phone: (503) 823-TREE (8733)
email: trees@portlandoregon.gov
1900 SW 4th Avenue, Portland, OR 97201
Trees & Development
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Tree requirements apply to most development projects
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View requirements for tree preservation and tree density/planting
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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:
- Call 503-823-TREE (8733)
- Email trees@portlandoregon.gov
- Visit the Development Services Center (DSC) during regular hours DSC location and service hours