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Portland Trees

Call before you cut

phone: (503) 823-TREE (8733)

email: trees@portlandoregon.gov

1900 SW 4th Avenue, Portland, OR 97201

Trees & Development

  • Tree requirements apply to most development projects

  • View requirements for tree preservation and tree density/planting

  • How to make a tree plan for development projects

Tree preservation and tree density requirements apply to many development projects, including new construction, additions, and exterior renovations. When applicable, tree requirements will be reviewed as part of your building permit application.

Questions? Staff is available to answer questions regarding the new regulations and processes. You can get help the following ways:


Amendments to Title 11, Trees, Tree Preservation in Development Situations, Become Effective May 13, 2016

New tree preservation requirements for private development projects