Marion County, OR parcel and infrastructure data API

Parcel coverage in Marion County

About 120,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from October 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. 75% of Marion County records carry an owner name.

Infrastructure in and around Marion County

Example requests for Marion 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 2470 LANCASTER DR NE, SALEM, OR 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=2470 LANCASTER DR NE, SALEM, OR' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "2470 LANCASTER DR NE, SALEM, OR"},
    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": "41047-6b13097fbd914fb6f22f",
      "address": "2470 LANCASTER DR NE",
      "city": "SALEM",
      "postcode": "97305",
      "county": "MARION",
      "statefp": "41",
      "longitude": -122.98182505527994,
      "latitude": 44.9591493002099,
      "match_type": "exact",
      "parcelid": "072W18CA00900",
      "parceladdr": "2470 LANCASTER DR NE",
      "parcelcity": "SALEM",
      "situs_zip": "97305",
      "usedesc": "SCHOOLS - PUBLIC & PRIVATE IMPROVED",
      "land_use_code": "921",
      "zoning_code": "MU-III",
      "yearbuilt": 2011,
      "bldgsqft": 9318,
      "taxacres": 2.97,
      "totalvalue": 1394070,
      "land_value_usd": 332790,
      "improvement_value_usd": 1075720,
      "assessed_value_usd": 0,
      "market_value_usd": 1408510,
      "saledate": "2002-01-14",
      "saleamt": 2800000,
      "updated": "2026-10-25",
      "geoid": "41047"
    }
  ],
  "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, 41047-6b13097fbd914fb6f22f, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-122.981825' \
  --data-urlencode 'latitude=44.959149' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-122.981825", "latitude": "44.959149", "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=-122.981825' \
  --data-urlencode 'latitude=44.959149' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-122.981825", "latitude": "44.959149"},
    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": -122.981825,
  "latitude": 44.959149,
  "matches": {
    "water": [
      {
        "feature_id": "water:884",
        "name": "SALEM PUBLIC WORKS",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:13246",
        "name": "SALEM WILLOW LAKE STP",
        "boundary_basis": "Modeled"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:8218",
      "name": "SALEM WILLOW LAKE STP",
      "distance_km": 7.680579812779168
    },
    {
      "feature_id": "treatment:8262",
      "name": "BROOKS SEWAGE TREATMENT PLANT",
      "distance_km": 9.999957229161929
    }
  ]
}

Marion County data questions

How many parcels in Marion County include year built?

About 91,000 of about 120,000 parcel records (76%) include year built.

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

Yes. 75% of Marion 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 Marion County?

Korzy tracks 3 data-center projects in Marion County: 2 status not reported and 1 proposed. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Marion County?

About 30 operable power plants in Marion County total about 180 MW of nameplate capacity, mainly hydro, solar and other fuels.

Which water systems serve Marion County?

Service areas of about 70 community water systems cover about 7% of Marion County, and sewer service areas cover about 17%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• Clackamas County, ORBorders Marion County · about 190,000 parcels
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