King County has moved to Phase 2 of reopening. Learn more:

Information for Shoreline

Engineering Standards

Press Enter to show all options, press Tab go to next option

Engineering Development Manual

The Engineering Development Manual (EDM) is a supplement to the Shoreline Municipal Code. The EDM provides information to help with the processes and requirements that apply to private development.

The EDM has four divisions:

Division 1:
Administration - Information about permits
Division 2:
Right-of-Way - Standards and other information about development within the City right-of-way
Division 3:
Surface Water - Policies and design standards about surface/storm water
Division 4: Construction and Inspection - Information about construction and inspection in the City right-of-way

The current EDM can be found here: Engineering Development Manual.

The current EDM is effective starting March 1, 2020. All permit applications completed on or after this date must meet the standards of the current EDM. A summary of the revisions from the previous version to the current version can be found under the 2020 EDM Summary of Revisions.

Standard Plans and Notes

The City has adopted the standard plans and notes in the links below.

Future Revisions

Please share your comments on the by July 1, 2020 using the online EDM feedback form.

The EDM will be updated on an annual basis to incorporate changes in development code, comply with NPDES permit requirements, meet current development needs, and revise formatting.

The estimated timeline for the annual EDM update process is:

  • July 1st: Deadline for public comments on the current EDM.
  • November 1st: A DRAFT updated EDM is published for additional comment.
  • December 1st: Deadline for public comments on the DRAFT updated EDM.
  • March 1st of the following year: The FINAL updated EDM is published and becomes effective.

Previous Versions

Old versions of the EDM are available here:

2019 Engineering Development Manual

2016 Engineering Development Manual

2014 Engineering Development Manual


Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Download Acrobat Reader Flash Player Download Flash Player Windows Media Player Download Windows Media Player Microsoft Silverlight Download Microsoft Silverlight Word Viewer Download Word Viewer Excel Viewer Download Excel Viewer PowerPoint Viewer Download PowerPoint Viewer