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Chemical Treatment Tree Permits

There are several options for applying including; online, mail, and in person.

  1. Introduction

    When Is a Permit Required?

    See Chemical Treatment Permits FAQ for more details. 

  2. Fill Out Application

    Call 503-823-TREE (8733) to request a paper Chemical Treatment Application

    Need Help Using Electronic Documents?

    Or download the forms below:

  3. Gather Materials

    Make sure to include:

    • Chemical Treatment Permit Application
    • A check made out to "City of Portland"
      • You can find the cost on the Fee Schedule below
    Fee Schedule (137.16 KB)
  4. Mail to:

    Urban Forestry
    1900 SW 4th Ave, Suite 5000
    Portland, OR97201
    United States

  1. Introduction

    When Is a Permit Required?

    See Chemical Treatment Permits FAQ for more details. 

  2. Fill Out Application

    Call 503-823-TREE (8733) to request a paper Street Tree Permit Application (non-removal)

    Need Help Using Electronic Documents?

    Or download the forms below:

  3. Bring in Application

    Development Services Center
    1900 SW Fourth Avenue
    First floor lobby
    Portland, OR 97201