When Is a Permit Required?
- Street trees: A permit is required for chemical treatment.
- Private trees: No permit is required for chemical treatment.
Fill Out Application
Submit application via Development Hub, by mail or in-person
- log-in, or create an account to get started.
- Select Urban Forestry as type of Permit
- Select Other - Lights, Attachments, Chemical Application
- Type of work is Right of Way
- Follow the next steps
For mail or in-person:
Development Services Center
1900 SW Fourth Avenue
First floor lobby
Portland, OR 97201
See here for current hours.