Guide for Reuse, Repair, Recycling, and Safe Disposal
for Alameda County, Contra Costa County, and the City of Palo Alto

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Central Contra Costa HHW Collection Facility - Martinez - 4797 Imhoff Pl.

Information is constantly changing! Call ahead to verify hours and availability.

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
Aerosol Can - Non-empty
  • Free Drop-off
  • Safe Disposal
Antifreeze
  • Free Drop-off
  • Recycle
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.
  • Free Drop-off
  • Safe Disposal
Batteries - Automotive or Boat
  • Free Drop-off
  • Recycle
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.
  • Free Drop-off
  • Recycle
Batteries - Household - Single-Use
  • Free Drop-off
  • Recycle
Compressed Gas Cylinders - Refillable Propane only. Five gallons or less.
  • Free Drop-off
  • Recycle
Compressed Gas Cylinders - Single-use/Non-working Propane only. Five gallons or less.
  • Free Drop-off
  • Recycle
Cooking Oil/Grease/Fats For households only.
  • Free Drop-off
  • Recycle
Fire Extinguishers
  • Free Drop-off
  • Safe Disposal
Flares - Road
  • Free Drop-off
  • Safe Disposal
Fuel Gasoline & diesel fuels; automotive fuel filters accepted.
  • Free Drop-off
  • Safe Disposal
Hazardous Materials & Wastes
  • Free Drop-off
  • Safe Disposal
Helium Tanks - Non-empty
  • Free Drop-off
  • Recycle
Household Cleaners
  • Free Drop-off
  • Safe Disposal
Ink Cartridges
  • Free Drop-off
  • Recycle
Inks
  • Free Drop-off
  • Safe Disposal
Lacquers/Stains/Varnishes
  • Free Drop-off
  • Safe Disposal
Light Bulbs - CFLs
  • Free Drop-off
  • Recycle
Light Bulbs - Fluorescent Tubes
  • Free Drop-off
  • Recycle
Light Bulbs - LED
  • Free Drop-off
  • Recycle
Mercury Thermometers
  • Free Drop-off
  • Safe Disposal
Mercury-Containing Items Does not accept flashing shoes, but will accept the flashing device if it is removed from the shoe.
  • Free Drop-off
  • Safe Disposal
Motor Oil
  • Free Drop-off
  • Recycle
Nail polish - Non-empty
  • Free Drop-off
  • Safe Disposal
Oil Filters
  • Free Drop-off
  • Recycle
Paint - Interior & Exterior - New/Unopened
  • Free Drop-off
  • Recycle
Paint - Interior & Exterior - Used/Wet
  • Free Drop-off
  • Recycle
Personal Care & Beauty Products - Used
  • Free Drop-off
  • Safe Disposal
Propane Cylinders - 1 lb - Refillable Five gallons or less only.
  • Free Drop-off
  • Recycle
Toner Cartridges
  • Free Drop-off
  • Recycle
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