Polystyrene foam, also known as Styrofoam is commonly found in packaging and takeout containers, cannot be composted or easily recycled. In San Ramon, you cannot recycle polystyrene foam through ACI’s curbside programs. Always dispose of it in the trash, not the recycling bin.
Polystyrene foam also breaks into harmful microplastics that animals may mistake for food, causing environmental damage.
As a result, the City has banned polystyrene foam foodware. You can view Ordinance 525: Polystyrene Foam Food Packaging and Foodware here.
A ban on polystyrene foam food packaging and foodware goes into effect in the city of San Ramon on January 1, 2025 and applies to any restaurant or retail food vendor.
The Polystyrene Foam Food Packaging and Foodware Ban applies to restaurants and retail food vendors in San Ramon. Here are some examples:
- Restaurants (fast-food & full-service)
- Cafes
- Delis
- Boba Shops
- Grocery and supermarkets (Applicable to their deli and takeout departments.)
- Food Trucks
- Movie theaters
- Convenience stores
Trash-Free San Ramon is invested in reducing single-use foodware and in assisting businesses and the public in making the transition from single-use foodware to reusable foodware and compostable fiber-based foodware.
Businesses that want to reduce their use of single-use foodware can visit the Polystyrene Foam Food Packaging and Foodware Ban Residents that want to help the City and businesses reduce their use of single-use foodware to be Trash-Free can do the following:


By supporting and following Trash-Free principles, you can encourage businesses to focus on sustainability and make real progress in reducing waste.