Alfredo Bautista, 24, allegedly admitted to police that he started eight fires in the area.
Part of the highway was shut down Monday afternoon.
Berkeley Fire Department fought the two-alarm fire in a third-story apartment at 1420 Addison St. near Sacramento.
Fire investigators now believe the fire that coursed through 20 acres in the Berkeley and Oakland hills may have been arson.
The early-morning fire caused an estimated $100,000 worth of property damage. Another $75,000 of oil and sugar were burned. The owner said she is uninsured.
The fire that mobilized up to 200 firefighters Wednesday in the East Bay hills was 50% under control by 7 a.m. Thursday. Check back for updates.
A wildfire that started on Grizzly Peak closed roads, prompted the evacuation of Berkeley Lab and two summer camps and is being tackled by 150-200 firefighters.
A fire on the roof deck of The Metropolitan on Durant Avenue Sunday morning caused evacuations and traffic diversions.
A fire broke out in a garage in an alleyway between Rose and Spruce streets, prompting police to ask residents to leave their homes.
A fire in the 2800 block of Claremont Boulevard in the Claremont neighborhood closed several roads Wednesday. Crews are on the scene.
A Berkeley firefighter almost died last fall after he was left more than two floors up in a smoke-filled building as flames closed in and his oxygen ran down, a new video reveals.
Services have returned to First Church after a fire which put a firefighter in danger. The future of the damaged Pilgrim Hall is being discussed.
Fire season started May 29, and city and fire officials are ramping up efforts to help residents in the East Bay hills do everything possible to safeguard their homes.