Salt Lake County, UT parcel and infrastructure data API
Korzy has about 400,000 parcel records for Salt Lake County, Utah, with source updates through September 2026. Nearly every record carries values and land use; 88% include year built and 88% include building size. In and around the county the API also maps about 25 data-center projects (20 operating and 1 under construction); about 15 power plants with about 1,000 MW of capacity, led by natural gas; and about 240 miles of active rail. 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 Salt Lake County
About 400,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from September 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:
| Field | Coverage | Share |
|---|---|---|
| Situs address | Nearly all · 99% | |
| Owner name | Not published | |
| Assessed or market value | Nearly all · 99% | |
| Year built | Most · 88% | |
| Building size | Most · 88% | |
| Last sale | Not published | |
| Land use | Nearly all · 99% | |
| Zoning | Not published |
Salt Lake County records do not include owner names. See pricing for credit costs.
Infrastructure in and around Salt Lake County
Power plants
About 15 operable plants with about 1,000 MW of nameplate capacity; largest by capacity: natural gas, battery and pumped storage, other fuels. Proposed generators add 2 MW.
Within 50 km: /v1/lookup section power; details: /v1/records/{id}
Substations and transmission
About 340 in-service substations, 8 rated 230 kV or higher.
About 930 miles of transmission lines: about 320 mi at under 100 kV; about 440 mi at 100–161 kV; 2 mi at 220–287 kV; about 170 mi at 345 kV.
Water and sewer service
Service areas of about 40 community water systems cover about 48% of the county.
Sewer service areas of 7 systems cover about 39%.
At an address or point: /v1/lookup section utilities
Data-center projects
About 25 tracked projects: 20 operating, 1 under construction, 1 status not reported. Reported operating capacity: about 310 MW. Reported planned capacity: about 360 MW.
Within 10 km: /v1/lookup section datacenters
Flood zones and wetlands
Special flood hazard areas cover about 12% of the county on the current federal flood maps, published July 2026.
Mapped wetlands cover about 3%.
At an address or point: /v1/lookup section environment
Rail, ports and freight
- About 240 miles of active rail, about 110 of it main line
- About 95 miles of national freight network highway
- 1 intermodal rail terminal
Within 25 km: /v1/lookup section logistics
Example requests for Salt Lake 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 745 W ANDERSON AVE, Murray, UT 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":"745 W ANDERSON AVE, Murray, UT","sections":["datacenters"]}' \
https://api.korzy.co/v1/lookupPython
import os
import requests
response = requests.post(
"https://api.korzy.co/v1/lookup",
json={"address": "745 W ANDERSON AVE, Murray, UT", "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": -111.91246882343796,
"latitude": 40.6469415,
"address": "745 W ANDERSON AVE, Murray",
"match_type": "exact"
},
"parcels": {
"records": [
{
"id": "49035-cc00f7201b6fab5d6515",
"korzy_id": "49035-cc00f7201b6fab5d6515",
"parcelid": "21142790200000",
"parceladdr": "745 W ANDERSON AVE",
"parcelcity": "Murray",
"situs_zip": "84123",
"statefp": "49",
"geoid": "49035",
"longitude": -111.91246882343796,
"latitude": 40.6469415,
"usedesc": "SCHOOL",
"land_use_code": "Tax Exempt - Government",
"yearbuilt": 1993,
"bldgsqft": 54441,
"taxacres": 8.63,
"totalvalue": 9009600,
"land_value_usd": 2501000,
"market_value_usd": 9009600,
"updated": "2026-09-29"
}
],
"truncated": false
},
"sections": {
"datacenters": {
"status": "ok",
"data": {
"radius_km": 10,
"projects": [
{
"id": "datacenter:dc_6ec7e50c2aa52a56468a",
"project_id": "dc_6ec7e50c2aa52a56468a",
"name": "CirrusDS View 78 Data Center",
"operator": "Cirrus Data Services",
"status": "operating",
"state": "UT",
"city": "Midvale",
"longitude": -111.8994,
"latitude": 40.6111,
"location_precision": "approximate",
"operational_mw": 32,
"planned_mw": 112,
"source_count": 1,
"source_date": "2026-08-25",
"mapped": true,
"distance_km": 4.135185265314095
},
{
"id": "datacenter:dc_b01a6f95df95d5e45328",
"project_id": "dc_b01a6f95df95d5e45328",
"name": "Flexential Salt Lake City - Millcreek",
"operator": "Flexential",
"status": "operating",
"state": "UT",
"city": "Salt Lake City",
"address": "3949 South 200 East",
"longitude": -111.88506468204031,
"latitude": 40.6857603,
"location_precision": "footprint",
"operational_mw": 1.92,
"source_count": 3,
"source_date": "2026-09-21",
"mapped": true,
"distance_km": 4.896345347824657
},
{
"id": "datacenter:dc_6779092645c111d9ead9",
"project_id": "dc_6779092645c111d9ead9",
"name": "Oracle West Jordan Data Center (Project Sequoia)",
"operator": "Oracle",
"status": "operating",
"state": "UT",
"city": "West Jordan",
"longitude": -111.93952,
"latitude": 40.60613,
"location_precision": "approximate",
"source_count": 1,
"source_date": "2026-08-15",
"mapped": true,
"distance_km": 5.079925712176205
}
],
"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 value and sale fields
/v1/enrich returns the fields you choose for up to 25 parcels per request; here the parcel 49035-cc00f7201b6fab5d6515. 1 credit.
curl --fail-with-body -sS \
-H "Authorization: Bearer $KORZY_API_KEY" \
-H "Content-Type: application/json" \
-d '{"items":[{"korzy_id":"49035-cc00f7201b6fab5d6515"}],"fields":["identity","value","sale"]}' \
https://api.korzy.co/v1/enrich3. 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 $KORZY_API_KEY" \
https://api.korzy.co/v1/records/49035-cc00f7201b6fab5d6515JavaScript
const response = await fetch(`https://api.korzy.co/v1/records/${encodeURIComponent("49035-cc00f7201b6fab5d6515")}`, {
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);Salt Lake County data questions
- How many parcels in Salt Lake County include year built?
- About 350,000 of about 400,000 parcel records (88%) include year built.
- Does the Korzy API return owner names for Salt Lake County parcels?
- Salt Lake 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 Salt Lake County?
- Korzy tracks about 25 data-center projects in Salt Lake County: 20 operating, 1 under construction and 1 status not reported. A /v1/lookup with the datacenters section lists projects within 10 km of any address or point.
- How much power generation is in Salt Lake County?
- About 15 operable power plants in Salt Lake County total about 1,000 MW of nameplate capacity, mainly natural gas, battery and pumped storage and other fuels.
- Which water systems serve Salt Lake County?
- Service areas of about 40 community water systems cover about 48% of Salt Lake County, and sewer service areas cover about 39%. A /v1/lookup with the utilities section returns the water and sewer matches at an address or point.
More featured counties
- Utah County, UTBorders Salt Lake County · about 280,000 parcels
Build on Salt Lake 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.