important alert
State closes I-5 southbound at Rose Quarter for 5 weeks starting Sept. 11

Plan for major delays. More at i5rosequarter.org. Visit Shift Your Trip to keep Portland moving.

informational alert
Portland is a Sanctuary City

Chemical Treatment Tree Permits

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

When Is a Permit Required?

See Chemical Treatment Permits FAQ for more details. 

Fill Out Application

Need Help Using Electronic Documents?

Submit application via Development Hub, by mail or in-person

  1.  log-in, or create an account to get started. 
  2. Select Urban Forestry as type of Permit 
  3. Select Other - Lights, Attachments, Chemical Application
  4. Type of work is Right of Way 
  5. Follow the next steps

Go to Development Hub

Development Services Center

1900 SW Fourth Avenue
First floor lobby
Portland, OR 97201

See here for current hours.


 

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