Services and Resources for Trees

You may use this form to report tree Code violations as detailed below. For Tree Emergencies that present imminent hazards to a public street or sidewalk please call the Tree Hotline 503-823-TREE(8733).
Learn more about how to request an administrative review of a Title 11 Developoment requirement.
Use this form when you have been given notice of Portland City Code Title 11 violation(s), and believe the findings are in error. You must file within 15 days of your notice.
The permit process requirements for specific types of sidewalk and frontage projects
This page describes the process for root pruning trees in the right-of-way when no development is occurring. For tree activities during development, click here.
Overgrown trees and shrubs endanger us all when they block our view of traffic signs, pedestrians, or other vehicles.
Find the online form, materials, and instructions to prepare a public works permitting design development submittal.
Preconcept meetings are necessary for project and plan preparation to minimize project time and cost. Receive guidance, discuss possible solutions to potential conflicts, ask questions, and learn what information City staff need to effectively review your project.
Hiring an arborist to do tree work can be intimidating. Trees are a slow-growing resource and tree work can be expensive. To protect yourself and your trees, make sure to hire a professional arborist.
Permits are required to attach objects to Street Trees. Criteria, guidelines, and applications are listed here.
Apply for a permit to attach objects to Street Trees. There are several options for applying including; online, mail, and in person.
Tree Bark Newsletter — Urban Forestry's digital newsletter featuring updates about Neighborhood Tree Stewardship, permits, tree inventory, special events, and more! ALL TREES, NO PULP.
As the City's principal manager of the urban forest, PP&R Urban Forestry regularly tracks change in canopy cover and potential, reports on what trees make up the forest, and evaluates efforts to increase canopy. 
Information on caring for trees in Portland.
Information on reporting tree emergencies, defining "emergencies" and "non-emergencies," and when the City gets involved.
These tree pests and diseases are common in the Pacific Northwest, but this is not an exhaustive list.
The Tree Inventory Project collects data on street trees and park trees. By measuring, mapping, and identifying public trees across Portland, we are able to better manage our urban forest.