Heritage & Protected Trees: Castaic vs Pasadena
How do heritage & protected trees rules compare between Castaic, CA and Pasadena, CA?
Castaic has fewer restrictions than Pasadena.
Castaic, CA
Los Angeles County
LA County's Oak Tree Permit Ordinance (Chapter 22.174) protects oak trees in unincorporated areas. Heritage oak trees are recognized for their commemorative, horticultural, and historical significance. The ordinance aims to preserve and propagate the oak tree heritage. County forester reviews applications.
View full Castaic rules →Pasadena, CA
Los Angeles County
Pasadena's Tree Protection Ordinance (PMC 8.52) protects native, specimen, mature, landmark, and landmark-eligible trees on private property. Native trees include Coast live oak, Engelmann oak, Canyon oak, California sycamore, and California walnut with trunks 8+ inches diameter at 4.5 ft above grade.
View full Pasadena rules →Key Facts Comparison
| Fact | Castaic | Pasadena |
|---|---|---|
| Heritage Oaks | Recognized for significance | - |
| Ordinance | Chapter 22.174 | - |
| Review | County forester inspection | - |
| Purpose | Preserve threatened oak heritage | - |
| Code Section | - | PMC Chapter 8.52 |
| Native Threshold | - | 8-inch trunk at 4.5 ft |
| Species | - | Oak, sycamore, walnut, others |
| Incentives | - | Development standard waivers possible |
Highlighted rows indicate differences between cities.
Castaic FAQ
Are oak trees protected in LA County?
Yes. All native oaks with trunks 8+ inches in diameter (25+ inches circumference) are protected under the Oak Tree Permit Ordinance (Chapter 22.174). You need a permit before removing, relocating, or working near a protected oak.
What is the protected zone around an oak tree?
The drip line of the tree plus 5 feet in all directions. No grading, paving, trenching, or construction is allowed within this zone without an Oak Tree Permit. Root compaction from heavy equipment is also prohibited.
How do I get an Oak Tree Permit?
Apply through the LA County Department of Regional Planning at (213) 974-6411. An arborist report is typically required. The process includes review of alternatives to removal and may require replacement planting.
Pasadena FAQ
How is a heritage tree designated?
Based on trunk size (typically 24+ inches), species rarity, age, or historical significance. Residents may nominate trees.
Can I ever remove a heritage tree?
Only with special approval, typically from city council or tree commission. Granted mainly for safety hazards.
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