Home›California›Contra Costa County›Central Contra Costa Household Hazardous Waste Collection Facility
Central Contra Costa Household Hazardous Waste Collection Facility
Permanent drop-off A household hazardous waste drop-off site run by Central Contra Costa Sanitary District (Central San) in Martinez, Contra Costa County, California.
- Address
- 4797 Imhoff Pl, Martinez, CA 94553
- Hours
- Mon-Sat 7:00 am-2:00 pm
- Who can use it
- Residents of the Central San service area (central Contra Costa County)
- Cost
- Free for residents
- Appointment
- Not required
- Phone
- 800-646-1431
Call ahead. Hours, limits and accepted items change, and sites close for weather and holidays. Confirm with Central Contra Costa Sanitary District (Central San) at 800-646-1431 before you load the car.
What you can bring
The source does not list accepted items for this program. Call before you go.
What they won’t take
The source does not list excluded items.
Limits
Quantity limits15 gallons or 125 pounds per trip (state transport limit); containers 5 gallons or smaller
Rules and residency
Who can use itResidents of the Central San service area (central Contra Costa County)
Nearby alternatives
Distances are straight-line from this site. Most programs only serve their own residents: check “who can use it” first.
- Permanent drop-off · 6 mi away · 2400 E 2nd St, Benicia, CA 94510Who can use it: Benicia residents; bring a driver license with a Benicia address
- Permanent drop-off · 12 mi away · 2550 Pittsburg-Antioch Hwy, Antioch, CA 94509Who can use it: Residents of Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley and Pittsburg; proof of residency required
- Permanent drop-off · 14 mi away · 7501 Schmidt Ln, El Cerrito, CA 94530Who can use it: Residents of the RecycleMore area (El Cerrito, Hercules, Pinole, Richmond, San Pablo and nearby unincorporated communities) with proof of residency; Kensington residents…
- Permanent drop-off · 17 mi away · 101 Pittsburg Ave, Richmond, CA 94801Who can use it: Residents of Crockett, El Cerrito, El Sobrante, Hercules, Kensington, North Richmond, Pinole, Port Costa, Richmond, Rodeo, San Pablo and Tormey
- Permanent drop-off · 18 mi away · 2100 East 7th St, Oakland, CA 94606Who can use it: Alameda County residents; bring ID showing an Alameda County address (driver license, utility bill or lease)
- Permanent drop-off · 18 mi away · 889A Devlin Rd, American Canyon, CA 94503
- Home pickup
All programs in Contra Costa County →
FAQ
Who can use Central Contra Costa Household Hazardous Waste Collection Facility?
Residents of the Central San service area (central Contra Costa County)
Is it free?
Free for residents
Do I need an appointment?
No appointment is required, according to the official page.
Last checked Tue, Oct 20, 2026, checked against the program’s own official page. Sources:
- www.centralsan.org/household-hazardous-waste-collection-facility
- www.deltadiablo.org/household-hazardous-waste
- dtsc.ca.gov/household-hazardous-waste/