Key facts
- Mainstay acquired Truelist, an AI-powered listing platform for brokers and agents.
- Mainstay raised over $18 million in growth capital.
- Mainstay was carved out of Opendoor in August 2024.
- Carey Armstrong, founder and CEO of Truelist, joins Mainstay as chief strategy officer.
- Mainstay has facilitated over $12 billion in real estate transactions.
- Mainstay serves 95% of the 60 largest residential real estate investors.
Residential real estate data and workflow firm Mainstay has acquired Truelist, an artificial intelligence-powered listing platform, and raised over $18 million in growth capital. The acquisition aims to integrate Truelist's listing data and workflow capabilities into Mainstay's property-data infrastructure. Mainstay, which was carved out of Opendoor in August 2024, combines customer data with external sources to manage property workflows for investors. The company stated that the new capital will be used to expand its services to a broader market, including brokerages and smaller investors. Truelist founder Carey Armstrong will join Mainstay as chief strategy officer. Mainstay has facilitated over $12 billion in transactions and serves 95% of the 60 largest residential investors.