Riverside County, CA parcel and infrastructure data API

Parcel coverage in Riverside County

About 990,000 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:

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

Infrastructure in and around Riverside County

Example requests for Riverside 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 21730 BUNDY CANYON RD, WILDOMAR, CA 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=21730 BUNDY CANYON RD, WILDOMAR, CA' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "21730 BUNDY CANYON RD, WILDOMAR, CA"},
    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": "06065-919861d16ad4398b7288",
      "address": "21730 BUNDY CANYON RD",
      "city": "WILDOMAR",
      "postcode": "92595",
      "county": "Riverside",
      "statefp": "06",
      "longitude": -117.28057757238594,
      "latitude": 33.627806750000005,
      "match_type": "exact",
      "parcelid": "366210052",
      "parceladdr": "21730 BUNDY CANYON RD",
      "parcelcity": "WILDOMAR",
      "situs_zip": "92595",
      "usedesc": "Retail - General",
      "yearbuilt": 2013,
      "bldgsqft": 5280,
      "taxacres": 1.45,
      "totalvalue": 0,
      "saledate": "2006-10-19",
      "updated": "2026-10-13",
      "geoid": "06065"
    }
  ],
  "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, 06065-919861d16ad4398b7288, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-117.280578' \
  --data-urlencode 'latitude=33.627807' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-117.280578", "latitude": "33.627807", "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=-117.280578' \
  --data-urlencode 'latitude=33.627807' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-117.280578", "latitude": "33.627807"},
    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": -117.280578,
  "latitude": 33.627807,
  "matches": {
    "water": [
      {
        "feature_id": "water:5118",
        "name": "ELSINORE VALLEY MWD",
        "boundary_basis": "System Sourced"
      }
    ],
    "sewer": [
      {
        "feature_id": "sewer:4641",
        "name": "Railroad Canyon WWTP",
        "boundary_basis": "Modeled"
      }
    ]
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:9644",
      "name": "Railroad Canyon WWTP",
      "distance_km": 4.0731977744254415
    },
    {
      "feature_id": "treatment:9631",
      "name": "Perris Valley Regional WRF",
      "distance_km": 7.928165230270986
    }
  ]
}

Riverside County data questions

How many parcels in Riverside County include year built?

About 910,000 of about 990,000 parcel records (92%) include year built.

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

Riverside 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 Riverside County?

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

How much power generation is in Riverside County?

About 120 operable power plants in Riverside County total about 11,000 MW of nameplate capacity, mainly solar, battery and pumped storage and natural gas.

Which water systems serve Riverside County?

Service areas of about 120 community water systems cover about 31% of Riverside County, and sewer service areas cover about 13%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• San Diego County, CABorders Riverside County · about 1.1 million parcels
• Los Angeles County, CAabout 2.5 million parcels
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• Sacramento County, CAabout 550,000 parcels

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