CoStar Group's first quarter 2026 adjusted EPS beat estimates by 28% on 23% revenue growth, driven by residential strength.

CoStar Group reported first quarter 2026 revenue of $897 million, a 23% increase year-over-year, and an adjusted EPS of $0.23. While revenue was in line with consensus, adjusted EPS significantly surpassed analyst expectations of $0.18.

Key Highlights

• Adjusted EBITDA for the quarter doubled to $132 million, a 100% increase from the prior year, as the company shows significant operating leverage following its investment phase.
• The company's key Residential segment, featuring Homes.com, drove growth with revenue of $425 million. Homes.com saw organic traffic increase 119% and membership grow over 200% year-over-year to 35,000 members.
• CoStar Group raised its full-year 2026 Adjusted EBITDA guidance by $30 million at the midpoint to a new range of $780 million to $820 million.