Schedule an appointment at smchealth.org/hhw-appt or by calling (650) 372-6200.
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La Honda, California 94020
The San Mateo County Household Hazardous Waste (HHW) Program is hosting a free drop-off event in La Honda on Saturday, August 8, 2026, 8:30am-12:00pm.
Accepted items include but are not limited to cleaners, pesticides, garden chemicals, propane cylinders/tanks, fluorescent lights (compact and tubes), solvents, aerosol cans, paint, varnish, thinner, automotive and boating supplies, and flammable liquids.
If the product label states “caution,” “warning,” “danger,” or “poison,” it’s hazardous. No electronic, radioactive, explosive, or commercial waste accepted.
This event is open to all who live in San Mateo County.
You must schedule an appointment at smchealth.org/hhw-appt or by calling (650) 372-6200.
Event location is disclosed once your appointment is confirmed. Limit 10 gallons or 50 pounds per appointment (per carload). If you have greater than 10 gallons, schedule an appointment for each 10 gallons of waste and make separate vehicle trips. Visit smchealth.org/hhw for more information.
