CSGP

CoStar Group, Inc.

Real Estate · $10.9B market cap

Verdict

We can't put a fair value on CSGP right now. Our real estate valuation came out more than 3× away from the share price, and no other method fits a property business. We'd rather show nothing than a misleading number.

Business quality

4 of 5 clear the 10% bar. What are the Big Five?

Earnings per share growth23.1% a year✓
Equity per share growth17.7% a year✓
Sales growth18.1% a year✓
Free cash flow growth20.9% a year✓
Return on invested capital0.8%✗

Follow CSGP

Track it on your watchlist and see the full analysis. Free.

Create a free account

Superinvestors

4 of the investors we track hold CSGP. In Q2 2026, 2 added, 2 trimmed and 2 sold out. Who we track

About CoStar Group, Inc.

CoStar Group, Inc. (CSGP) stands as a premier global provider of comprehensive information, sophisticated analytics, and dynamic online marketplace services. The company caters to professionals within the commercial real estate, hospitality, residential, and related industries, extending its reach across the United States, Canada, Europe, the Asia Pacific region, and Latin America. Its diverse suite of offerings…

Real Estate - Services

Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works