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California Coastal Cleanup Day: San Mateo

September 23, 2023 @ 9:00 am - 12:00 pm


Thank you for joining us for the 39th California Coastal Cleanup Day, the state’s largest annual volunteer event! It’s a chance for everyone in our state, no matter where they live, to help clean up trash from our environment before the rains come and wash it out to the coast and ocean.

Click here to find out more about this cleanup.


San Mateo
San Mateo, CA 94403 United States + Google Map