Diagram of Tree Protection Regulations
Director's Rule on Exceptional Trees
Find it, Fix it - Service Request Mobile App (you can report tree removals under the 'Other' category)
Green Factor
Green Seattle Partnership
Interim Tree Protection Ordinance
King County Million Trees Campaign
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:
Trees for Seattle Program
Street Tree Manual
Seattle Tree Map
Tree Protection Regulations in Seattle (TIP 242)
Tree Ambassador Tree Walks
Urban Forest Stewardship Plan
University of Washington Brokman Memorial Tree Tour