boundary_basis": "Sourced"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:13599",
      "name": "PARKWAY STP",
      "distance_km": 8.097945652980451
    },
    {
      "feature_id": "treatment:11730",
      "name": "MARYLAND CITY WWTP",
      "distance_km": 9.396318702333557
    }
  ]
}

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. /api/datacenters/context lists projects within 10 km of any 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%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• District of Columbia, DCBorders Prince George's County · about 240,000 parcels
• Montgomery County, MDBorders Prince George's County · about 290,000 parcels
• Fairfax County, VABorders Prince George's County · about 370,000 parcels
• Baltimore city, MDabout 240,000 parcels
• Frederick County, MDabout 120,000 parcels
• Baltimore County, MDabout 370,000 parcels

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