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Household Hazardous Waste
Disposing of Hazardous Materials
The Environmental Health Division of the San Mateo County Health Services Agency manages the Household Hazardous Waste (HHW) Program. HHW drop-off events are scheduled on a bi-weekly basis throughout the County. These events provide residents with an opportunity to dispose of hazardous and toxic materials such as:
  • Paints
  • Automobile fluids
  • Pesticides
  • Poisons
  • Cleaning chemicals

This service is free, but requires an appointment. To schedule an appointment, call the San Mateo County Household Hazardous Waste Hotline at (650) 363-4718.

San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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