Hennepin County, MN parcel and infrastructure data API

Korzy has about 450,000 parcel records for Hennepin County, Minnesota, with source updates through November 2026. Nearly every record carries values, land use and year built; 87% include last sale. In and around the county the API also maps about 15 data-center projects (9 operating); 9 power plants with about 700 MW of capacity, led by natural gas; and 1 port with reported cargo. 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 Hennepin County

About 450,000 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 · 100%
Owner nameSome · 1%
Assessed or market valueNearly all · 95%
Year builtNearly all · 99%
Building sizeSome · 4%
Last saleMost · 87%
Land useNearly all · 99%
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. 1% of Hennepin County records carry an owner name.

Infrastructure in and around Hennepin County

Power plants

9 operable plants with about 700 MW of nameplate capacity; largest by capacity: natural gas, battery and pumped storage, other fuels.

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

Substations and transmission

About 75 in-service substations, 3 rated 230 kV or higher.

About 420 miles of transmission lines: about 95 mi at under 100 kV; about 190 mi at 100–161 kV; about 110 mi at 345 kV.

Water and sewer service

Service areas of about 50 community water systems cover about 54% of the county.

Sewer service areas of 9 systems cover about 60%.

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

Data-center projects

About 15 tracked projects: 9 operating, 1 proposed, 4 status not reported. Reported operating capacity: about 40 MW. Reported planned capacity: about 55 MW.

Within 10 km: /v1/lookup section datacenters

Flood zones and wetlands

Special flood hazard areas cover about 17% of the county on the current federal flood maps, published October 2026.

Mapped wetlands cover about 11%.

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

Rail, ports and freight

  • About 230 miles of active rail, about 95 of it main line
  • About 90 miles of national freight network highway
  • 1 port area with reported cargo tonnage
  • 1 intermodal rail terminal

Within 25 km: /v1/lookup section logistics

Example requests for Hennepin 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 nearby data-center projects

/v1/lookup matches 1516 Marshall Street Northeast, Minneapolis, MN and returns the parcel's korzy_id and record, plus the data-center projects within 10 km, nearest first. 2 credits.

curl --fail-with-body -sS \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"address":"1516 Marshall Street Northeast, Minneapolis, MN","sections":["datacenters"]}' \
  https://api.korzy.co/v1/lookup
Python
import os
import requests

response = requests.post(
    "https://api.korzy.co/v1/lookup",
    json={"address": "1516 Marshall Street Northeast, Minneapolis, MN", "sections": ["datacenters"]},
    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"]["datacenters"]["status"])
Production response (trimmed)
{
  "location": {
    "longitude": -93.27185521470167,
    "latitude": 45.00317735,
    "address": "1516 Marshall Street Northeast, Minneapolis",
    "match_type": "exact"
  },
  "parcels": {
    "records": [
      {
        "id": "27053-a36395b7c02b2311476e",
        "korzy_id": "27053-a36395b7c02b2311476e",
        "parcelid": "1502924110165",
        "parceladdr": "1516 Marshall Street Northeast",
        "parcelcity": "Minneapolis",
        "situs_zip": "55413",
        "statefp": "27",
        "geoid": "27053",
        "longitude": -93.27185521470167,
        "latitude": 45.00317735,
        "usedesc": "Commercial",
        "yearbuilt": 1929,
        "taxacres": 0,
        "totalvalue": 814300,
        "land_value_usd": 469400,
        "improvement_value_usd": 344900,
        "market_value_usd": 814300,
        "saledate": "1997-01-01",
        "saleamt": 215000,
        "updated": "2026-11-03"
      }
    ],
    "truncated": false
  },
  "sections": {
    "datacenters": {
      "status": "ok",
      "data": {
        "radius_km": 10,
        "projects": [
          {
            "id": "datacenter:dc_08b66c4ec164cc6d4566",
            "project_id": "dc_08b66c4ec164cc6d4566",
            "name": "Legacy Investing North Loop (former Star Tribune printing plant)",
            "operator": "Legacy Investing",
            "status": "proposed",
            "state": "MN",
            "city": "Minneapolis",
            "address": "800 North 1st Street",
            "longitude": -93.2766429,
            "latitude": 44.9906553,
            "location_precision": "exact",
            "planned_mw": 20,
            "source_count": 1,
            "source_date": "2026-09-18",
            "mapped": true,
            "distance_km": 1.4423846535252223
          },
          {
            "id": "datacenter:dc_b33f9cbfebc8dc45ca35",
            "project_id": "dc_b33f9cbfebc8dc45ca35",
            "name": "Unnamed data center",
            "status": "unknown",
            "state": "MN",
            "longitude": -93.28029935280145,
            "latitude": 44.99142475,
            "location_precision": "footprint",
            "source_count": 2,
            "source_date": "2026-02-09",
            "mapped": true,
            "distance_km": 1.4658308022094726
          },
          {
            "id": "datacenter:dc_0419a5055974e0d2ff78",
            "project_id": "dc_0419a5055974e0d2ff78",
            "name": "Lumen Minneapolis 3",
            "operator": "Lumen Technologies",
            "status": "operating",
            "state": "MN",
            "city": "Minneapolis",
            "longitude": -93.2766103,
            "latitude": 44.9887662,
            "location_precision": "exact",
            "source_count": 1,
            "source_date": "2026-07-23",
            "mapped": true,
            "distance_km": 1.6454927793650416
          }
        ],
        "truncated": true,
        "note": "Straight-line distance to the reported project point; inspect location_precision. Projects merge supported source matches, not every nearby building. Approximate locations do not identify a parcel. Reported IT load, facility power, planned capacity and estimates remain separate source claims. No record or unknown status does not establish absence or inactivity."
      },
      "provenance": [
        {
          "dataset": "datacenters",
          "as_of": "2026-11-02",
          "data_version": "20261102T123021962884Z"
        }
      ]
    }
  },
  "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 27053-a36395b7c02b2311476e, 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":"27053-a36395b7c02b2311476e"}],"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 $KORZY_API_KEY" \
  https://api.korzy.co/v1/records/27053-a36395b7c02b2311476e
JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("27053-a36395b7c02b2311476e")}`, {
  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);

Hennepin County data questions

How many parcels in Hennepin County include year built?
About 450,000 of about 450,000 parcel records (99%) include year built.
Does the Korzy API return owner names for Hennepin County parcels?
Yes. 1% of Hennepin 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 Hennepin County?
Korzy tracks about 15 data-center projects in Hennepin County: 9 operating, 4 status not reported 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 Hennepin County?
9 operable power plants in Hennepin County total about 700 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.
Which water systems serve Hennepin County?
Service areas of about 50 community water systems cover about 54% of Hennepin County, and sewer service areas cover about 60%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.

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Build on Hennepin 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.