Timbercrest Jr. High Surplus Property Click on the photo to get a better view. Location Maps Area Map Neighborhood Map Site Map Property Information Location North side corner of Timbercrest Jr. High at 215th Ave. in King County, WA. Building Improvements None Site Size 5 acres Utilities The subject currently has all utilities except sewer. Zoning Ra5 by King Co. This is a low-density, single family residential zoning classification allowing one dwelling per 5 acres. Use Single family residential