Mainstay acquires Truelist

● STRATEGIC | REAL ESTATE/PROPTECH · Real Estate Data & Analytics

SEPTEMBER 16, 2026

Mainstay acquires Truelist

TARGET

Truelist

AI-powered listing platform enabling residential brokers and agents to create, manage, distribute and automate workflows for home sale listings.

Deal value	$18M deal value
Ownership	Founder-owned
Headquarters	Seattle, Washington
Sell-side advisor	—

ACQUIRER

Mainstay

Intelligent system of record for residential real estate connecting data, decisions and execution across the residential asset lifecycle for investors, brokerages and agents.

Ownership	VC-backed · Khosla Ventures, Era Ventures, Clocktower Technology Ventures, Parker89, Stackpoint, Alpaca VC, FJ Labs +2 more
Capital raised	$18M
Headquarters	San Francisco, California
Leadership	Dod Fraser, CEO and co-founder J.D. Rasmussen, president Michael Dulfer, COO Carey Armstrong, chief strategy officer
Board seats	Clelia Peters, managing partner (Era Ventures)
Buy-side advisor	—

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Mainstay -> Truelist  (2026-09-18)
strategic_acquisition | Real Estate/PropTech | $18M raised | announced
Target: AI-powered listing platform enabling residential brokers and agents to create, manage, distribute and automate workflows for home sale listings.
HQ: Seattle, Washington | Ownership: founder-owned | Buyer ownership: vc-backed
Advisors - not yet credited
Source: Thematic - https://thematichq.com/software/d/mainstay-truelist.html

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