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SDCI offices are closed to the public.

Most services are available online through our Virtual Applicant Services Center. We offer limited access to our offices for scheduled public meetings.

Environmentally Critical Areas Update - Timeline

Enviornmentally Critical Area Updates

Winter 2014

  • Review existing requirements for periodic update of ECA policies and regulations
  • Consider the Washington State Department of Commerce checklist and any updates to the best available science

Spring 2014

  • Update the Best Available Science documents

Summer and Fall 2014

  • Review the updated information for any changes made to the best available science and identify if those changes require changes to ECA policies and regulations
  • Conduct a public meeting, and provide a comment period on our best available science documents


  • Public outreach regarding proposed changes
  • Update policies and regulations and conduct a public meeting and a comment period
  • Draft regulations for public review

Spring and Summer 2016

  • Conduct SEPA review analyzing environmental consequences that may result from the proposed changes

Fall 2016 and Winter 2017

  • City Council review and public hearing
  • City Council adopts updated ECA policies and regulations 
  • Updated ECA policies and regulations took effect May 15, 2017

Construction and Inspections

Nathan Torgelson, Director
Address: 700 5th Ave, Suite 2000, Seattle, WA, 98104
Mailing Address: P.O. Box 34019, Seattle, WA, 98124-4019
Phone: (206) 684-8600
Phone Alt: Violation Complaint Line: (206) 615-0808
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SDCI issues land use, construction, and trade permits, conducts construction and housing-related inspections, ensures compliance with our codes, and regulates rental rules. SDCI is committed to an antiracist workplace and to addressing racism through our work in the community.