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CoStar Group, Inc.: Business Overview, Financials & Competitive Analysis

CoStar Group, Inc. scores 7/10 on the AskCyborg Cyborg Score (Strong). Strong revenue growth and dramatic EBITDA expansion driven by AI efficiencies and core subscription strength, offset by margin pressures and Homes.com investment challenges. CoStar is guiding to 2026 revenue of $3.78-$3.82 billion, representing approximately 18% year-over-year growth. Adjusted EBITDA is expected to increase 83% to $770 million, a 20%.

What is CoStar Group, Inc.'s industry? CoStar Group, Inc. (costargroup.com) operates in Real Estate Information, Analytics & Online Marketplaces. AskCyborg classifies CoStar Group, Inc. under Real Estate Information, Analytics & Online Marketplaces in its company registry.

CoStar Group is a leading provider of online real estate marketplaces, information, analytics, and 3D digital twin technology in the property markets. The company has built an international network of over 27 internat...

7/ 10Strong

Cyborg Score thesis

Strong revenue growth and dramatic EBITDA expansion driven by AI efficiencies and core subscription strength, offset by margin...

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Industry Real Estate Information, Analytics & Online Marketplaces
4 named competitors
3 recent developments
11 analyst dimensions
Synthesized from analyst-debate stress-testing across 11 dimensions and hundreds of data points. Methodology →
Cyborg Score recalibrated: September 14, 2026
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CoStar Group, Inc. OverviewStrategic ProfileCompetitive LandscapeIndustry ContextKey facts
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CoStar Group, Inc. Overview

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CoStar Group is a leading provider of online real estate marketplaces, information, analytics, and 3D digital twin technology in the property markets. The company has built an international network of over 27 internationally recognized brands, streamlining and improving data, analytics and marketplaces to create best-in-class products across all real estate asset types. CoStar Group has a long growth runway with an addressable market for global real estate information and marketplaces of over $100 billion.

Strategic Profile

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CoStar Group's core business has strong momentum driven by its high-growth, high-margin subscription business model that continues to deliver excellent customer retention resulting in predictable and resilient revenue streams. The company is deploying comprehensive AI across CoStar Group to drive revenue growth and reduce costs, with already-achieved efficiencies in content creation, research of public records, writing code, and lease data extraction, and plans to make AI enhancements to the user experience on all marketplace platforms.

Competitive Landscape

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Major brands include CoStar (commercial real estate data and analytics), LoopNet (commercial real estate marketplace), Apartments.com (apartment rentals), Homes.com (residential marketplace), Domain (Australian property marketplace), Matterport (spatial data company), and STR (hospitality data). The company competes primarily against Zillow, Redfin, and Realogy in residential and broader data/analytics providers in commercial real estate.

Industry Context

CoStar Group, Inc. operates in Real Estate Information, Analytics & Online Marketplaces.

Key facts

Founded: 1986 · Headquarters: Arlington, Virginia · Employees: 1,500+ · Revenue: $3.06B · Market cap: $27.6B

What the analysts stress-tested

The top findings that survived the multi-agent debate for CoStar Group, Inc..

  • 2026 Adjusted EBITDA guidance of $770M represents the highest in company history with an 83% increase year-over-year, driven by cost reduction and margin expansion initiatives.
  • CoStar plans to reduce net investment in Homes.com by $300M in 2026 and $100M+ annually thereafter to achieve breakeven profitability exiting 2029.
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Recent developments

Material events tracked by the AskCyborg corpus.

  • January 2026Announced new $1.5 billion share repurchase program.
  • January 2026Adjusted EBITDA expected to increase 83% to $770 million with 20% margin.
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Named competitors

Pulled from the analyst-debate framework. Click any competitor to see their Cyborg Score.

ZillowLeading residential real estate marketplace and analytics platform→RedfinReal estate brokerage and marketplace platform→CoreLogicProperty data and analytics provider→Black KnightMortgage and real estate technology platform→

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Industry context

CoStar Group, Inc. operates in Real Estate Information, Analytics & Online Marketplaces. See how the rest of the sector scores on the Cyborg framework.

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Frequently asked questions

What does CoStar Group, Inc. do?+
CoStar Group is a leading provider of online real estate marketplaces, information, analytics, and 3D digital twin technology in the property markets. The company has built an international network of over 27 internat...
What is CoStar Group, Inc.'s Cyborg Score?+
CoStar Group, Inc. has a Cyborg Score of 7/10 (Strong). The score synthesizes business model, financials, leadership, competitive position, technology, marketing, and ESG dimensions across hundreds of data points.
Who are CoStar Group, Inc.'s main competitors?+
Named competitors include Zillow, Redfin, CoreLogic, Black Knight. The full competitive landscape is in the AskCyborg report.
How can I get the full CoStar Group, Inc. research report?+
Get the report plus analyst-debate audio at askcyborg.com -- no credit card required for preview access. Pro adds saved-company audio playlists and monitoring.
How current is the CoStar Group, Inc. research?+
The Cyborg Score is recalibrated weekly. Recent developments are tracked continuously and surfaced in every report.

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More Real Estate Information research

Companies in the same sector and named competitors, ranked by Cyborg Score.

8Zillow Group, Inc.