It's still around, named as the Langham Huntington. Some background:

It opened in February 1907 as the Hotel Wentworth, but the structure was only partially complete, with the first four stories finished and a temporary roof. The hotel's completion had been delayed due to a shortage of construction crews caused by rebuilding in San Francisco following the 1906 earthquake.[4] Heavy rains that year kept away prospective guests, and the Wentworth closed its doors in July 1907 after its first season.[

The Wentworth was purchased by railroad tycoon Henry E. Huntington in 1911 and reopened in 1914 as The Huntington Hotel after a major redesign by the architect Myron Hunt which added the hotel's upper two floors and its iconic central belvedere tower.

You can see where the stories where added, in case you thought they put them between two and three.