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The City of Portland, Oregon

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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

Tree Requirements for Building Permits

Tree preservation and tree density requirements apply to development projects, including new construction, additions, and exterior renovations per Chapter 11.50, Trees in Development Situations.

Download these requirements as a PDF

Self-certification form

Required only when removing of trees 36" or greater on private property

Suggested neighborhood notice language

Required only when removing of trees 36" or greater on private property

On-site posted notice

Required only when removing of trees 36" or greater on private property

Tree Preservation

On-Site Tree Density Requirements

Tree Preservation, Density & Planting Requirements (pdf)

Tree Plan Requirements

Protecting Trees During Construction & Tree Preservation Inspections