Because mature trees are protected by the San Gabriel Municipal code, residents should apply for a free permit before pruning or trimming their tree to be certain it's okay to do so. Pruning is the most common tree maintenance procedure. Forest trees grow well in a natural environment. However, landscape trees need a different level of maintenance. Pruning should be done with an understanding of how the tree responds to each cut. Improper trimming can cause damage that will last for the life of the tree, or worse, shorten the life of the tree entirely.
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You need to complete a Tree Removal/Trimming Permit request for private property and submit it to the Community Development Department. Your request will be approved or denied within a week of the receipt of the completed application. If you have questions or concerns regarding your permit, please call the Community Development Department at (626) 308-2806.