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Household Hazardous Waste

WE ONLY ACCEPT WASTE FROM THE FOLLOWING JURISDICTIONS:  Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley, and Pittsburg.

The Delta Household Hazardous Waste Collection Facility has reopened with special COVID-19 safety requirements. Please be aware of the following requirements before visiting the facility:

  • Face coverings are optional when dropping off waste at the facility, except when entering the Reuse Room where face coverings are required at all times.  Contra Costa County recommends face coverings for all unvaccinated individuals.
  • Customers must remain in the vehicle at all times when dropping off waste.
  • All waste must be placed in the trunk, rear truck bed, or rear compartment of a van or hatchback.  No waste will be removed from vehicle cabs.
  • Please have your driver’s license available for verification of residency in the service area. Facility staff are utilizing a new contactless reader to collect information.  Place the backside of your license against the driver’s side window to be scanned.

Hours of Operation

The facility is open on the following days, except holidays:

  • Thursday, 9:00 am to 4:00 pm
  • Friday, 9:00 am to 4:00 pm
  • Saturday, 9:00 am to 4:00 pm

 The facility is closed on the following holidays: 

  • New Year's Day 
  • Memorial Day
  • Independence Day 
  • Labor Day 
  • Thanksgiving Day 
  • The Friday after Thanksgiving 
  • Day before Christmas Eve 
  • Christmas Eve
  • Christmas Day 
  • All days between Christmas & New Year's


Delta Household Hazardous Waste Collection Facility

2550 Pittsburg-Antioch Hwy
Pittsburg, CA  94565
(Note:  For mapping apps try entering 2550 Arcy Ln, Antioch)

May contain: plan, plot, and diagram
On Arcy Lane, just off of the Pittsburg-Antioch Hwy between Auto Center Drive and Loveridge Road

Eligible Communities
The facility is available to the residents of the following East Contra Costa County communities:

Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley, and Pittsburg.  You will need to show proof of residency - such as a utility bill or driver's license.

Other Contra Costa Communities
If you live outside of East Contra Costa County, please use the appropriate facility as listed below, or visit

Central County

Alamo, Blackhawk, Clayton, Concord, Clyde, Danville, Lafayette, Martinez, Moraga, Orinda, Pacheco, Pleasant Hill, San Ramon, Walnut Creek, and other Central County unincorporated areas:

 4797 Imhoff Place, Martinez

West County

Crockett, El Cerrito, El Sobrante, Hercules, Kensington, North Richmond, Pinole, Port Costa, Richmond, Rodeo, San Pablo, and Tormey:

101 Pittsburg Ave., Richmond

What Is Household Hazardous Waste (HHW)?

Household hazardous wastes (HHW) are the leftover or unused portions of chemicals and products used to clean and maintain your home.  These materials are often labeled CAUTION, WARNING, DANGER, POISON, TOXIC, FLAMMABLE, or CORROSIVE.

For safety and environmental reasons it is illegal to dispose of HHW in the garbage, sewers, or storm drains. Please take these materials to the Delta Household Hazardous Waste Collection Facility.

Acceptable Waste: What You CAN Bring

Home & Garden ProductsAutomotive Care ProductsPaint & Paint Related ProductsPersonal Misc.
Care ProductsOilLatex paintPharmaceuticalsLight Bulbs (all types)
ProductsOil FiltersOil based paintHair care productsElectronic Waste (TV's computers, etc.)
Liquid cleanersAntifreezeStainsLotionsMercury thermometers
AerosolsBrake FluidVarnishesSoapsThermostats
Drain openersTransmission FluidGlazesCosmeticsSharps
SolventsGasolineWaxesNail polish removerPropane tanks
GroutsCar WaxWood oilsPerfumesHelium Tanks
CementsCar PolishPaint thinnerColognesHousehold batteries
CaulkingCar BatteriesEpoxy resinsInsect RepellentCooking Oil
SealantsDegreasersWall paper products
Lighter fluidWheel Cleaners
PesticidesRoad Flares
Pool chemicals

Unacceptable Waste: What you CANNOT Bring

Appliances (contact Contra Costa Waste Recycling Center & Transfer Station,
925.473.0180. Brentwood residents call 925.516.6090. Additional information can be found at or by calling the Recycling Hotline at 1.800.750.4096.

Asbestos (contact Altamont Landfill, 925.449.6349.

Compressed Gas Cylinders, except propane and helium (contact local gas suppliers).

Infectious or Biologically Active Materials (contact Contra Costa County Environmental Health Department, 925.646.5225. Ext. 200.

Radioactive Materials (contact Contra Costa County Environmental Health Department, 925.646.5225. Ext. 200.

Railroad Ties/Treated Wood.

Tires (Call 1.800.750.4096 or visit Brentwood residents call 925.516.6090.

Explosives or Ammunition (contact local law enforcement agency).

Packing & Transportation Requirements
Please follow these guidelines when preparing to drop off HHW at the facility:

  • Materials must be packaged in sturdy, non-leaking containers no larger than 5 gallons. Original containers are recommended.
  • Small, leaking containers can be individually placed in ziploc bags. Larger containers should be placed in separate, covered, and non-leaking containers for transport.
  • Five-gallon plastic buckets are available at most hardware stores and make good transporting containers.
May contain: scenery, panoramic, outdoors, landscape, nature, building, and bridge

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. There are no limitations on the number of trips per day.

The Household Hazardous Waste Program is made possible because of the joint efforts of the following partners: