Bonita-Sunnyside offers free sandbags (bags and sand) to San Diego County residents at times of heavy rain. Sandbags are available 24 hours a day, 7 days a week and are self served/self-fill. You will need to bring a shovel to fill the bags. Bags and sand are located on the east side of the fire station, on the blacktop. It is best to call ahead during business hours to confirm availability of sand and bags. Bags and sand are first come, first serve. No business use, personal use only. Please limit your use to 12-bags per household.