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CoStar acquisitions in 2026: 1 reported deal

This page lists 1 reported deal involving CoStar. The latest, on Aug 21, 2026: commercialobserver.com reported "CoStar Closes $800M Cash Acquisition of New-Home Platform Zonda."

Public (CSGP)Leasing Real Estate10,000+ employeescostargroup.comLinkedIn

Reported
1
Last 90 days
1
Latest
Aug 21, 2026

Acquisitions · latest 1

Latest reported CoStar deals

  1. Acquisition
    CoStar Closes $800M Cash Acquisition of New-Home Platform ZondaCoStar Group has completed its acquisition of new home-construction data platform Zonda for $800 million in cash.
    commercialobserver.com

Signal API · MCP

Track CoStar with the Signal API

One POST /v1/companies/enrich call with costargroup.com returns CoStar acquisitions signals (news, sec-8k), each with its source. Or ask Claude through MCP.

Start Free1,000 free creditsUse it in Claude via MCP

2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "costargroup.com",
    "signal_types": ["news","sec-8k"],
    "signal_subtypes": ["acquires","merges_with","acquisitionAnnounced",
      "acquisitionCompleted"],
    "limit": 20
  }'

Same industry

Acquisitions at related companies

Questions about CoStar acquisitions

What companies has CoStar acquired?
Recent reports name these companies: Zonda (Aug 21, 2026, commercialobserver.com). This page lists 1 reported deal in total. Reports include talks, proposals and bids that did not close, so check each source.
What was CoStar's latest acquisition?
The newest reported deal on this page that names CoStar: Aug 21, 2026: CoStar Closes $800M Cash Acquisition of New-Home Platform Zonda (commercialobserver.com). Check the source for whether the deal closed.
What deals has CoStar been linked to?
This page lists 1 reported deal. The newest: Aug 21, 2026: CoStar Closes $800M Cash Acquisition of New-Home Platform Zonda (commercialobserver.com).

Source. News reports and SEC 8-K filings about acquisitions and mergers.

Method. Stories about the same deal within 14 days merge into one row. Deal values show only when the source states them in USD.

Data as of .

How this data is built →Get it from the Signal API →