Truelist
Truelist is an organization whose assets were acquired and integrated into Mainstay to enhance data and listing management in residential...
Facts
- HQ
- Seattle
- Sectors
- Real Estate, AI, Data Management, Listings
- Stage
- acquired
Mainstay raises $18M growth round led by Khosla Ventures to expand AI real-estate platform and acquire Truelist
Mainstay raised $18M in growth capital on September 21, 2026, backed by Khosla Ventures and others, to expand its AI-powered residential real estate transaction platform and integrate Truelist assets.
Mainstay acquires Truelist in $18M round; ex-Zillow VP Carey Armstrong named chief strategy officer
Seattle startup Truelist, founded by ex-Zillow VP Carey Armstrong in 2024, was acquired by San Francisco real estate tech firm Mainstay as part of an $18 million growth funding round to expand AI listing and transaction tools across the residential market. Armstrong will join Mainstay as chief strategy officer as the company broadens from serving institutional investors to brokerages, agents and smaller property owners.
