Tree Inventory Project

Urban Forestry staff measuring diameter of a street tree.
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.
On this page
A photo of two people examining the leaves of a tree while conducting an inventory of street trees.

Starting in 2010, PP&R partnered with communities to measure, map, and identify nearly 220,000 street trees and 30,000 park trees. Information and tools from this project help professionals and community members protect, preserve, and grow our urban forest.  

Street Tree Inventory 2.0

Urban Forestry staff began a re-inventory of street trees in 2022. This work is part of a three year project to update the data from Portland's first complete Street Tree Inventory (2010 - 2016). 

  • See photos from the 2023 field season here. 
  • The 2024 field season will occur from May-October 2024. Subscribe to Urban Forestry's monthly newsletter, Tree Bark, to learn about upcoming job opportunities with Urban Forestry, including seasonal work as a Data Collector for the Street Tree Inventory Project. 

Data, Reports, and Maps

Use the map below to find out what trees are in your park or on your block, or search by address, species, or even filter for the largest tree in your neighborhood on our mobile-friendly Tree Inventory Project Web App.

Remote Media URL


Read our report from Street Tree Inventory 1.0 (2010-2016). This report includes detailed information about nearly 220,000 street trees across Portland, including information about the methods used for this study:

Individual street tree reports and detailed Tree Plans for over 50 neighborhoods are also available - email for more information.

Learn about trees our parks with this interesting web-based storymap:

  • Park Tree Inventory Report - Sorry, this link is being updated! Check back soon!

Download data files for all inventories: 

Virtual Tours of Portland's Parks

In 2019, Urban Forestry and our dedicated volunteers finished inventorying every tree in 174 parks! Take an up-close look at what we found in selected parks by clicking the links below.


Past Events