Jaime Lee is the CEO of the Jamison group of companies, a privately held, family-run commercial real estate enterprise with a market capitalization of over $3 billion that operates 13 million square feet of office, multifamily and retail properties throughout Southern California and has delivered over 5,000 apartment ...

The noun property can be countable or uncountable. In more general, commonly used, contexts, the plural form will also be property. However, in more specific contexts, the plural form can also be properties e.g. in reference to various types of properties or a collection of properties.