The Packard Library is a historic library building located at 301 4th St. in Marysville, California. Built in 1905–06, the library was sponsored by John Q. Packard and designed by San Francisco architect William Curlett. Curlett designed the library in the Italianate and Beaux-Arts styles. The three-story building features verandahs on the east and west sides. The verandahs are supported by rectangular columns, and their roof lines are decorated with acanthus leaves.