Tree Removal & Heritage Trees: Castro Valley vs Hayward
How do tree removal & heritage trees rules compare between Castro Valley, CA and Hayward, CA?
Hayward has fewer restrictions than Castro Valley.
Castro Valley, CA
Alameda County
Alameda County regulates removal of protected trees including heritage oaks, trees over specified diameters, and trees in designated natural resource areas. Permits are often required before removal on private property.
View full Castro Valley rules →Hayward, CA
Alameda County
Hayward requires a permit to remove protected heritage trees and street trees. Most private non-heritage trees can be removed without a permit.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| Protected species | Native oaks, heritage trees | - |
| Permit trigger | Often 10-12 inch DBH | - |
| Emergency dead tree | No permit typically | - |
| Mitigation | 2:1 or 3:1 replacement | - |
| Review authority | Alameda County CDA | - |
| Permit needed | - | Heritage and street trees |
| Not required | - | Private non-heritage |
| Review | - | Planning Division |
| Replacement | - | Often required |
| Hazard trees | - | Expedited process |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can I remove a dead oak?
Dead or hazardous trees can generally be removed without a permit, but documenting condition with photos and keeping an arborist letter protects you from future disputes.
What counts as a heritage tree?
Definitions vary but typically trees of significant size (often 48 inches circumference at DBH), species, historic value, or landmark status qualify; check with county planning.
Hayward FAQ
How do I know if my tree is heritage?
Contact Hayward Planning at (510) 583-4216 with species and trunk diameter at 4.5 ft for an assessment.
Do I need a permit for a dead tree?
Yes if it is a protected species or in the right-of-way, though the process is expedited with proof of mortality.
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