FREE Household Hazardous Waste (HHW) and Mattress Collection Event (Hercules, CA) – ONE DAY ONLY!

Saturday, June 24, 2023

8am – 1pm
City of Hercules Corporate Yard
1000 Sycamore Ave at Willet St. 

Hercules, CA



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Event is open to residents* of El Cerrito, Richmond, San Pablo, Pinole, Hercules, and surrounding unincorporated communities of Bayview, East Richmond Heights, El Sobrante, Montalvin Manor, North Richmond, Rollingwood and Tara Hills
*Bring proof of residency


Accepted Items:

  • Electronic waste with circuit boards (including microwaves, computers, TVs, and cell phones)
  • Auto products (antifreeze, gasoline, batteries, used motor oil and filters)
  • Propane gas cylinders, hazardous aerosols/cleaners/sprays and poisons
  • Paints, solvents, thinners, and adhesives
  • Household batteries, fluorescent lights, mercury thermometers and switches
  • Garden products (pesticides and fertilizers)
  • Pool and photo chemicals
  • Mattresses and box springs (maximum of 3 items; no excessively wet or damaged mattress)

NOTE: State regulations limit the transportation of HHW to 15 gallons or 125 pounds per vehicle per visit. Individual containers are limited to a 5 gallon capacity.


Prohibited Items:

  • No garbage
  • No furniture
  • No business waste, no trailers
  • No explosives, ammunition, medical waste, pharmaceuticals, sharps, or radioactive waste
  • No appliances, including stoves, refrigerators, washers/dryers, vacuums, toasters, coffee makers
  • No hazardous construction debris (asbestos, pressure treated wood waste, contaminated soil, etc)
  • No electric vehicle batteries


Health Guidelines
All participants must remain in the vehicle at all times. All materials must be placed in the trunk or in the rear most portion of the vehicle. Failure to follow these guidelines will result in refusal of service.


Can’t Make the Event?

The permanent HHW Facility accepts HHW and mattresses all year round! Take your HHW to:

101 Pittsburg Ave, Richmond
Wednesday through Saturday, 9am – 4pm

Questions? Call 888-412-9277

Click here for more information.


A FREE event in partnership with the City of Hercules, Contra Costa County, Republic Services, West County Resource Recovery, and RecycleMore.