If you have household hazardous waste items such as paint, solvents, nonprescription drugs, cleaners, etc., please contact San Mateo County’s Household Hazardous Waste (HHW) Program at 650-363-4718 or click here to make a drop-off appointment.
San Mateo County’s Household Hazardous Waste (HHW) Program helps residents reuse, recycle, or responsibly manage residential hazardous waste for free. County residents may drop-off a full range of HHW at collection events year-round every Thursday, Friday, and Saturday (except major holiday weekends). A more complete list of services offered can be found at the San Mateo County’s HHW Program.