Plans, Reports, Maps, and Guidebooks

Park and Street Tree Maintenance

Plans and reports that guide the care and maintenance of park and street trees.

• The Park Tree Maintenance Plan guides the care and maintenance of park trees by setting a standard of care and establishing priorities.
  • Park Tree Maintenance Plan (2024) 3.02 MB
• Managing Street Trees - Reports from 2009 and 2020 estimating the cost of proactively maintaining Portland's 200,000+ street trees, a responsibility that currently falls on adjacent property owners.
  • Managing Street Trees as Green Infrastructure (2020) 7.59 MB
  • Initial Assessment of the Costs of Managing Street Trees as a Public Asset (2009) 2.3 MB

Tree Diseases and Pests

Citywide response plans and reporting on management of tree diseases and pests.

Dutch Elm Disease Annual Reports

• Annual findings and recommendations that guide the City's strategy for managing Dutch elm disease. 
  • 2013 – Current DED Annual Reports (Links to City Archives & Records Management Efile system)

Emerald Ash Borer Response Plan

• The Emerald Ash Borer Response Plan guide's the City's strategy for managing emerald ash borer.
  • EAB Response Plan - June 2025 5.02 MB
  • Natural Areas Addendum, EAB Response Plan - January 2026 618.75 KB

Tree Canopy Monitoring

Reports on the status and value of Portland's canopy.

• Portland's Tree Canopy Explorer is an interactive map for you to see where tree canopy is spread across the city. 
  • Tree Canopy Explorer
• Tree Canopy Monitoring, Portland's latest estimate of tree canopy cover finds 29.8% of the city under tree canopy in 2020, down from 30.7% in 2015.
  • Tree Canopy Monitoring 2000-2020 2.06 MB
• Tree Canopy and Potential, Urban Forestry's 2018 study of available planting space in the city found room for 1.3 million trees, which would provide nearly $200 million annually in services.
  • Tree Canopy and Potential - 2018 15.67 MB
• In 2007, Urban Forestry released its first canopy report, where it identified the replacement value of Portland's public tree resource as over $2.3 billion and the structural value of the entire urban forest canopy as nearly $5 billion.
  • Urban Forest Canopy: Assessment and Public Tree Evaluation 2007 780.56 KB
• My City's Trees - a web-based tool to explore baseline canopy and land use data from Portland's Urban Forest Inventory and Analysis project, a partnership between the City of Portland and the U.S. Forest Service.
  • My City's Trees

Tree Inventory

Since 2010, Urban Forestry has partnered with communities to measure, map, and identify street and park trees. Information and tools from the inventory help professionals and community members protect, preserve, and grow our urban forest. 

• The interactive Street Tree Inventory Report includes maps, data, and analysis from Portland's comprehensive inventory of 252,180 trees
  • Street Tree Inventory Report (2025)
  • Interactive Dashboard
  • Neighborhood Thematic Maps
• First Street Tree Inventory (2010-2016). This report includes detailed information about nearly 220,000 street trees across Portland, including information about the methods used for this study:
  • Citywide Street Tree Inventory Report (2017) 5.45 MB
• Street Tree Inventory Protocols and Manual
  • Tree Inventory Manual 2024 (Links to City Archives & Records Management Efile system)
  • Inventory Protocol (Links to City Archives & Records Management Efile system)
  • Site Evaluation Cheat Sheet (Links to City Archives & Records Management Efile system)
• Park Tree Inventory Report - results of inventory of over 25,000 trees in Portland's developed parks
  • Park Tree Inventory Report (2020)
• Download the Inventory Data
  • Street Tree Inventory 2.0 (2022-2024) excel workbook with raw data: Street Tree Inventory 2.0 data 44.94 MB
  • ArcGIS shapefiles and CSV files for Street Tree Inventory 2.0 (2022-2024):
    • Street Trees (2022-2024)
    • Park Trees (2017-2019)
  • Naturalized and Unimproved Right-of-Way Sample Survey. In Fall 2024, Urban Forestry conducted a sample survey which estimated an additional 81,000 trees in rights-of-way not inventoried by the Street Tree Inventory project. 
    • Excel workbook with methods and results: Naturalized Right-of-Way Sample Survey Methods 50.27 KB

Tree Planting

Strategies and reports that guide Urban Forestry tree planting.

• Growing a More Equitable Urban Forest, Portland's citywide tree planting strategy. The result of over a year of conversations with diverse communities around Portland and citywide survey of residents to identify barriers, opportunities, and recommendations for growing a forest that serves all Portlanders equitably. 
  • Tree Planting Strategy - December 2018 5.37 MB
• Tree Planting Report, an annual report detailing the City's planting efforts and long-term monitoring of trees planted or given away by PP&R Urban Forestry.
  • 2025 Tree Planting Report
  • 2024 Tree Planting Report
  • 2023 Tree Planting Report
  • 2022 Tree Planting Report
  • 2021 Tree Planting Report
  • 2020 Tree Planting Report
  • 2019 Tree Planting Report

TreePlotter

Explore live tree information across Portland through the City's TreePlotter inventory and Portland Open GeoData.

Tree Code and Trust Fund

Tree Code Reports

Reports on the implementation of Portland's Tree Code, Title 11, adopted on January 1, 2015

• Citywide Tree Project Data Report January 1 - December 31, 2015 870.31 KB
• Tree Code Oversight Advisory Committee Recommendations Report - February 2016 3.64 MB
• Interim Administrative Rule for Tree Mitigation Half-Year Data Report 2015 477.51 KB
• 2016 Tree Planting Compliance Report 1.08 MB
• 2015 Tree Planting Compliance Report 316.23 KB

Title 11 Fund Reports

Annual reports on the Tree Planting and Preservation Fund and the Urban Forestry Fund, including fund revenue, expenses, and fiscal year-end balances.

• 2016-2023 Urban Forestry Trust Fund Reports (Links to City Archives & Records Management Efile system)

Urban Forest Management Plan

The 2025 Portland Urban Forest Plan guides the management and administration of Portland's urban forest, providing direction for the maintenance and improvement of this important resource.

Previous Urban Forest Management Plans

• The 2025 Portland Urban Forest Plan replaces Portland's older urban forest management plans, including: 
  • Urban Forest Management Plan 2004 990.72 KB
  • Urban Forestry Management Plan 1995 24.94 MB
• The Urban Forest Action Plan was developed to help implement the major goals and desired outcomes of the 2004 Management Plan. 254.45 KB
  • Urban Forest Action Plan 2007

Urban Forest Action Plan Implementation Updates

These reports summarize progress and performance measures for the Urban Forest Action Plan, led by Urban Forestry in cooperation with multiple City bureaus.

• 2009 - 2023 Urban Forest Action Plan Implementation Updates (Links to City Archives & Records Management Efile system)

Heritage Tree Guidebooks, Walks, and Stories

• Heritage Tree Guidebook. This 76-page guide has maps, species descriptions, best viewing times, and more. Print editions are not currently unavailable. 
  • Heritage Tree Guidebook 48.03 MB
• From Stumptown to Treetown: A Field Guide for Interpreting Portland's History through its Heritage Trees. This award-winning book, written by David-Paul B. Hedberg, connects historic photos to living trees in the city and invites you to explore some of Portland's oldest living features. 
  • From Stumptown to Treetown 14.15 MB
• Learn how to research the history of trees in Portland using this guide, developed by Portland historian Dave-Paul Hedberg. The guide covers topics such as web searches, conducting interviews with community members, and how to utilize local archives.
  • Historical Tree Research Guide 7.14 MB