Ramsey County, MN parcel and infrastructure data API

Parcel coverage in Ramsey County

About 170,000 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 /api/parcel-record. Share of records with each field:

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. 95% of Ramsey County records carry an owner name.

Infrastructure in and around Ramsey County

Example requests for Ramsey 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 5 Mackubin Street, St Paul, MN 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=5 Mackubin Street, St Paul, MN' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "5 Mackubin Street, St Paul, MN"},
    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": "27123-d9566fdbc09249386b9b",
      "address": "5 Mackubin Street",
      "city": "St Paul",
      "postcode": "55102",
      "county": "Ramsey",
      "statefp": "27",
      "longitude": -93.12154159811622,
      "latitude": 44.94166965,
      "match_type": "exact",
      "parcelid": "012823230186",
      "parceladdr": "5 Mackubin Street",
      "parcelcity": "St Paul",
      "situs_zip": "55102",
      "usedesc": "5e Charitable Institution",
      "yearbuilt": 1894,
      "bldgsqft": 6893,
      "taxacres": 0.35,
      "totalvalue": 1140400,
      "land_value_usd": 309100,
      "improvement_value_usd": 745000,
      "market_value_usd": 1054100,
      "saledate": "2015-07-29",
      "saleamt": 1250000,
      "updated": "2026-11-03",
      "geoid": "27123"
    }
  ],
  "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, 27123-d9566fdbc09249386b9b, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-93.121542' \
  --data-urlencode 'latitude=44.94167' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-93.121542", "latitude": "44.94167", "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=-93.121542' \
  --data-urlencode 'latitude=44.94167' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-93.121542", "latitude": "44.94167"},
    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": -93.121542,
  "latitude": 44.94167,
  "matches": {
    "water": [
      {
        "feature_id": "water:37577",
        "name": "Saint Paul Regional Water Services",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:988",
        "name": "METROPOLITAN WWTP",
        "boundary_basis": "Sourced"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:7077",
      "name": "METROPOLITAN WWTP",
      "distance_km": 6.254483573116852
    },
    {
      "feature_id": "treatment:7079",
      "name": "SENECA TREATMENT WWTF",
      "distance_km": 14.635899455874396
    }
  ]
}

Ramsey County data questions

How many parcels in Ramsey County include year built?

About 160,000 of about 170,000 parcel records (93%) include year built.

Does the Korzy API return owner names for Ramsey County parcels?

Yes. 95% of Ramsey 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 Ramsey County?

Korzy tracks 2 data-center projects in Ramsey County: 1 operating and 1 status not reported. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Ramsey County?

4 operable power plants in Ramsey County total about 700 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.

Which water systems serve Ramsey County?

Service areas of about 25 community water systems cover about 81% of Ramsey County, and sewer service areas cover about 82%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• Anoka County, MNBorders Ramsey County · about 150,000 parcels
• Dakota County, MNBorders Ramsey County · about 170,000 parcels
• Hennepin County, MNBorders Ramsey County · about 450,000 parcels
• Washington County, MNBorders Ramsey County · about 130,000 parcels
• St. Louis County, MNabout 190,000 parcels

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