Household Hazardous Waste (HHW) Online Appointments

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); 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 Medical Waste/Sharps/Any Medication/Drugs Tires

*For information on disposal of these items please visit RecycleWorks for information.
For disposal of all other items please contact our office at (650) 363-4305.

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

Questions?
Contact us at erouan@co.sanmateo.ca.us or call (650) 363-4305.