Household Hazardous Waste Program

Collection Schedule
HHW Collection Schedule rotates between nine locations throughout the county. Make an appointment for any collection that is most convenient for you. This drop-off disposal service is for residential household hazardous waste from county residents.

Wastes Accepted

  • Paint, paint thinner, varnish, and stain;
  • Garden, swimming pool, and hobby chemicals;
  • Household cleaning products and aerosol spray cans;
  • Flourescent tubes, propane tanks, and automotive products (gasoline);
  • Automotive products (gasoline, contaminated oil);
  • Thermometers and other mercury wastes;
If you only have Latex paint, antifreeze, motor oil, oil filters, automotive batteries, household batteries, or fluorescent tubes, you can check our list of collection centers for a location nearest you.


Wastes Not Accepted

  • Asbestos*
  • Appliances*
  • Business wastes*
  • Construction wastes*
  • Compressed Gas Cylinders (except propane up to 5 gallons in size)
  • Explosives/Ammunition/Fireworks
  • Tires
  • Any waste in a container larger than five (5) gallons.
*For information on disposal of these items please visit RecycleWorks for information.
For disposal of all other items please contact our office at (650) 372-6200.


Medical Waste Disposal Information
Business Waste

See our Very Small Quantity Generator (VSQG) Business Collection Program.

Questions?

Contact us at ehcomplaints@co.sanmateo.ca.us or call (650) 372-6200.

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