Mainstay Growth: $18M

Sep 20, 2026Public sources — Collected from public sources, not yet cross-checked.

Mainstay raised $18 million in a growth round, announced Sept. 20.

Facts

Company: Mainstay
Amount: $18 million
Currency: USD
Stage: Growth
Announced: Sep 20, 2026

Investors

Participants: Khosla Ventures Era Ventures Parker89 Stackpoint Alpaca VC FJ Labs

Use of funds

expanding AI-powered tools across the residential property market

As stated by the company.

Sources

1.Ex-Zillow VP’s startup Truelist acquired by Mainstay in $18M expansion of real estate AI — GeekWire, Sep 21, 2026

Public sources — Collected from public sources, not yet cross-checked.Last verified Oct 15, 2026