Given its dense and developed real estate infrastructure, substantial equity capital requirements, and extensive project approval processes, NYC is structurally characterized by high barriers to entry which limit the delivery of competitive new supply.
Additionally, office ownership in NYC is highly fragmented with the majority of assets are controlled by multi-generational owners who don't sell, primarily local families or individuals who lack the capital and market expertise to manage and/or reposition assets to an institutional standard.
In the last 2 market dislocations there were only a handful of office building sales because the view is
NYC office always comes back
.