Tree Protection in Portland, OR (2026)
2 verified tree protection rules for Portland, Oregon, sourced directly from the municipal code and official government pages.
Verified from official government sources
Heritage & Protected Trees
Portland designates Heritage Trees by City Council action, and removing, pruning, or injuring one without written authorization from the City Administrator is unlawful.
Portland Heritage Tree Protection
Significant RestrictionsPortland City Code § 11.20.060(H)
Heritage trees on private property must be maintained by the property owner. It is unlawful for any person without prior written authorization from the City Administrator to remove, prune, or injure any Heritage Tree. The City Forester will report to the Urban Forestry Commission any such authorization granted. I. Emergencies. 1. If the City Administrator determines that a Heritage Tree is da...
Parkway Planting
Portland requires new development and street-improvement projects to plant one street tree for every 25 feet of frontage in the public right-of-way, reviewed under City Code Title 11's street tree planting standards.
Portland Street Tree Planting Rules
Some RestrictionsPortland City Code § 11.50.060
One street tree must be planted or retained for each full increment of 25 linear feet per side of street frontage. When the required number of trees cannot be planted, a fee in lieu of planting may be required. For City projects, required trees that cannot be planted within the improvement area may be planted elsewhere on City property or in the street, instead of paying a fee in lieu of planti...
Looking for Multnomah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Portland city rules.
Tree Protection in Multnomah County →