Notice of Mitigated Determination of Non-Significance (MDNS)
City of Spokane Valley
Date Issued: October 24, 2025
Name & File Number: Costco Parking Expansion / SEP-2025-0009
Proposal Description: Costco Wholesale is seeking to remove and replace the existing IHOP restaurant with an expanded parking lot that will include 93 additional parking spaces.
Proposal Location: The project is located at 5403 E Sprague, parcel number 35144.0221, and is associated with the existing Costco building and parking lot located at 5601 E Sprague. The project is more generally located on E Sprague between Carnahan Rd and Fancher Rd in the SE ¼ of Section 14, Township 25 North, Range 43 East, Willamette Meridian, Spokane County, Washington.
Owner/Applicant: Chris Ferko, Barghausen Consulting Engineers/ Core States
Lead Agency: City of Spokane Valley
Review: The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. Pursuant to WAC 197-11-350, the proposal has been conditioned to include necessary mitigation measures to avoid, minimize, or compensate for probable significant impacts. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). The necessary mitigation measures are listed below. This decision was made after review of a completed environmental checklist and related information on file with the lead agency. This information is available to the public on request.
Determination: This MDNS is issued under WAC 197-11-340(2); the lead agency will not act on this proposal for 14 days from the date issued. Written comments may be submitted beginning October 24, 2025 through November 7, 2025.
Staff Contact: Adam Knight, Associate Planner, City of Spokane Valley, 10210 East Sprague Ave, Spokane Valley, WA 99206, PH (509) 720-5031; aknight@spokanevalleywa.gov
Responsible Official: Steve Roberge, Planning Manager
Mitigation Measures: Prior to issuance of an Engineered Grading Permit, an Inadvertent Discovery Plan (IDP) shall be prepared by the applicant and submitted to the City of Spokane Valley. A copy of the IDP shall be kept on site at all times during construction activities.
Appeal: An appeal of this determination shall be submitted to the City of Spokane Valley Economic Development Department within 14 calendar days after the date issued. Appeals may be submitted from October 24, 2025, through 4:00 p.m. on November 7, 2025. The appeal must be written and specific factual objections are made to the City’s threshold determination. Appeals shall be conducted in conformance with Spokane Valley Municipal Code (SVMC) 17.90 Appeals, and any required fees pursuant to the City’s adopted Fee Schedule shall be paid at the time of appeal submittal. Pursuant to WAC 197-11-680, appeals shall be limited to a review of a final threshold determination.
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Patricia Rhoades, Deputy City Clerk
Spokane Valley
PUBLISH: 10-24-25
