Tree removal permit rules in Thousand Oaks, CA — sometimes called heritage tree, protected tree, or street tree ordinances — list which trees require a permit before you can cut them down.
Thousand Oaks has oak tree preservation protections — no ADUs or structures in protected tree zones. Tree removal permits may be required by TOMC Title 9 for protected species. Contact Community Development for permits.
Thousand Oaks has robust tree protection under its Heritage Tree Ordinance. Protected trees include all oaks (native species), California sycamores, California walnuts, and other designated heritage trees with trunk diameters of 8+ inches. A tree removal permit from the Community Development Department is required before removing any protected tree. The permit process includes an arborist report and may require replacement planting. Trees on public property are managed by the city's Public Works Department and cannot be removed by residents.
Removing a protected tree without a permit: fines of $500-$10,000 per tree plus mandatory replacement at ratios of 2:1 to 10:1. 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. Damaging public trees: restitution at full replacement value.
Thousand Oaks, CA
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Side-by-side rule comparisons with other cities in Ventura County.
See how other cities in Ventura County handle tree removal & heritage trees.
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