Recycling Requirements: Castro Valley vs Fremont
How do recycling requirements rules compare between Castro Valley, CA and Fremont, CA?
Castro Valley and Fremont have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County mandates recycling and organics separation under SB 1383 and StopWaste Mandatory Recycling Ordinance. Residents must separate paper, containers, and organics.
View full Castro Valley rules →Fremont, CA
Alameda County
Fremont requires residents and businesses to separate recyclables and organics from trash under state SB 1383 and local ordinance. Blue carts take recyclables; green carts take food scraps and yard waste.
View full Fremont rules →Key Facts Comparison
| Fact | Castro Valley | Fremont |
|---|---|---|
| Laws | SB 1383, StopWaste Mandatory Recycling Ordinance | - |
| Streams | Garbage, recycling, organics required | - |
| Contamination | May incur service fees | - |
| Contact | StopWaste (510) 891-6500 | (510) 494-4570 |
| State law | - | SB 1383 organics |
| County law | - | Alameda Mandatory Recycling |
| Blue cart | - | Paper, glass, metal, plastic 1-7 |
| Green cart | - | Food scraps and yard waste |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I have to separate food scraps?
Yes. California SB 1383 mandates organics separation including food scraps for all residents and businesses statewide.
What plastics are recyclable in Alameda County?
Rigid plastic containers (bottles, tubs, jugs) are recyclable. Plastic bags, film, and foam go in the garbage. Check stopwaste.org for the guide.
Fremont FAQ
Can I put food scraps in the green cart?
Yes. SB 1383 requires all food scraps, including meat and dairy, to go in the green organics cart.
Are plastic bags recyclable in the blue cart?
No. Plastic bags are not accepted curbside. Return them to grocery store drop-off bins.
Compare other topics
See how Castro Valley and Fremont compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool