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Household Hazardous Waste
Disposing of Hazardous Materials
San Mateo residents can schedule an appointment to safely dispose your household hazardous waste at no charge through the San Mateo County Household Hazardous Waste (HHW) Program. The County's HHW Collection Facility, located in the City of San Mateo, is open every Thursday, Friday, and Saturday (except for major holidays weekends). The HHW program provides residents the opportunity to dispose of hazardous and toxic materials such as:
  • Paints
  • Automobile fluids
  • Pesticides
  • Poisons
  • Cleaning chemicals

The service is free, but requires an appointment. Visit the Household Hazardous Waste (HHW) Program to schedule an appointment or call (650) 372-6200.

Report illegal dumping to Environmental Compliance



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

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