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Seattle City Light DEBRA SMITH, General Manager and CEO
Electric Service
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New Construction Service Areas

The Seattle City Light service area includes all of the City of Seattle, portions of the cities of Burien, Tukwila, SeaTac, Shoreline, Lake Forest Park and Renton, as well as portions of unincorporated King County. Use Seattle City Light’s Service Territory Map to determine if your address is within the service area. Please check with the local jurisdiction for all permitting requirements.

Do not begin your construction project prior to consulting Seattle City Light

Below is a map of our network service areas. Please note: The areas inside of the red lines are the actual network distribution areas, and the shaded areas outside of the red lines are required underground distribution districts. Different requirements apply to each area. Please consult our Customer Engineering Group and Requirements for Electrical Service Connection Manual for more information.

You may also download a PDF of the network area map (5MB).

Electric Service Rep Assignments

  • Seattle City Light North Customer Engineering (From Denny way to the King/Snohomish County Line)
  • Seattle City Light South Customer Engineering (From Denny Way to the southern border of our service territory - see our service map for more information)
    • Residential (Single Family, Duplex, Triplex, and Accessory Dwelling Units)
    • Commercial (For services up to 1MW)
Related Content

Requirements for Electrical Service Connection
A resource for contractors and electricians explaining utility requirements for a variety of installations. To view and print individual sections, please download to your desktop.

Standards for Electrical Service 2019

Standards for Electrical Service 2018

Standards for Electrical Service 2017
A comprehensive book of engineering and construction standards to support the utility requirements for electric service connection. Search our online library for a specific standard.

Service Area Map and Electric Service Rep Assignments


contact us
Small/Medium Projects North of Denny Way
1300 North 97th Street
Residential & Commercial
(206) 615-0600
fax: (206) 684-4299

Small/Medium Projects South of Denny Way
3613 4th Avenue South
(206) 386-4200
fax: (206) 386-4222

Large Commercial and Industrial Projects
1 MW demand and greater, Seattle Municipal Tower
700 Fifth Avenue
(206) 684-3186
fax: (206) 287-5231

  • Contact Seattle City Light

    700 5th Avenue
    Suite 3200
    P.O. Box 34023
    Seattle, WA 98124-4023

    Account & General Questions:

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