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Make an HHW Drop-Off Appointment


IMPORTANT NOTICE: As of June 4th, 2020 only Household Hazardous Waste events in San Mateo have resumed. Household Hazardous Waste events in additional locations will resume when all safety protocols for both staff and the public can be put in place.

Any County resident may make an appointment at any location. Drop-off events are held Thursday – Saturday in San Mateo. To view a list of events, click here.

 Sign up for upcoming household hazardous waste drop-off event notifications.