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Posted on: May 10, 2023

Household Hazardous Waste (HHW) Program - June 10th, 8:30am-12:15pm

20230610 Daly City HHW Collection event

The Household Hazardous Waste (HHW) Program is hosting a drop-off event in Daly City on Saturday, June 10, 2023, 8:30am-12:15pm. Accepted items include cleaning products; fertilizers and garden chemicals; pesticides and rodenticides; solvents; flammable liquids; fluorescent lights; paint thinner; acids/bases; aerosol cans; automotive supplies (car batteries, motor oil and filters, antifreeze, brake fluid), among other chemicals. No electronic, radioactive, explosive, or medical waste is accepted. This event is open to all who live in San Mateo County.

To participate, you must schedule an appointment at San Mateo County’s HHW Program: or by calling (650) 372-6200. The event location is disclosed once your appointment is confirmed. Limit 10 gallons or 50 pounds per appointment (per car load). If you have greater than 10 gallons, you must schedule an appointment for each 10 gallons of waste and make separate vehicle trips for each appointment. No commercial waste allowed.

Residents unable to attend this event can still dispose of HHW for free at San Mateo County’s HHW facility Thursdays-Saturdays. You must make an appointment at or call (650) 372-6200. Recycling/safe disposal of paint, fluorescent lights, household batteries, and used motor oil/filters can be done at a local collection center. Visit for local drop-off sites. For more information, visit

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