Household hazardous waste / e-waste drop-off
Central Contra Costa Household Hazardous Waste Collection Facility
Official drop-off for Concord, CA. City dispose pages own the rule for each item. This page is the place: address, hours, and the originating program. Confirm before you go.
Address: 4797 Imhoff Place, Martinez, CA 94553
Hours: Mon–Sat 07:00–14:00 (Reuse Room until 13:30); residents no appointment
Phone: 800-646-1431
ZIP: 94553
Official source: www.centralsan.org/household-hazardous-waste-collection-facility
Central Contra Costa Household Hazardous Waste Collection Facility and nearby drop-offs
Map stays on this page7 pins on map · tap a pin or list item
Materials often accepted
Tied to this site’s listing — still confirm on the official source. Each link is the Concord city rule, not a national guess.
- Latex Paint in Concord
- Oil-Based Paint in Concord
- Pesticides in Concord
- Herbicides in Concord
- Pool Chemicals in Concord
- Gasoline in Concord
- Motor Oil in Concord
- Antifreeze in Concord
- Car Battery in Concord
- Household Batteries in Concord
- Lithium-Ion Battery in Concord
- Fluorescent Bulbs / CFLs in Concord
- Propane Tank in Concord
- Cooking Oil in Concord
- Television in Concord
- Computer Monitor in Concord
- Laptop in Concord
- Desktop Computer in Concord
- Printer in Concord
- Tablet in Concord
- Smartphone in Concord
- Hard Drive in Concord
- Mixed E-Waste in Concord
- Ink / Toner Cartridges in Concord
- Solar Panel in Concord
- Microwave in Concord
Other drop-offs within 40 miles
- Contra Costa Transfer & Recovery StationTransfer station / C&D recovery · 1.3 mi951 Waterbird Way, Martinez, CA 94553
- Central Contra Costa HHW Collection FacilityCounty transfer / HHW / landfill · Oakland, CA · 1.9 mi4797 Imhoff Place, Martinez, CA 94553
- Central Contra Costa HHW Collection Facility (Fremont hub)County transfer / HHW / landfill · Fremont, CA · 1.9 mi4797 Imhoff Place, Martinez, CA 94553
- Contra Costa Transfer & Recovery StationCounty transfer station · Fremont, CA · 2.4 mi951 Waterbird Way, Martinez, CA 94553
- Recology Hay Road Transfer StationCounty transfer / HHW / landfill · Oakland, CA · 4.2 mi4000 Hay Road, Benicia, CA 94510
- Central Contra Costa Transfer StationCounty transfer / HHW / landfill · Fremont, CA · 11 mi1300 Loveridge Road, Pittsburg, CA 94565
Common questions
When is Central Contra Costa Household Hazardous Waste Collection Facility open?
Listed hours: Mon–Sat 07:00–14:00 (Reuse Room until 13:30); residents no appointment. Confirm on the official source before you drive — holiday and event hours change.
Is there a phone number for Central Contra Costa Household Hazardous Waste Collection Facility?
Call 800-646-1431 for load rules, residency, and whether you need an appointment.
What can I drop off at Central Contra Costa Household Hazardous Waste Collection Facility?
This site is listed for Latex Paint, Oil-Based Paint, Pesticides, Herbicides, Pool Chemicals, Gasoline, Motor Oil, Antifreeze, Car Battery, Household Batteries, Lithium-Ion Battery, Fluorescent Bulbs / CFLs, Propane Tank, Cooking Oil, Television, Computer Monitor, Laptop, Desktop Computer, Printer, Tablet, Smartphone, Hard Drive, Mixed E-Waste, Ink / Toner Cartridges, Solar Panel, Microwave. Acceptance still depends on the official program — not this list alone.
Do I need to live in Concord to use Central Contra Costa Household Hazardous Waste Collection Facility?
Many municipal dumps and HHW sites are resident-only or appointment-only. Check the official Concord, CA program page before you load the vehicle.
Where is the official listing for Central Contra Costa Household Hazardous Waste Collection Facility?
DumpRegistry cites the originating program. Confirm hours and fees on that official page, not a third-party directory.