People magazine said "The Day After Tomorrow" star and his sister were on a family vacation at San Francisco's Manka's Inverness Lodge, when the popular facility caught fire.
Apparently caused by a tree knocked down in a storm that landed near a water heater, the fire ultimately destroyed the wooden inn and its restaurant, while some items inside the inn were saved with help from the 26-year-old actor.
No one was injured in the blaze, People said.
The Marin Independent Journal reported that the fire did destroy all records pertaining to the inn's customers, which have included Britain's Prince Charles and director Joel Cohen, including all their contact information.
"I heard that all their records were burned in the fire," area restaurant owner Scott Howard told the paper. "They had reservations for New Year's and guests coming in from out of the area. They were trying to get the word out on television and radio. There's no way to contact all the people who had reservations."