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Some City of Portland systems were impacted. Call 3-1-1 or 503-823-4000 with questions or non-emergency reports. Beware of cyber criminals impersonating CrowdStrike or other tech support. Information for City of Portland employees

Heritage Tree Permits- Frequently Asked Questions

This page provides resources and some permit processing information for Heritage trees.

When Is a Heritage Tree Permit Required?

  • A permit is required prior to any work that impacts a Heritage tree. 

Timeline and Process

For current information on processing times, please refer to Alert articles or contact Urban Forestry via the Tree Hotline 503-823-TREE (8733) or email  Incomplete applications will delay the process. 

After the completed application has been received:

  1. An Urban Forestry Tree Inspector will visit the tree to determine if the proposed work can be approved. 

Heritage tree permits are generally valid for one calendar year 

Helpful Resources

Heritage Trees of PortlandInformation on the Heritage Tree program
Tips for Hiring an ArboristHiring an arborist to do tree work can be intimidating. Trees are a slow-growing resource and tree work can be expensive. To protect yourself and your trees, make sure to hire a professional arborist.

Apply for a Heritage Tree  Permit

Questions? Call Urban Forestry at 503-823-TREE (8733) or email

Read the Tree Code, Title 11