CoStar Group — Q3 2026 Earnings Summary
Financial Performance:
- Revenue for the quarter ended September 30, 2026, was $952 million, a 14% increase year-over-year from $834 million.
- Net income was $74 million, an increase of $105 million year-over-year from a loss of $31 million.
- Earnings per diluted share were $0.18 for the quarter.
- Adjusted Net Income rose to $153 million, up 59% year-over-year.
- Adjusted EPS was $0.38, up 65% year-over-year.
- EBITDA was $179 million, up $166 million year-over-year.
- Adjusted EBITDA reached a record $229 million, doubling from the prior year period.
- Net new bookings were $37 million for the quarter.
- Cash and cash equivalents were $500 million as of September 30, 2026, down from $1,633 million at December 31, 2025.
- Long-term debt, net, was $994 million as of September 30, 2026, compared to $993 million at December 31, 2025.
- Deferred revenue was $250 million as of September 30, 2026, up from $205 million at December 31, 2025.
- Net cash provided by operating activities for the nine months ended September 30, 2026, was $455 million, compared to $268 million in the prior year period.
- Net cash used in investing activities for the nine months ended September 30, 2026, was $981 million, primarily driven by $789 million in cash paid for acquisitions.
- Net cash used in financing activities for the nine months ended September 30, 2026, was $706 million, including $668 million in stock repurchases.
Guidance and Future Outlook:
- Full-year 2026 Adjusted EBITDA guidance raised to $820 million to $840 million, representing a $30 million increase at the midpoint from July 2026 guidance.
- Full-year 2026 revenue guidance raised to $3.75 billion to $3.77 billion, representing approximately 16% year-over-year growth at the midpoint.
- Full-year 2026 Adjusted EPS guidance raised to $1.38 to $1.41 based on 405 million shares.
- Q4 2026 Adjusted EBITDA guidance set at $275 million to $295 million, representing a 29% margin at the midpoint.
- Q4 2026 revenue guidance set at $976 million to $996 million, representing approximately 10% year-over-year growth at the midpoint.
- Q4 2026 Adjusted EPS guidance set at $0.46 to $0.50 based on 400 million shares.
- Management expects to realize an additional $200 million in cost savings over the next 12 to 18 months.
- The company remains on track to achieve a 2028 Adjusted EBITDA target of $1.25 billion.
- Total anticipated cost savings for 2026 are approximately $150 million versus original guidance.
Business Segments and Product Lines:
- Commercial Real Estate revenue was $492 million for the quarter, up from $461 million in the prior year period.
- Residential Real Estate revenue was $460 million for the quarter, up from $373 million in the prior year period.
- Commercial Real Estate Adjusted EBITDA was $180 million for the quarter, compared to $183 million in the prior year period.
- Residential Real Estate Adjusted EBITDA was $49 million for the quarter, compared to a loss of $69 million in the prior year period.
- The company leverages AI and proprietary ground truth data to provide value to information clients.
- Global scale enables the delivery of best-in-class consumer-facing AI functionality at lower costs than competitors.
- The acquisition of Zonda and the agreement to acquire Vexcel are cited as enhancements to proprietary datasets and global scale.
Market and Competitive Landscape:
- CoStar Group is described as a leading global provider of online real estate marketplaces, information, analytics, and 3D digital twin technology.
- The company's websites attracted 121 million average monthly unique visitors in the third quarter of 2026.
- Management states the company has a unique competitive advantage in providing value to information clients through AI and data.
- The company believes its global scale allows for lower-cost delivery of consumer-facing AI functionality compared to competitors.
Risks and Challenges:
- The release notes risks related to AI technologies, including potential delays or changes to the CoStar AI launch.
- Risks include the inability to successfully identify, finance, integrate, and manage costs related to acquisitions, including the potential inability to complete the Vexcel acquisition.
- Potential risks involve the inability to realize benefits from acquisitions of Matterport, Domain, Zonda, or Vexcel.
- Risks include the inability to attract and retain new clients, advertisers, or qualified sales and management personnel.
- Market cyclicality, global economic uncertainties, and downturns in the real estate industry are cited as potential risks.
- Risks associated with cyberattacks, security vulnerabilities, and technical problems or disruptions are noted.
- The company faces risks related to the inability to maintain or increase internet traffic to its marketplaces and the accuracy of visitor measurement methods.
- Risks include the inability to enforce or defend intellectual property ownership and the effects of new technologies on data protection.
- Risks related to compliance with Multiple Listing Services rules, open source software, international operations, and foreign currency fluctuations are mentioned.
- The company's indebtedness and the effects of rating agency actions on debt securities are noted as risks.
- Risks related to privacy or data protection laws and changes in tax laws are included.
- The Stock Repurchase Program may be suspended or discontinued at the Company's discretion.
Management Commentary and Tone:
- Andy Florance, Founder and CEO, stated the company generated "outstanding profitability growth" and delivered on its commitment to expand margins.
- Management expressed confidence in the strategy to fuel future growth through AI and proprietary data.
- Florance noted that Adjusted EBITDA was "considerably above the high end" of the previous guidance range.
- Management highlighted significant additional efficiencies achieved in the quarter.
- The tone reflects confidence in the ability to improve efficiency without sacrificing revenue growth.
Other Key Points:
- The company changed its segment composition from geography-based to product portfolio-based in the fourth quarter of 2025 and recast prior period disclosures.
- Major brands include CoStar, LoopNet, Apartments.com, Homes.com, Domain, Matterport, STR, Zonda, Ten-X, and OnTheMarket.
- The company acquired Zonda and has an agreement to acquire Vexcel Group, Inc.
- The company repurchased $668 million of stock during the nine months ended September 30, 2026.
- Litigation accrual was reduced to $0 from $99 million at December 31, 2025.
- The assumed tax rate for non-GAAP measures is 26% for the full year and fourth quarter of 2026.
- Management will conduct a conference call on October 27, 2026, at 5:00 PM ET.
- Company
- COSTAR GROUP INC
- Sector
- Real Estate
- Industry
- Real Estate Services