San Mateo County residents can safely dispose of household hazardous waste (HHW) free of charge at special drop-off collection events four times a year.
The collection events take place from 8:30 am to 12:15 pm. To participate, residents must schedule an appointment at San Mateo County's HHW Program or by calling 650-363-4718, select option 3.
Don't Wait for an Event
You do not have to wait for a collection event to dispose of HHW! Residents unable to attend the events can still dispose of HHW for free at San Mateo County's permanent HHW facility, Thursdays through Saturdays (except major holiday weekends). You must make an appointment or call 650-363-4718, select option 3.
Dates for 2023 in Daly City
Saturday, March 11
Saturday, June 10
Saturday, September 9
Saturday, December 9 - San Mateo County has cancelled this event.
Accepted items include:
Automotive Supplies (Car Batteries
Fluorescent Lights (Compact and Tubes)
No radioactive, explosive, medical, or commercial waste is allowed. All waste collected is reused, recycled, or stabilized for proper disposal to achieve zero waste being landfilled.