CITY OF KENNEWICK DETERMINATION OF NON-SIGNIFICANCE FILE/PROJECT NUMBER: ED-2025-0013 DESCRIPTION OF PROPOSAL: Amendments to Kennewick Municipal Code Sections 17.20.010, 18.09.260, 18.09.1350, 18.09.1860, 18.09.1865, 18.12.010 A.1, 18.12.010 A.2 18.12.190, 18.36.060 and creating a new code section, 18.09.415, to establish regulations for co-living housing. PROPONENT: City of Kennewick, 210 W 6th Avenue, Kennewick, WA 99336 LOCATION OF PROPOSAL, INCLUDING STREET ADDRESS, IF ANY: Not Site Specific – Citywide LEAD AGENCY: City of Kennewick DETERMINATION: The City of Kennewick has determined that this proposal does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) will not be required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the City. This information is available to the public on request. Application for other required permits may require further review under SEPA procedures. X There is no comment period for this DNS. _ This DNS is issued after using the optional DNS process in WAC 197-11-355. There is no further comment period on the DNS. _ This DNS is issued under 197-11-340(2); the City will not act on this proposal for fifteen days from the date below. Comments must be submitted by _________. After the review period has elapsed, all comments received will be evaluated and the DNS will be retained, modified, or withdrawn as required by SEPA regulations. RESPONSIBLE OFFICIAL: Anthony Muai, AICP POSITION/TITLE: Planning Director ADDRESS: 210 W 6th Ave., P.O. Box 6108, Kennewick, WA 99336 PHONE: (509) 585-4386 _ Changes, modifications and/or additions to the checklist have been made on the attached Environmental Checklist Review. This DNS is subject to the attached conditions: X No conditions. _ See attached condition(s). Date: October 15, 2025 Appeal: An appeal for this determination must be submitted to the Community Planning Department within fourteen (14) calendar days after the date issued (10/15/25), no later than 4:30 p.m. on October 29, 2025. This appeal must be written and make specific factual objections to the City's threshold determination. Appeals shall be conducted in conformance with Section 4.12.090(9) of the Kennewick Municipal Code and the required fees pursuant to the City's adopted Fee Schedule shall be paid at time of appeal submittal. Copies of this DNS were mailed to: Dept. of Ecology WA Dept. of Fish & Wildlife WSDOT Yakama Nation CTUIR ED-2025-0013 File IPL0283031 Oct 19 2025