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On the Record · Costar Group

Costar Group acquisitions, on the record

The businesses Costar Group bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.

Deals its annual reports describe

BusinessDealWhenValue
Homes.com
Word for word“Homes.com Acquisition CRI's acquisition of Homes.com completed on May 24, 2021 pursuant to a securities purchase agreement dated April 14, 2021 between Landmark, Homes Group, LLC and CRI” 10-K for 2023
acquisitioncompleted on May 24, 2021—
BureauxLocaux
Word for word“BureauxLocaux Acquisition CoStar UK's acquisition of BureauxLocaux completed on October 1, 2021 pursuant to a Share Sale and Purchase Agreement dated October 1, 2021 between CoStar UK, M.A.J.E. Marketing & Strategie and an individual” 10-K for 2023
acquisitioncompleted on October 1, 2021—
Business Immo
Word for word“Business Immo Acquisition CoStar UK's acquisition of the issued share capital of Business Immo on April 5, 2022” 10-K for 2023
acquisitionon April 5, 2022—
OnTheMarket
Word for word“OnTheMarket Acquisition CoStar UK's acquisition of OnTheMarket completed in December 2023, pursuant to Rule 2.7 of the United Kingdom City Code on Takeovers and Mergers.” 10-K for 2023
acquisitioncompleted in December 2023—
Homesnap, Inc.
Word for word“Homesnap Acquisition CRI's acquisition of Homesnap completed on December 22, 2020, pursuant to an Agreement and Plan of Merger dated November 20, 2020 between CRI, Halo Merger Sub Corp and Homesnap, Inc.” 10-K for 2023
acquisitioncompleted on December 22, 2020—
Ten-X
Word for word“Ten-X Acquisition CRI's acquisition of Ten-X completed on June 24, 2020, pursuant to an Agreement and Plan of Merger dated May 13, 2020 between CRI, Crescendo Sub, Inc, and Ten-X” 10-K for 2023
acquisitioncompleted on June 24, 2020—
RentPath
Word for word“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.” 10-K for 2023
agreed acquisition——
Matterport, Inc.
Word for word“The Agreement and Plan of Merger dated as of April 21, 2024, by and among the Company, Matterport, Merger Sub I, and Merger Sub II, pursuant to which, among other things, and subject to its terms, (i) Merger Sub I will merge with and into Matterport (the “First Merger”), with Matterport surviving the First Merger as a wholly owned subsidiary of the Company (the “Surviving Corporation”), and (ii) in the event that the Threshold Percentage (as defined in the Matterport Merger Agreement) is at least 40%, immediately following the First Merger and as part of a single integrated transaction, the Surviving Corporation will merge with and into Merger Sub II (the “Second Merger” and, together with the First Merger, the “Mergers”), with Merger Sub II surviving the Second Merger as a wholly owned subsidiary of the Company.” 10-K for 2024
agreed acquisitionApril 21, 2024—
Visual Lease
Word for word“Visual Lease Acquisition CoStar's acquisition of all of the outstanding equity interest in Visual Lease completed on November 1, 2024, pursuant to the Visual Lease Merger Agreement” 10-K for 2024
acquisitionNovember 1, 2024—
Domain Holdings Australia Pty Limited
Word for word“On February 28, 2025, the Company completed the Matterport Acquisition, and on August 27, 2025, the Company 22 completed the Domain Acquisition.” 10-K for 2025
acquisitionAugust 27, 2025—
As filedReported in the company's financial data (XBRL), each linked to its filing
Fiscal year endedCash paid for acquisitions (net of cash acquired)Goodwill from acquisitions
2016-12-31$10.4 million$6.4 million
2017-12-31$47.8 million$25.7 million
2018-12-31$418.4 million$329.9 million
2019-12-31$437.6 million$267.8 million
2020-12-31$426.1 million$348.4 million
2021-12-31$193 million—
2022-12-31$6.3 million—
2023-12-31$100 million—
2024-12-31$277 million—
2025-12-31$2.35 billion—

Deal filings since 2016

Read from Costar Group’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-26. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.