Firefighters responded to a one-alarm fire at 475 Falcon Way just after 1 a.m., according to the Rodeo-Hercules Fire Protection District. Crews were able to rescue the woman, who was trapped inside the single-story home, the dispatcher said.
The fire was under control within about 30 minutes, she said. The Pinole Fire Department, the Contra Costa Fire Protection District, and the Crockett-Carquinez Fire Department also provided assistance.
The woman's condition and the extent of her injuries were not known, the dispatcher said.
The estimated damage to the house is being evaluated, and the cause of the fire is under investigation by the Contra Costa Fire Protection District.