Household Hazardous Waste Program
Collection Schedule
HHW Collections are held almost every Friday and Saturday at the San Mateo facility.
Additional collections are held in several other 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;
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- Flourescent tubes, propane tanks, and automotive products (gasoline);
- Automotive products (gasoline, contaminated oil);
- Thermometers and other mercury wastes;
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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*
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- 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.
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*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
EnvHealth@co.sanmateo.ca.us
or call
(650) 372-6200.
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