Removing any oak tree 8+ inches in diameter (25+ inches circumference) in unincorporated LA County requires an Oak Tree Permit under Chapter 22.174. The ordinance protects all species of the oak genus. Damage includes burning, toxic substances, trenching, paving, and changing natural grade. Violations: $5-$200 fine and/or up to 50 days jail.
Removing any oak tree 8+ inches in diameter (25+ inches circumference) in unincorporated LA County requires an Oak Tree Permit from the Department of Regional Planning under Chapter 22.174. The application requires an arborist report assessing the tree's health, species, and significance. The department reviews whether the tree can be preserved through project redesign. If removal is approved, replacement planting is typically required at a 2:1 to 10:1 ratio with monitoring. Emergency removal of hazardous trees may be done without a permit but requires after-the-fact documentation. Non-oak trees on private property generally do not require removal permits.
Unpermitted removal of a protected oak tree is a misdemeanor with fines up to $1,000 per tree plus mandatory replacement at ratios up to 10:1. Replacement trees must be maintained for a minimum of 5 years with monitoring reports. Total costs for illegal removal can exceed $50,000 including fines, replacement trees, and monitoring. The violation attaches to the property and must be disclosed in real estate transactions.
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