Services, Guides, and Information
296 services and resources found
Malus x domestica
Information
Find commonly used technical resources for public works permitting projects including transportation, sewer, stormwater, trees, and water manuals and standards.
Medium and Small Native Trees
Information
Medium Deciduous Trees
Information
Medium Evergreen Trees
Information
Metasequoia glyptostroboides
Information
More Tree Species References
Information
Find references about tree species.
Native and Nuisance Trees
Information
Native Tree List
Information
Native trees provide many ecosystem benefits, such as wildlife habitat and stormwater interception. Native trees are also well-suited and adapted to Portland's climate.
Native Trees of the Pacific Northwest
Information
Neighborhood Tree Plans
Information
Neighborhood Tree Stewards (NTS)
Information
Neighbors' Trees
Information
Some helpful articles and links for understanding the legal side of neighbor's trees.
Nominate a Heritage Tree
Service
Nominate a tree for Heritage Tree Status.
Nuisance Tree List
Information
Learn about trees on the Nuisance Plants List and about where these trees are not allowed to be planted.
Nyssa sylvatica
Information
On-Site Tree Density Requirements
Information
The required tree density is based on the size of the site and type of proposed or existing development. You might be exempt from on-site tree density and tree planting requirements. Find out where tree canopy and tree planting requirements apply. Learn about exemptions and density requirements.
On-Site Tree Preservation
Information
Learn more about tree preservation exemptions. Find out about City requirements for privately-owned trees. Get information about neighborhood notices to mail or post at the construction site. Self-certify that notification requirements are met. Find neighborhood contact information, too.
A permit is required to install ornamental lights in street trees. Below are some basic facts and links for supplemental information.
There are several options for applying including; online, mail, and in person.
Ostrya virginiana
Information
Other Street Tree Permits
Service
This is intended for anything that does not fall within an existing permit type. Below are several options for submitting an application including; online, by email, mail, and in person.
Other Tree Permits - Frequently Asked Questions
Information
Overlay Zone or Plan District for Tree Permits
Information
Determine if your tree is in a specially regulated Overlay Zone or Plan District. If your property falls into one of the overlay zones or plan districts listed below, call 503-823-TREE (8733) to find out tree requirements for that area.
Urban Forestry is responsible for reviewing Street, City, and Heritage trees. Urban Forestry reviews are conducted any time a project is valued at $25K or greater and any time a Street, City , or Heritage tree may be impacted or removed by the development.
See something we could improve on this page? Give website feedback.