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Mainstay acquires Truelist to boost real estate tech

PRIVATESep 17, 2026•about 2 hours ago

Acquiring Company

Mainstay

Acquired Company

Truelist

TempeSan FranciscoReal EstateHospitalityReal EstateArtificial IntelligenceCommercial Real Estate

Description

Mainstay has announced the acquisition of Truelist, an AI-powered listing platform. The integration is part of Mainstay's strategy to enhance its residential real estate offerings. Carey Armstrong, the founder of Truelist, will join Mainstay as chief strategy officer. This merger aims to consolidate resources and innovate within the real estate technology space.

Company Information

Company

Mainstay

Location

Tempe, Arizona, United States

About

Mainstay is a comprehensive market intelligence and transaction platform for the single-family rental industry. It aims to provide actionable insights to all market participants and offers purpose-built tools for owners and operators.

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M&A Insights

Based on deal data
Integration timeline
70% of M&A integrations take 12-24 months to complete
Tech stack consolidation
83% of merged companies consolidate technology vendors within first year
Post-acquisition investment
Companies increase IT spending by 23% on average after acquisitions
Success factor
M&A deals with strong technology integration plans are 2.5x more likely to succeed

Frequently asked

Who acquired Truelist?

Truelist was acquired by Mainstay, based in Tempe. The deal was reported on September 17, 2026. Mainstay is a comprehensive market intelligence and transaction platform for the single-family rental industry. Mainstay is privately held and operates in Real Estate.

When did Mainstay acquire Truelist?

Mainstay's acquisition of Truelist was reported on September 17, 2026. Mainstay has announced the acquisition of Truelist, an AI-powered listing platform. The integration is part of Mainstay's strategy to enhance its residential real estate offerings. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Truelist do?

Truelist is an AI-powered listing platform founded by a former Zillow and Tomo executive. Launched last year, it aims to modernize how real estate listings are managed and presented. It is privately held, operating in Real Estate, and is based in San Francisco.

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