Official filing · original source linked

CoStar Group WARN notice — Suite 300 San Diego, 2023-05-01

Name: CoStar Group, Inc. WARN notice
Creator: California Employment Development Department

CoStar Group, Inc. reported 4 workers affected in Suite 300 San Diego. Notice date: May 1, 2023; planned effective date: Jun 30, 2023.

Raw employer name: CoStar Group, Inc.
Canonical company: CoStar Group →
Workers affected: 4
Event type: layoff
Filing status: filed
Notice / received date: May 1, 2023
Effective date: Jun 30, 2023
City: Suite 300 San Diego →
County: San Diego →
State: California →
ZIP: 92122
Reported location: Suite 300 San Diego
Published address: 8910 University Center Lane, Ste 300 San Diego CA 92122
Source classification: Layoff Permanent
Source agency: California Employment Development Department

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Original source & provenance

Open supplied source ↗

Agency source
California Employment Development Department

Source ID / record ID
ca-edd / costar-group-inc|8910-university-center-lane-suite-300-san-diego-ca-92122|2023-05-01

First ingested
Oct 6, 2026 · 16:18 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
4433c0edbae8bdabf9124035269e34959bbf61d168c248a71014d05205ce379b

View original source row

{
  "cells": {
    "notice_date": "05/01/2023",
    "received_date": "05/17/2023",
    "effective_date": "06/30/2023",
    "company": "CoStar Group, Inc.",
    "reported_location": "San Diego County",
    "workers": "4",
    "type": "Layoff Permanent",
    "address": "8910 University Center Lane, Suite 300 San Diego CA 92122"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2022-to-06-30-2023.pdf",
  "page": 37
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
CoStar GroupFulton, GASecondary · WARN Feed	3	Jan 12, 2026	Nov 11, 2025	layoffSource ↗
CoStar GroupSan Diego, CA	62	May 12, 2023	Mar 8, 2023	layoffSource ↗
CoStar GroupSuite 300 San Diego, CA	14	Jan 30, 2023	Nov 30, 2022	layoffSource ↗
CoStar GroupColumbia, MD	104	Aug 31, 2018	Jun 29, 2018	UnavailableSource ↗
CoStar GroupChicago, 222 West Adams, 15th Floor · IL recordSecondary · WARN Feed	44	Unavailable	Jan 12, 2016	UnavailableSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.