Chino Hills, CA Landscaping Rules: Tree Removal & Heritage Trees (2026)

Chino Hills protects specific trees under CHMC Chapter 16.90 (Tree Preservation). It is unlawful to destroy or remove a protected tree on undeveloped property or designated developed property without a Tree Removal Permit. Protected native trees are four species - California Sycamore, California Live Oak, California Black Walnut, and Coastal Scrub Oak - that are visible to the public and four inches or greater in diameter at 4.5 feet height (DBH). A heritage tree is any single- or multi-trunk tree with a cumulative diameter of 44 inches or greater at DBH of significant age, health, and quality, as deemed by a City-approved certified arborist; heritage trees on new development also require permits. When a permit is required, no grading or building permits are issued, and no work that would remove a non-exempt protected tree may begin, until the tree permit is issued. Property owners apply through the Community Development Department using the Tree and Plant Removal Application. Separately, City-owned and parkway trees may never be removed by residents - only the City removes public trees, and damaging one violates CHMC 12.26.100. This is a city ordinance that goes well beyond any default state requirement.