Fireworks: Castro Valley vs San Leandro
How do fireworks rules compare between Castro Valley, CA and San Leandro, CA?
Castro Valley and San Leandro have similar restriction levels.
Castro Valley, CA
Alameda County
All fireworks - including 'safe and sane' types - are prohibited in unincorporated Alameda County. Only three cities (Dublin, Newark, Union City) permit safe and sane fireworks during a limited window. Possession of dangerous fireworks is a misdemeanor under California Health & Safety Code §12700, with state fines starting at $1,000 and reaching $100,000 for large quantities.
View full Castro Valley rules →San Leandro, CA
Alameda County
All fireworks, including safe and sane, are banned in San Leandro year-round. Violations carry fines up to 1,000 dollars and possible misdemeanor charges.
View full San Leandro rules →Key Facts Comparison
| Fact | Castro Valley | San Leandro |
|---|---|---|
| Unincorporated Areas | All fireworks banned (no safe-and-sane exception) | - |
| State Law | CA H&S Code §§12500-12728 | - |
| Min. Fine (under 25 lbs) | $1,000 (HSC §12700) | - |
| Max. Fine (5,000+ lbs) | $100,000 (HSC §12700) | - |
| Cities Allowing Safe & Sane | Dublin, Newark, Union City only | - |
| Report Violations | Sheriff (510) 667-7721 | - |
| All Fireworks | - | Banned year-round |
| Fine | - | Up to 1,000 dollars |
| Safe and Sane | - | Not permitted |
| Social Host | - | Property owner liable |
| Report | - | Nail Em tip line active |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can I use safe-and-sane fireworks at my home in unincorporated Alameda County?
No. The county prohibits all fireworks - including state-approved safe and sane - in unincorporated areas. Only Dublin, Newark, and Union City permit safe and sane, and they must be purchased and used within those city limits.
What are the actual fines for fireworks in Alameda County?
Under California H&S Code §12700, possession of under 25 pounds of dangerous fireworks is a misdemeanor punishable by $1,000-$2,000 and up to one year in county jail. Larger amounts trigger fines up to $100,000. Alameda County is also considering local civil fines targeting host property owners.
San Leandro FAQ
Are safe and sane fireworks legal in San Leandro?
No. San Leandro bans all fireworks, including safe and sane types that are legal in nearby cities like Newark or Union City.
Can I get fined if neighbors set off fireworks at my rental?
Yes. Property owners face social host penalties if fireworks are used on their property.
Compare other topics
See how Castro Valley and San Leandro 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