Ex-Zillow VP’s startup Truelist acquired by Mainstay in $18M expansion of real estate AI

Truelist founder and CEO Carey Armstrong. (LinkedIn Photo) Seattle-based real estate tech startup Truelist has been acquired by San Francisco-based Mainstay as part of an $18 million growth funding round aimed at expanding AI-powered tools across the residential property market. Founded in 2024, Truelist built an AI-powered listing platform to help real estate brokers and agents manage, create, and distribute property listings across fragmented MLS systems.