CURBCYCLE PICKUP · We’ll pick it up and recycle it for you.Book a pickup →
Book a pickup

Recycling in Contra Costa County, CA

What Contra Costa County itself runs: 2 landfills, sites and programs covering 3 items. If your town doesn’t have its own page, these are usually the places to start.

Checked October 26, 2026 · Call before you go · How we check

What Contra Costa County takes, item by item

Tap a site name for its address, hours and rules.

County sites and programs

Central San Household Hazardous Waste Collection Facility

Central Contra Costa Sanitary District site at 4797 Imhoff Place, Martinez, CA 94553 (unincorporated Contra Costa County). Hours: Residents: Monday–Saturday, 7 am–2 pm (no appointment). Businesses by appointment.

Martinez, Pleasant Hill, Danville, San Ramon, Walnut Creek, Concord residents

Official page (opens in new tab)

Delta Household Hazardous Waste Collection Facility (Delta Diablo)

Household hazardous waste drop-off at 2550 Pittsburg-Antioch Hwy (Arcy Lane), Thursday–Saturday 9 am–4 pm, for residents of Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley and Pittsburg. Proof of residency required. 925.756.1990.

Antioch residents

Official page (opens in new tab)

Cities and towns in Contra Costa County with their own guides

Where this information comes from (10)

Where this information comes from

Checked October 26, 2026

  • Household Hazardous Waste Collection Facility - Central San (opens in new tab) · Central Contra Costa Sanitary District
    • Residents drop off household hazardous waste at no charge, no appointment needed. Checked October 26, 2026.
    • Eligible communities: Alamo, Blackhawk, Clayton, Concord, Clyde, Danville, Lafayette, Martinez, Moraga, Orinda, Pacheco, Pleasant Hill, San Ramon, Walnut Creek and other Central County areas in the Central San service area. Checked October 26, 2026.
    • Small businesses must book an appointment and pay a small fee. Checked October 26, 2026.
  • Hazardous wastes accepted at the HHW Collection Facility (Central San) (opens in new tab) · Central Contra Costa Sanitary District
    • Paints are on the facility’s accepted list. Checked October 26, 2026.
    • Household batteries are on the facility’s accepted list. Checked October 26, 2026.
  • Antioch Residential Service Guide 2025 (opens in new tab) · Republic Services
    • TVs, computer monitors and other electronics can be picked up as bulky items; e-waste can also go free to Delta HHW. Checked October 26, 2026.
  • Household Hazardous Waste | Delta Diablo (opens in new tab) · Delta Diablo
    • Only accepts waste from Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley and Pittsburg. Checked October 26, 2026.
    • Accepted: latex and oil-based paint and related products. Checked October 26, 2026.
    • Accepted: electronic waste (TVs, computers) and household batteries. Checked October 26, 2026.
    • State rules limit transport to 15 gallons or 125 pounds per vehicle per visit. Checked October 26, 2026.

“Checked” means we read the official page on that date. Things can change, so call before you go.

How we check our information