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Agreement signedPublished 29 May 2026

CoStar Group, Inc. /
Zonda

CoStar agrees to buy Zonda for $800 million

Buy side: CoStar Group, Inc.
Buy sideCoStar Group, Inc.
Target: Zonda
TargetZonda
CoStar Group, Inc. · 29 May 2026Source
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Follow CoStar Group, Inc. Follow Zonda
Buy side: CoStar Group, Inc.
Buy sideCoStar Group, Inc.
Target: Zonda
TargetZonda
01 / BuyerCoStar Group, Inc.
02 / TargetZonda
Source for the buyer and target: CoStar Group, Inc.

For the buyer and target.

“On May 28, 2026, CoStar Group, Inc. (“CoStar Group” or the “Company”), through its wholly owned subsidiary, CoStar Realty Information, Inc., a Delaware corporation, entered into a Stock Purchase Agreement (the “Purchase Agreement”) with Bora Holdings Group, L.P., a Delaware limited partnership (the “Seller”), and Bora, Inc., a Delaware corporation (together with its subsidiaries, “Zonda”), to acquire Zonda, a leading provider of new home construction data, homebuilder software, and residential real estate marketplace solutions, for $800 million in cash at closing (the “Transaction”).”

Published 29 May 2026

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01

What happened

CoStar Group said on May 28, 2026 that a subsidiary signed a stock purchase agreement to acquire Zonda, a provider of new home construction data and homebuilder software. Closing is subject to customary conditions, including antitrust waiting periods, and the deal is not subject to a stockholder vote or financing condition. [01]

02

The source

Everything on this page comes from the source below, quoted word for word.

01
Source · CoStar Group, Inc.

CoStar agrees to buy Zonda for $800 million

This document is the source for the companies, stage, figure and people on this page.

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03

Timeline

Every date the source states, in order, each with the words it comes from. Anything marked ahead is a target the source gives, not something that has happened.

  1. Announced

    “CoStar agrees to buy Zonda for $800 million CoStar Group said on May 28, 2026 that a subsidiary signed a stock purchase agreement to acquire Zonda, a provider of new home construction data and homebuilder software”

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  2. Published by CoStar Group, Inc.

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This dealCoStar Group, Inc. / ZondaAgreement signed · Published 29 May 2026
BuyerCoStar Group, Inc.TargetZonda
This dealCoStar Group, Inc. / Zonda

Agreement signed · CoStar Group, Inc. / Zonda deal (Agreement signed, published 29 May 2026).

Announced 28 May 2026
Timeline
  1. Announced
  2. Published by CoStar Group, Inc.
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Deal Web as a list
  • CoStar Group, Inc. (Buyer) buyer this deal. CoStar Group, Inc.: 1 deal on Carrywatch.
  • Zonda (Target) target this deal. Zonda: 1 deal on Carrywatch.