CoStar: brands it owns and its ownership tree
CoStar (NASDAQ: CSGP) is a publicly listed company headquartered in Arlington, United States that owns 6 consumer brands.[1][2]
CoStar Group is an American commercial and residential real estate information and marketplace company, incorporated in Delaware and based at 1201 Wilson Boulevard, Arlington, Virginia, with its shares on the Nasdaq Global Select Market. Its core business is the subscription CoStar database, but its 10-K for 2025 groups its portals into a commercial segment (LoopNet and others) and a residential segment (Apartments.com, Homes.com, Land.com, Domain and OnTheMarket). It bought OnTheMarket in December 2023 and Domain in August 2025, and also owns Matterport, Visual Lease, BizBuySell and Ten-X.
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brands owned
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acquisitions recorded
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divestitures recorded
Company facts
- Legal name
- CoStar Group, Inc. (also CoStar Group)
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇺🇸 Arlington, United States
- Tickers
- NASDAQ: CSGP
- Revenue
- $3.25 billion (2025)[2]
- SEC CIK
- 0001057352
- Website
- www.costargroup.com
- Last verified
- · 2 sources
What CoStar's annual report says about its business
Read from CoStar's latest annual filing[1]. Each line gives the sentence the filing uses, copied word for word.
Segments the filing names
- Commercial Real Estate, Residential Real Estate:
We operate, develop products, and deliver our services in two reportable segments, Commercial Real Estate and Residential Real Estate.
Acquisitions and disposals named in the filing
- Acquired: Visual Lease (November 2024).
We acquired Visual Lease, Matterport, and Domain in November 2024, February 2025, and August 2025, respectively.
- Acquired: Matterport (February 28, 2025); Domain (August 27, 2025).
On February 28, 2025, the Company completed the Matterport Acquisition, and on August 27, 2025, the Company 22 completed the Domain Acquisition.
- Acquired: RentPath (2021), $52 million.
For example, in 2021, the FTC withheld approval for our proposed acquisition of RentPath, the purchase agreement was subsequently terminated, and we incurred a termination fee of $52 million.
CoStar in numbers
- CoStar owns 6 consumer brands tracked here across 1 top-level categories; the largest is internet & digital with 6 brands.[1]
- 2 of its brands originated outside United States.
CoStar financial history
Headline figures from CoStar's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2020–2025. Revenue moved from $1.66bn to $3.25bn, an average of 14.4% a year (calculated).
| Fiscal year ended | Revenue | Operating income | Operating margin | Net income | Total assets | Long-term debt | Filing |
|---|---|---|---|---|---|---|---|
| $3.25bn | $-72,000,000 | -2.2% | $7m | $10.5bn | $993m | 10-K | |
| $2.74bn | $5m | 0.2% | $139m | $9.26bn | $992m | 10-K | |
| $2.46bn | $282m | 11.5% | $375m | $8.92bn | $990.5m | 10-K | |
| $2.18bn | $451m | 20.7% | $369.5m | $8.4bn | $989.2m | 10-K | |
| $1.94bn | $432.3m | 22.2% | $292.6m | $7.26bn | $987.9m | 10-K | |
| $1.66bn | $289.2m | 17.4% | $227.1m | $6.92bn | $986.7m | 10-K |
Source: SEC XBRL company facts. A dash means the company did not report that line in a form we could read. Figures for a year can be restated in a later filing; the latest filing's number is shown.
Everything CoStar owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Full-screen interactive tree → · Download as infographic
Brand portfolio by category
Recent changes to this record
CoStar SEC filings
The documents behind the figures on this page, as listed in the SEC's EDGAR index. Each links to the filing itself.
Annual reports
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
Proxy statements
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
Recent current and quarterly reports
| Filed | Form | What it declares |
|---|---|---|
| 8-K | Regulation FD disclosure | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition | |
| 8-K | Departure or appointment of directors or officers; Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers; Results of a shareholder vote; Regulation FD disclosure | |
| 8-K | Entry into a material agreement; Regulation FD disclosure | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers; Regulation FD disclosure | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers | |
| 8-K | Departure or appointment of directors or officers; Regulation FD disclosure | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure |
Frequently asked questions
What brands does CoStar own?
CoStar owns 6 consumer brands tracked here, including Apartments.com, Domain, Land.com, Homes.com, OnTheMarket and LoopNet.
Is CoStar an American company?
Yes. CoStar is headquartered in Arlington, United States.
Who owns CoStar?
CoStar is a publicly listed company owned by its shareholders; it trades as CSGP on the NASDAQ.
Sources (2) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] CoStar Group, Inc. Annual Report on Form 10-K filed 2026-02-26 — SEC EDGAR, SEC Form 10-K, published 26 February 2026; retrieved 2 October 2026.
- [2] CoStar Group, Inc.: Form 10-K for the year ended 2025-12-31 (revenue) — SEC EDGAR, SEC Form 10-K, published 26 February 2026; retrieved 4 October 2026.
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