New hazard designations increase the number of homes that must comply with wildfire building codes during reconstruction.

A Washington Post analysis shows that some officials knew of the fire’s westward spread hours before evacuation orders were sent to residents in western Altadena.

According to Altadena Heritage, the subdivision began in 1887 and the area attracted the wealthy as well as artists, writers and blue-collar workers. A post-World War II building boom developed ...