Increased Competition Risk: The commercial and residential real estate information markets are highly competitive, potentially leading to pricing pressure, loss of market share, and increased spending on sales and marketing.

Real Estate Market Volatility Risk: Downturns, stagnation, or significant disruptions in commercial or residential real estate markets could reduce demand for CoStar's data, analytics, and marketing services, impacting revenue.

Acquisition Integration Challenges Risk: CoStar frequently acquires businesses; difficulties in successfully integrating new operations, technologies, personnel, and achieving expected synergies could impair financial performance and growth.