Services and Resources for Trees

Find your neighborhood Tree Team and learn how to get connected!

We work with multifamily, industrial, and commercial property owners to grow tree canopy on private property in low-canopy neighborhoods. Find answers to many commonly asked questions about the program on this page.

Learn more about current efforts to update the City of Portland's tree code.

The award-winning book "From Stumptown to Treetown" takes readers on a journey through the histor-tree of Downtown Portland. Learn from author and local historian David-Paul B. Hedberg about Portland's legacy of tree management.

The Green Street Steward program isn’t just for individuals. Businesses and non-profit organizations can volunteer to adopt green street planters in their neighborhoods, too. Caring for a green street is an easy way to be a good neighbor. Keep the area near your business looking green and inviting.

Find out when you need an arborist report when you're building or renovating. Learn more about what an arborist report must include. Get information about tree reports from arborists before development begins. And, find out what you need from an arborist after work has started.

A basic guide for downloading electronic documents in order to save and send them via the internet.

This page provides resources and some permit processing information for Heritage trees.

Heritage Trees are trees that have been formally recognized by City Council for their unique size, age, historical or horticultural significance. Once accepted by Council, Heritage Trees are designated with a small plaque and listed in the Heritage Tree database.

All applications must be complete and accurate with verifiable photos and correct payment.

Diameter at breast height, or DBH, is the standard for measuring trees. DBH refers to the tree diameter measured at 4.5 feet above the ground.

The best protection against sidewalk damage is to plant the right tree in the right place. Other preventative measures include installing root barriers at time of planting and encouraging deep root growth.

About 135 species of birds breed around Portland. The majority of these birds are federally protected under the Migratory Bird Treaty Act, which protects the birds, their nests, eggs, and feathers. Learn about best management practices to protect birds and their nests when working on City projects.

Helpful resources and instructions for proper pruning

Trees are a readily available, natural way to manage the rain on your property. Trees are easy to plant, low-cost, and most property owners can do the work themselves. Learn about the types of trees best suited for your property before planting.