California
Household hazardous waste drop-off
Pittsburg household hazardous waste drop-off
Hours, sticker price, who can use it, item fees, hazardous waste options, and holiday notes for Delta Household Hazardous Waste Collection Facility (Delta Diablo).
Not a household-trash drop-off. This page covers only the specifically listed recycling, compost, hazardous or specialty materials. Check the accepted materials before loading your vehicle.
Last verified from official sources: 2026-11-09
Who can use it
Residents of East Contra Costa County only: Antioch, Bay Point, Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley and Pittsburg. Bring proof of residency, such as a utility bill or driver's license. Central County residents use Central San in Martinez, and West County residents use the West Contra Costa facility in Richmond.
Hours
- Thursday: 9 a.m.-4 p.m.
- Friday: 9 a.m.-4 p.m.
- Saturday: 9 a.m.-4 p.m.
- Closed Sunday through Wednesday
Sticker or permit
Required: No (see notes)
Price: No separate sticker price was established on the linked page; the eligibility and item fees below still apply.
Where to buy: Contact the facility about access requirements before loading.
Per-item fees
| Item | Fee |
|---|---|
| Drop-off fee | No fee is listed on the Delta Diablo page; call 925-756-1990 to confirm before you go |
| Per-vehicle limit (state rule) | 15 gallons or 125 pounds per vehicle, per visit |
| Container size limit | 5 gallons per container |
| Trips per day | No limit on the number of trips per day |
Hazardous waste
Accepted: home and garden products (lawn care products, cleaners, aerosols, drain openers, solvents, grouts, cements, caulking, sealants, adhesives, lighter fluid, pesticides, insecticides, herbicides, pool chemicals, fertilizers); automotive products (oil, oil filters, antifreeze, brake and transmission fluid, gasoline, car wax and polish, car batteries, degreasers, wheel cleaners, road flares); personal care products (pharmaceuticals, hair care products, lotions, soaps, cosmetics, nail polish remover, perfumes, insect repellent, sunscreen); and light bulbs of all types, electronic waste such as TVs and computers, mercury thermometers, thermostats, sharps, propane and helium tanks, household batteries and cooking oil.
Holiday closures
Delta Diablo lists these closures: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, the Friday after Thanksgiving, the day before Christmas Eve, Christmas Eve, Christmas Day, and all days between Christmas and New Year's.
Holiday schedule last verified 2026-11-09 from official sources .
Other notes
- Not accepted: appliances (call Contra Costa Waste Recycling Center & Transfer Station at 925-473-0180; Brentwood residents call 925-516-6090); asbestos (Altamont Landfill, 925-449-6349); compressed gas cylinders other than propane and helium; infectious, biologically active or radioactive materials (Contra Costa Environmental Health, 925-646-5225 ext. 200); railroad ties and treated wood; tires (1-800-750-4096 or cccrecycle.org; Brentwood residents 925-516-6090); and explosives or ammunition (call local law enforcement).
- Pack materials in sturdy, non-leaking containers no larger than 5 gallons, ideally the originals. Put small leaking containers in zip-top bags and larger ones in separate covered, non-leaking containers for the ride.
- Delta Diablo's main office is at 2500 Pittsburg-Antioch Hwy, Antioch, CA 94509; the drop-off facility address is 2550.
Nearby California towns
Sources
Every fee and hour above was taken from these official pages or PDFs on 2026-11-09. If something conflicts, trust the town.