Here are links to reach your utility providers:

Natural Gas
Puget Sound Energy  1.888.225.5773

North of South 160th Street:   Seattle City Light   206.684.3000
South of South 160th Street:   Puget Sound Energy 1.888.225.5773

Water Service
See Water Districts Map

Sewer Service
See Sewer Districts Map  

Customer service

Tree Trimming Request for Power Lines

https://www.pse.com/en/pages/tree-trimming/Contact-form for Puget Sound Energy; submit form to PSE.

https://seattle.gov/city-light/in-the-community/vegetation-management   for Seattle City Light; submit form to SCL.