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Make an HHW Drop-Off Appointment

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IMPORTANT NOTICE: Out of an abundance of caution and taking into consideration San Mateo County’s Health Officer statements, all Household Hazardous Waste events through April 12, 2020, have been canceled

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.

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