RECYCLE YOUR FOOD SCRAPS AND PLACE IN YOUR GREEN ORGANICS BIN FOR CURBSIDE COLLECTION. REMEMBER TO REDUCE, REUSE, REPAIR, RECYCLE, AND ROT (COMPOST).

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

Household hazardous waste characters on a mattress with a bright golden yellow background.

Saturday, June 20, 2026

8am – 1pm
City of Hercules Corporation Yard
1000 Sycamore Ave at Willet St, Hercules, CA 94547

The event is open to residents of El Cerrito, Hercules, Pinole, Richmond, San Pablo and surrounding unincorporated communities of Bayview, East Richmond Heights, El Sobrante, Montalvin Manor, North Richmond, Rollingwood and Tara Hills. In addition, residents of Crockett, Port Costa, Rodeo, and Tormey may also attend this event. Proof of residency required.

Accepted Items:

  • NEW! Now accepting Vape Pens (except for Vape Pens that contain cannabis or THC)
  • Electronic waste with circuit boards (including microwaves, computers, TVs, and cell phones)
  • Automotive products such as anti-freeze, gasoline (up to 5-gallons in Department of Transportation certified gas cans), lead-acid car batteries, used motor oil and used motor oil filters
  • Propane gas cylinders (1 to 5-gallons only)
  • Household aerosols, cleaners, sprays, and poisons
  • Paints, solvents, thinners, and adhesives
  • Household batteries and fluorescent lights
  • Mercury thermometers and mercury electrical switches
  • Garden products (pesticides and fertilizers)
  • Pool and photo chemicals
  • Mattresses and box springs (maximum of 3 items)

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 wet or damaged mattresses, air mattresses, or mattress toppers
  • No garbage
  • No furniture
  • No business waste
  • 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, contaminated soil, etc.)
  • No electric vehicle batteries

Guidelines
All participants must always remain in their vehicle. All materials must be placed in the trunk or in the back of the vehicle for access by event staff. Delivering materials in towed trailers is not allowed. 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, CA 94801
Wednesday through Saturday, 9am – 4pm

Questions? Call 888-412-9277

Click here for more information.

This is a FREE event brought to you by RecycleMore in partnership with the City of Hercules, Republic Services, and West County Resource Recovery.