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COSTAR GROUP, INC. (CSGP)

$33.70 -0.65% NASDAQ: CSGP · 15-min delayed

ARLINGTON, Virginia
Public · NASDAQ: CSGP
8,000 employees

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$11.3BMarket cap

$3.2BRevenue · FY2025

$7.0MNet income

8,000Employees

CSGPNASDAQ

1998IPO

About COSTAR GROUP, INC.

CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.

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Company facts

Type: Public · NASDAQ: CSGP
Employees: 8,000
IPO date: Jul 1, 1998
Headquarters: 1201 WILSON BLVD.
ARLINGTON, Virginia 22209
Phone: (202) 346-6500
Industry: Professional Services
Website: Visit site

Incorporation record

Incorporated in: DE, United States
Registered office: Wilmington, US
Legal entity ID: 984500Q1D53D08E2E698

Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters does not always mean US incorporation.

Registry IDs

Ticker: CSGP Nasdaq
SEC CIK: 1057352
LEI: 984500Q1D53D08E2E698
EIN: 522091509
SIC: 7389 SERVICES-BUSINESS SERVICES, NEC

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Reported figures

Financial summary

Revenue FY2025: $3.2B
Net income: $7.0M
Total assets: $10.5B
Market cap: $11.3B

Source: SEC EDGAR · updated Jun 7, 2026

NASDAQ: CSGP

$33.70 -0.65%

15-minute delayed · data by Polygon.io

Past year · hover for prices

$26.95 $86.31

52-week range

Market cap: $11.3B
Shares outstanding: 335.2M
Open: —
Day range: –
Prev close: —
Volume: —
IPO date: Jul 1, 1998

Costar Group, Inc. (CSGP) Stock Price

Profitable — net income of $7.0M in FY2025.
Trading 61% below its 52-week high.

Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.

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Newsroom

News about COSTAR GROUP, INC.

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FAQ

Costar Group, Inc.: frequently asked questions

Is Costar Group, Inc. an American company?

Costar Group, Inc. is a US-based company headquartered in Arlington, Virginia, listed in the americancompanies.com directory of American companies. Its American-origin credentials have not yet been independently verified.

Where is Costar Group, Inc. headquartered?

Costar Group, Inc. is headquartered in Arlington, Virginia, United States.

Is Costar Group, Inc. publicly traded?

Yes — Costar Group, Inc. is a publicly traded company. Its stock trades under the ticker symbol CSGP on the NASDAQ.

What does Costar Group, Inc. do?

Costar Group, Inc. is an American Professional Services company in the Business & Financial Services sector.

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