In today’s luxury real estate market—where scarcity is growing and privacy is increasingly valued—so-called “off-market properties” have emerged as a powerful trend. Long available only to an elite circle within the property world, these listings have now become a focal point of debate following Zillow’s announcement that it will ban properties not listed in MLS databases from appearing on its platform.
Zillow argues that marketing any property without listing it on the MLS runs counter to the principle of transparency. With luxury homes becoming rarer and demand continuing to rise, this decision has highlighted the growing tension between transparency and wealthy clients’ desire for privacy.
Although off-market listings are not a new phenomenon, major developments such as 220 Central Park South in Manhattan have amplified their popularity. The entire building was sold off-market, turning it into a model for developers seeking to enhance exclusivity and test pricing away from public scrutiny.
This approach gives developers greater control over pricing and sales while attracting buyers who prioritize privacy and status. It also offers protection for high-profile individuals and families from public speculation.
New projects are also adopting this strategy, including 110 Boerum Place in Brooklyn, where trusted broker networks were relied upon instead of open advertising campaigns to achieve high-value, fast sales.
Brokers, in turn, welcome this exclusivity, which gives them a competitive edge by offering opportunities unavailable to the general public—strengthening their value to clients seeking distinction and discretion.
