Carlos Mila, left, helps Heather Washington fill free sandbags at the City of Redwood City Public Works Services in Redwood City, Calif., on Monday, Jan. 2, 2023. (Josie Lepe for Bay Area News Group) Just days after a record-setting storm sent the Bay Area into a frenzy through massive urban flooding, more heavy rain is expected to sock the region this week. To help prepare its residents for more potential flooding, most Bay Area cities are offering sandbags, both unfilled and prefilled, free of charge throughout the week. Here is where you can pick up your free bags to help protect your home