A SEPA Determination of Non-Significance is issued for a non-project action to update the City of Snohomish’s regulations for Accessory Dwelling Units (ADUs) in Chapter 14.170 SMC and Detached Dwellings, including cottage housing, in Chapter 14.175 SMC. Amendments are proposed to bring regulations into compliance with RCW 64.90.025, simplify and streamline standards, remove redundant standards, and reduce regulatory barriers to increase opportunities for affordable housing options. City File #SEPA26-0042.
View the Permit Portal record for the SEPA Checklist and Determination of Non-Significance.
Appeals of this SEPA threshold determination must be filed in writing with the City Clerk for the City of Snohomish by 4:00 p.m. on February 23, 2026.
For more information, contact the Planning Department at planningdept@snohomishwa.gov or 425-328-6451.