Tree Trimming: Castro Valley vs San Leandro
How do tree trimming rules compare between Castro Valley, CA and San Leandro, CA?
Castro Valley and San Leandro have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County requires trimming of trees that obstruct public rights-of-way, block street-sign visibility, or interfere with utility lines. Protected heritage and native oak trees may require a permit before trimming.
View full Castro Valley rules →San Leandro, CA
Alameda County
San Leandro property owners must keep vegetation trimmed back from streets and sidewalks. Street trees are regulated by Public Works; permits needed for city tree work.
View full San Leandro rules →Key Facts Comparison
| Fact | Castro Valley | San Leandro |
|---|---|---|
| Sidewalk clearance | 8 feet | - |
| Street clearance | 14 feet | - |
| Chimney clearance | 10 feet (PRC 4291) | - |
| Protected trees | Permit may be required | - |
| Utility lines | PG&E handles | - |
| Sidewalk Clear | - | 8 ft vertical |
| Street Clear | - | 14 ft vertical |
| Street Trees | - | City-owned |
| Permit | - | Public Works |
| Sight Triangles | - | Must be clear |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can my neighbor trim my tree?
Yes, a neighbor may trim branches that overhang their property to the property line, but cannot damage the tree or enter your yard without permission.
Do I need a permit to trim my oak tree?
Possibly, if the tree is protected under a local heritage tree ordinance or is in a designated natural resource area; check with Alameda County Planning before major pruning.
San Leandro FAQ
Can I trim the street tree in front of my San Leandro home?
Not without a permit from Public Works. Street trees are city property and unauthorized pruning can result in fines.
Who enforces this in San Leandro?
San Leandro code enforcement at (510) 577-3394 handles most complaints. Alameda County agencies handle regional issues.
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