What is CoStar Group?
Real estate data, analytics, and marketplaces company serving commercial brokers, landlords.
- Category
- Real estate data, analytics, and marketplaces
- Headquarters
- Arlington, VA
- Founded
- 1987
- Employees
- 6,000+
- Total funding
- Public company; no VC funding
- Status
- NASDAQ: CSGP; public company
What is CoStar Group?
CoStar Group is a public real estate data, analytics, and marketplaces company. Its current public-company scale signal is 2025 revenue up 19% year over year and Q1 2026 revenue of $897M, up 23%.
CoStar Group is a public real estate data, analytics, and marketplaces company headquartered in Arlington, VA. Its current scale signal is 2025 revenue up 19% year over year and Q1 2026 revenue of $897M, up 23%, and its customer base includes commercial brokers, landlords, lenders, property managers, apartment operators, home buyers, agents, advertisers, and real-estate investors. The company operates through regulated, enterprise, or asset-intensive channels where trust, distribution, capital discipline, and operational reliability matter as much as product packaging.
The operating model is built around subscription data, marketplace advertising, listings, research, lead generation, enterprise analytics, and residential portal monetization. For sellers, that means the relevant buying centers are usually finance, risk, operations, technology, data, procurement, and the business unit that owns customer or asset performance. As of June 2026, the page should be read as a public-company snapshot rather than a startup profile: SEC filings, investor relations materials, official leadership pages, and public career/technology signals are the highest-confidence sources.
What does CoStar Group offer?
CoStar Group offers CoStar Suite, LoopNet, Apartments.com, Homes.com, STR, and related services for its core customer base.
- CoStar Suite· Core offering
- LoopNet· Core offering
- Apartments.com· Core offering
- Homes.com· Adjacent offering
- STR· Adjacent offering
- Ten-X· Adjacent offering
- BizBuySell· Platform/service
- Real estate analytics· Platform/service
How does CoStar Group make money?
CoStar Group monetizes through subscription data, marketplace advertising, listings, research, lead generation, enterprise analytics, and residential portal monetization.
CoStar Group makes money through subscription data, marketplace advertising, listings, research, lead generation, enterprise analytics, and residential portal monetization. CoStar and LoopNet subscriptions are seat/enterprise priced; Apartments.com and Homes.com monetize advertising, leads, and marketplace packages. Because CoStar Group is public, the highest-quality unit-economic signals are revenue mix, margins, capital intensity, client assets or property metrics, retention, claims/loss ratios, transaction activity, or recurring subscription mix depending on the segment.
Growth is driven by distribution reach, pricing discipline, product breadth, technology investment, regulatory execution, and the durability of customer relationships. Vendor pitches should connect directly to measurable outcomes: lower operating cost, better risk selection, faster claims or workflow throughput, higher client retention, stronger data products, higher asset utilization, or more resilient infrastructure.
Who leads CoStar Group?
CoStar Group is led by Andy Florance, with finance, operations, technology, and business-unit executives shaping major buying decisions.
- Andy FloranceFounder, President & Chief Executive OfficerFounder; CEO since 1987Leads strategy across commercial data, marketplaces, and residential portal expansion.
- Chris LownChief Financial OfficerCFO since 2021Leads finance, capital allocation, investor relations, and profitability roadmap.
- Lisa RugglesSenior Vice President, Global ResearchSenior research executiveLeads data collection and research quality across property categories.
- David MelePresident, Homes.comSenior executiveLeads the residential marketplace strategy and Homes.com growth execution.
How do you contact CoStar Group's leadership?
CoStar Group publishes company-level investor or media contact routes, but it does not publish personal executive emails as the default way to reach leadership. Use the public company contact listed here and treat any personal-address pattern as unverified unless the company publishes it.
getrich@costar.com is a published IR contact; personal executive format not verifiedHow much funding has CoStar Group raised?
CoStar Group is a public company, not a venture-backed startup; its relevant capital profile is NASDAQ: CSGP public-market status.
CoStar is a public software/data and marketplace company. Its capital profile is public equity, cash flow, acquisitions, portal investment, buybacks, and shareholder pressure around capital allocation and Homes.com investment. There is no meaningful venture-funding round history to enumerate; the major capital events are public-market listing history, acquisitions, strategic portfolio moves, debt issuance, dividends, and buybacks.
For sales planning, this is usually a positive capacity signal but not a blank-check signal. CoStar Group can fund enterprise systems and strategic programs, yet procurement will expect public-company controls, security diligence, compliance review, integration clarity, and a business case tied to the metrics investors already watch.
How did CoStar Group get here?
CoStar Group's history is defined by founding scale, public-market milestones, strategic acquisitions or expansions, and current 2025/2026 operating results.
- 1987FoundedAndy Florance founds CoStar to digitize commercial real-estate information.
- 1998IPOCoStar becomes public on NASDAQ.
- 2012LoopNet acquisitionCoStar acquires LoopNet and deepens commercial listing reach.
- 2014Apartments.com acquisitionCoStar enters apartment marketplaces at scale.
- 2021Homes.com acquisitionCoStar acquires Homes.com and invests heavily in residential search.
- 2026Q1 growthCoStar reports Q1 2026 revenue of $897M, up 23% year over year.
Who are CoStar Group's competitors?
CoStar Group competes with peers that sell to similar customers, own adjacent assets, or provide substitute data, insurance, financial, exchange, real-estate, or infrastructure workflows.
- ZillowResidential real-estate marketplace competing for consumer search, agent advertising, and rentals.
- CREXiCommercial real-estate marketplace competing for listings, sales, and leasing workflows.
- YardiProperty-management, multifamily, and real-estate software/data competitor.
- Altus GroupCommercial real-estate valuation, analytics, and asset-management software competitor.
- Realtor.comResidential listings portal competing with Homes.com for consumer and agent attention.
CoStar Group — frequently asked questions
