Why Simi Valley Has Some of the Strictest Tree Protection in the State

If you live in Simi Valley or are thinking about moving there, tree protection are one of those things you probably won't think about until they affect you directly. Simi Valley has 2 specific rules on the books covering different aspects of tree protection, and some of them might surprise you.

Tree Removal Permits

Simi Valley requires permits to remove protected trees including native oaks and designated significant trees. The application process requires an arborist report and the city typically mandates replacement planting or in-lieu fees.

Key details: Permit Required: For all protected trees. Protected Threshold: 5-inch diameter native oaks. Arborist Report: Required with application. Review Time: 4 to 6 weeks typically.

Removing a protected tree without a permit carries fines from $1,000 to $10,000 per tree depending on species and size. The violator must also plant replacement trees at enhanced ratios (up to 5:1) and pay restoration costs. Criminal prosecution may be pursued for willful violations. Enforcement is handled by Code Enforcement at (805) 583-6238.

This is not one of those rules that cities tend to ignore. Simi Valley actively enforces its tree removal permits requirements.

Heritage & Protected Trees

Simi Valley designates certain exceptional trees as heritage trees based on their size, species, historical significance, or ecological value. Heritage trees receive enhanced protection beyond standard tree preservation requirements.

Key details: Designation Criteria: Size, species, history, ecology. Common Threshold: 24+ inch trunk diameter. Root Protection: Drip line plus 5 feet. Penalty Range: $5,000 to $25,000 per tree.

Damaging or removing a heritage tree carries enhanced penalties of $5,000 to $25,000 per tree. Construction activity that damages a heritage tree may result in project stop-work orders. Violators must pay for full restoration including arborist treatment and extended monitoring. Criminal charges may be filed for intentional destruction.

This is one of the stricter rules in Simi Valley's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

The Bottom Line

Simi Valley is tougher than many cities when it comes to tree protection. Out of the 2 rules covered here, 2 are rated strict. If you are a homeowner, renter, or business owner in Simi Valley, take the time to understand these requirements before they become a problem. Most violations come with fines, and some repeat violations can escalate.

All of the above reflects Simi Valley's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.