Historic Charm Meets Downtown Living at the Idanha Building Step into a piece of Boise history with this beautifully restored, mixed use landmark in the heart of downtown. Once the grand Idanha Hotel, this 6 story French Chateau/Chateau Revival "turreted" beauty was built in 1900 1901 by architect W. S. (William Steward) Campbell and remains one of Boise's most iconic historic buildings. Don't miss your chance to live in a piece of Boise's storied past with all the character, charm, and location advantages downtown has to offer.