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Planning Commission backs sweeping tree ordinance update, narrows some exemptions

Petaluma Planning Commission · March 10, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

The commission recommended that City Council adopt a comprehensive update to the Tree Preservation Ordinance (IZO Chapter 17), directing staff to remove an arborist-report requirement for imminent-hazard exemptions, add a definition of "imminent," revisit replacement ratios for development projects and eliminate or lower the single-family exemption threshold so more residential trees are covered.

The Planning Commission voted unanimously to recommend that City Council adopt a comprehensive update to the City's Tree Preservation Ordinance (TPO), with a set of commissioner-directed edits to how exemptions and replacement requirements will be implemented.

Staff presented the draft ordinance as a comprehensive rewrite that would broaden coverage to most trees greater than 6 inches diameter at breast height (DBH), create a single tree-removal permit process (covering private and public trees), establish replacement requirements and an in-lieu fee option, and clarify review authority and enforcement. Staff said the draft was informed by the Tree Advisory Committee, a Cal Fire grant, and public outreach; it also proposes resources such as a consulting arborist desk review and paid site-visit consults to reduce burdens on…

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