Design Standards / EDDS

Amendments to the EDDS


  • January 2021 - Rule Making Action
On December 4, 2020, the Department of Public Works (DPW), pursuant to Snohomish County Code (SCC) 30.82.030 (Rulemaking), proposed amendments to Chapters 1, 3, 4, and 8 of the Snohomish County Engineering Design and Development Standards (EDDS). On January 8, 2021, the DPW, pursuant to SCC 30.82.040 (Rulemaking), is adopting the amendments to Chapters 1, 3, 4, and 8 of the EDDS with an effective date of January 8, 2021.
Request for County Council Review
Pursuant to 30.82.065 SCC interested persons may request a review of the adopted rules by the County Council within 120 days of rule adoption. A request for Council review should be emailed to the Snohomish County Council at contact.council@snoco.org or mailed to the Snohomish County Council at 3000 Rockefeller Ave M/S 609, Everett, WA 98201. Please copy Ryan Peterson at ryan.peterson@snoco.org to council review request emails, or send a copy of council review request letters to Ryan Peterson at 3000 Rockefeller Ave M/S 607, Everett, WA 98201.

  • November 2020 - Rule Making Action
On September 30, 2020 the Department of Public Works (DPW), pursuant to Snohomish County Code (SCC) 30.82.030 (Rulemaking), proposed amendments to Chapters 1, 2, 3, and 4 of the Snohomish County Engineering Design and Development Standards (EDDS). On October 28, 2020, the DPW, pursuant to SCC 30.82.040 (Rulemaking), adopted the amendments to Chapters 1, 2, 3, and 4 of the EDDS with an effective date of November 1, 2020.
Request for County Council Review
Pursuant to 30.82.065 SCC interested persons may request a review of the adopted rules by the County Council within 120 days of rule adoption (by 5 PM on February 19, 2021). A request for Council review should be sent to the County Council at contact.council@snoco.org or mailed to the Snohomish County Council at 3000 Rockefeller MS 609, Everett WA 98201 and a copy emailed or mailed to the contact person below. Council review shall then determine whether the adopted rule(s) are consistent with the scope of DPW rulemaking authority. No other formal appeal opportunity is available.

For more information contact Ryan Peterson by email, or send a letter to him at Snohomish County Public Works, 3000 Rockefeller Ave, M/S 607, Everett, WA 98201-4046.

Current EDDS Edition (effective Jan. 8, 2021)

Previous EDDS Editions

Helpful Forms & Information

The following links are provided to useful forms and information:

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