It was only four years ago that a brand-new home in the coveted Corona del Mar enclave of Orange County’s Newport Beach, about an hour south of Los Angeles, sold for $21.25 million. Now the owner, an LLC records show is tied to Miami real estate investor Sam Herzberg, is optimistically looking to double its money, tossing the three-story beachfront residence back on the market with a hefty $42 million price tag.
Sited on a prime corner lot, across Ocean Boulevard from a…

