The Rise of Stealth Wealth Buying

A trend termed "stealth wealth buying" is growing among ultrawealthy individuals, particularly tech and AI executives in Silicon Valley, who are prioritizing anonymity over maximizing sale prices in residential real estate transactions.

Methods

Buyers route purchases through limited liability companies (LLCs), privacy trusts, and unlisted "whisper" listings that do not appear on multiple listing services.

To obscure ownership, some clients ensure the LLC manager is not directly associated with them, such as a personal attorney.

Post-purchase, utilities and deliveries are often placed under the LLC or trust name. Real estate agents may act as buffers, signing for inspections and interacting with vendors without revealing the client's identity. In some cases, both sides of a transaction conceal their identities.

Rationale

Ken DeLeon, founder of DeLeon Realty in Palo Alto, stated the shift began about three years ago as tech market capitalizations grew and more wealthy people moved to the area. He noted that AI-driven wealth creation has increased security concerns and the desire for privacy.

Citing an April incident where a man threw a Molotov cocktail at OpenAI CEO Sam Altman's San Francisco home, DeLeon said such events have heightened the wish for anonymity.

Prevalence

• Atherton, Calif. , posted a median sale price of $8.33 million in 2025. The town's top deal was a $51.5 million off-market sale of a home once owned by tech executive Stephen Luczo.
• Off-market residential sales increased at least 30% year-over-year in Brooklyn, Manhattan, and Queens between 2024 and 2025, with Brooklyn logging about $5.4 billion in privately marketed sales, according to The Real Deal.

Costs and Regulatory Context

Off-market sales typically reach fewer buyers and result in lower offers.

A Zillow Research analysis of 2.7 million home sales found that homes sold off the MLS in 2023 and 2024 sold for a median of $5,000 less (1.5% gap) than those on the MLS. In California, the gap was 3.7% ($30,075 per home).

The National Association of Realtors' Clear Cooperation Policy requires agents to submit listings within one business day of public marketing. As of March 2025, sellers can use a "delayed marketing exempt listing" option after signing a written disclosure.

DeLeon criticized some brokerages for encouraging off-market sales to cut marketing costs and increase the chance of double-ending commissions, rather than for client privacy.

Outlook

DeLeon suggested that if sellers fully understand the price trade-off, the pendulum may swing back toward full exposure to maximize sale price, even at the cost of some privacy.