Park Newport LP wants to add 366 new multifamily units to its Park Newport Apartments property in the shadows of Newport Beach’s Fashion Island.

Across from Newport Center, Dallas-based Park Newport LP has filed plans to expand its Park Newport Apartments by 366 units at 1 Park Newport at a cost of $800,000 a unit.

Several former tenants are suing the owner of a Newport Beach apartment complex over claims of mold, which one couple said caused them serious health problems.

The apartment complex now called Vercanta Newport Beach has undergone a yearlong, multimillion-dollar renovation on the 147-unit, two-story complex. The work was done by Los Angeles-based Nadel ...