2009 City Auditor Report on Management of City Trees

2016 Canopy Cover Assessment

Director's Rule on Exceptional Trees

Draft Tree Regulations Ordinance ORD D7

Find it, Fix it - Service Request Mobile App
(you can report tree removals under the 'Other' category)

Green Factor

Green Seattle Partnership

Draft Tree Regulation Ordinance ORD D7

Email for general support for tree-related questions/issues (OSE):

Interim Tree Protection Ordinance

King County Million Trees Campaign

Resolution 31902 (Strategies to protect trees - 2019)

SDOT service numbers:

  • To report sidewalks uplifts: (206) 386-1218 (24/7 dispatch line for imminent needs)    
  • Tree related issues: (206) 684-TREE (7733) (message-only line)
  • Street maintenance request form

Street Tree Manual

Seattle's Forest Ecosystem Values Report (2012)

Trees for Seattle Street Tree Story Map

Tree Ambassador Tree Walks

Tree Protection Regulations in Seattle (TIP 242)

Tree Protection Executive Order 2017-11

Tree Regulations Research Project Phase I Final Report(9/27/16)

Tree Regulations Research Poject Phase II Final Report (3/31/17)

Urban Forest Stewardship Plan

University of Washington Brokman Memorial Tree Tour

Tree Protection Ordinance Update

UFC edits to Draft D7 of Tree Regulation Update Ordinance - Per City Council Request

Adopted Tree Regulations One-Pager

Residents' emails with comments/input though:

NOTE: If you would like to comment on the tree regulations update, please send an email to