Clackamas County, OR parcel and infrastructure data API

Parcel coverage in Clackamas County

About 190,000 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:

Clackamas County records do not include owner names. See pricing for credit costs.

Infrastructure in and around Clackamas County

Example requests for Clackamas 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 4100 SE ROETHE RD, MILWAUKIE, 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=4100 SE ROETHE RD, MILWAUKIE, OR' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "4100 SE ROETHE RD, MILWAUKIE, 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": "41005-dd45a5c8c563253b1a7e",
      "address": "4100 SE ROETHE RD",
      "city": "MILWAUKIE",
      "postcode": "97267",
      "county": "Clackamas",
      "statefp": "41",
      "longitude": -122.6204630338363,
      "latitude": 45.39742535,
      "match_type": "exact",
      "parcelid": "00293907",
      "parceladdr": "4100 SE ROETHE RD",
      "parcelcity": "MILWAUKIE",
      "situs_zip": "97267",
      "usedesc": "Industrial land improved",
      "land_use_code": "301",
      "yearbuilt": 1978,
      "bldgsqft": 0,
      "taxacres": 0,
      "totalvalue": 2775438,
      "land_value_usd": 1029038,
      "improvement_value_usd": 1746400,
      "assessed_value_usd": 1341478,
      "saledate": "2012-04-24",
      "saleamt": 1090000,
      "updated": "2026-11-02",
      "geoid": "41005"
    }
  ],
  "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, 41005-dd45a5c8c563253b1a7e, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-122.620463' \
  --data-urlencode 'latitude=45.397425' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-122.620463", "latitude": "45.397425", "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=-122.620463' \
  --data-urlencode 'latitude=45.397425' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-122.620463", "latitude": "45.397425"},
    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": -122.620463,
  "latitude": 45.397425,
  "matches": {
    "water": [
      {
        "feature_id": "water:43650",
        "name": "OAK LODGE WATER SERVICES",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:13238",
        "name": "TRYON CREEK STP",
        "boundary_basis": "Modeled"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:8198",
      "name": "TRI CITY WPCP",
      "distance_km": 3.4048397475658976
    },
    {
      "feature_id": "treatment:8202",
      "name": "OAK LODGE STP",
      "distance_km": 3.8284102277406613
    }
  ]
}

Clackamas County data questions

How many parcels in Clackamas County include year built?

About 160,000 of about 190,000 parcel records (82%) include year built.

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

Clackamas 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 Clackamas County?

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

How much power generation is in Clackamas County?

About 35 operable power plants in Clackamas County total about 280 MW of nameplate capacity, mainly hydro and solar.

Which water systems serve Clackamas County?

Service areas of about 70 community water systems cover about 9% of Clackamas County, and sewer service areas cover about 13%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• Marion County, ORBorders Clackamas County · about 120,000 parcels
• Multnomah County, ORBorders Clackamas County · about 280,000 parcels
• Washington County, ORBorders Clackamas County · about 190,000 parcels
• Umatilla County, ORabout 40,000 parcels

All featured Oregon counties