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Street Use Home
Urban Forestry
Arborist Unit
Landscape Architect Unit
Field Operations Unit
Street Tree Management Plan
206-684-TREE (8733)
Street Tree Planting Procedures
Urban Forestry Permits
Tree Service Providers
Tree Pruning Guide
Seasonal Tree Care
Utility/Tree Inspections
Heritage Tree Program
Seattle Tree Inventory
Urban Forestry Class and Resources

Modify/Update an Existing Tree in Our Tree Inventory

I'd like to provide current information on a tree that is listed in the inventory

Contact Name:
Email address:
Address of tree:
Tree ID Number: (i.e. TRE-1234)
Type of Change Requested:
Trunk Diameter at 4 1/2 feet:


Please do not use this form to report problems with trees or to make a service request. This form is for inventory information only.

Please click here to email a photo to Please enter your address as the subject line of the email.

Our goal is to process tree map requests within 14 days of receipt - depending on the volume of requests received.

How to measure the diameter of your tree(s):

How to measure diameter

Sample of a good photo to send in:


Sample of a poor photo to send in:


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