Information is constantly changing! Call ahead to verify hours and availability.
Central Contra Costa HHW Collection Facility - Martinez - 4797 Imhoff Pl.
Central Contra Costa HHW Collection Facility
4797 Imhoff Pl., Martinez, California 94553
(800) 646-1431
Hours:
M-Sa 7am-2pm
Accepts the materials listed below at no charge for households and with a charge for qualifying businesses in: Alamo, Blackhawk, Clayton, Concord, Clyde, Danville, Lafayette, Martinez, Moraga, Orinda, Pacheco, Pleasant Hill, San Ramon, Walnut Creek and other unincorporated areas in Central County.
Quantity limitations: Regulations limit households to no more than 15 gallons or 125 pounds of waste per vehicle, per visit.
Visit website to view a listing of hazardous wastes that are accepted and are not accepted.
| Item | Notes | Method | Destination |
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| Aerosol Can - Non-empty |
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| Antifreeze |
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| Asbestos | Facility accepts friable asbestos containing materials (FACM) only. Friable asbestos is any material containing more than one percent asbestos and that can be crumbled or reduced to powder by simple hand pressure. Forms of friable asbestos can be found in materials and products made prior to the mid 1970’s such as: “popcorn” ceiling coatings, uncoated pipe insulations (without the pipe or ducting), and loose appliance insulation. A certification by a licensed laboratory showing that the material contains asbestos above 1 percent, may be required. |
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| Batteries - Automotive or Boat |
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| Batteries - Household - Rechargeable (up to 5 lbs) | This facility does not have a weight or size limit for rechargeable household batteries. Amounts within the facility quantity limitations of 125 pounds of waste per vehicle, per visit are ok. |
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| Batteries - Household - Single-Use |
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| Compressed Gas Cylinders - Refillable | Propane only. Five gallons or less. |
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| Compressed Gas Cylinders - Single-use/Non-working | Propane only. Five gallons or less. |
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| Cooking Oil/Grease/Fats | For households only. |
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| Fire Extinguishers |
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| Flares - Road |
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| Fuel | Gasoline & diesel fuels; automotive fuel filters accepted. |
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| Hazardous Materials & Wastes |
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| Helium Tanks - Non-empty |
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| Household Cleaners |
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| Ink Cartridges |
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| Inks |
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| Lacquers/Stains/Varnishes |
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| Light Bulbs - CFLs |
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| Light Bulbs - Fluorescent Tubes |
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| Light Bulbs - LED |
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| Mercury Thermometers |
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| Mercury-Containing Items | Does not accept flashing shoes, but will accept the flashing device if it is removed from the shoe. |
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| Motor Oil |
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| Nail polish - Non-empty |
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| Oil Filters |
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| Paint - Interior & Exterior - New/Unopened |
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| Paint - Interior & Exterior - Used/Wet |
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| Personal Care & Beauty Products - Used |
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| Propane Cylinders - 1 lb - Refillable | Five gallons or less only. |
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| Toner Cartridges |
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