Cedar Hills Adjacent Properties Deconstruction and Demolition

The Cedar Hills Adjacent Properties Deconstruction and Demolition project involves the removal of structures on approximately 15.2 acres of privately developed land situated between 230th Ave SE and the Cedar Hills Regional Landfill Facility in Washington. The primary goal is to restore landfill buffer requirements, ensuring environmental compliance and safety standards are met. The project is managed by King County and falls under the NAICS code 238910, indicating a focus on site preparation and demolition services. The contract value is estimated to range between $500,000 and $1,500,000, with the solicitation posted on November 6, 2025, and a response deadline set for November 20, 2025. The project emphasizes adherence to prevailing wage rates established by the Washington State Department of Labor and Industries, and encourages participation from small contractors and apprenticeships. The bidding process has been updated through multiple addenda, notably Addendum No. 1 issued on January 3, 2023, and Addendum No. 3 issued on November 5, 2025. These amendments revise key bidding documents, including the Invitation to Bid and Wage Rates, update bid submission procedures, and provide detailed instructions for pre-bid conferences and subcontracting opportunities. Bidders are required to acknowledge these addenda within the E-Procurement system to ensure their submissions are valid. The project’s scope and requirements reflect a comprehensive effort to facilitate competitive bidding, promote workforce development, and ensure compliance with regulatory standards for environmental and safety considerations. The primary contact for inquiries is Isaac Johnson via email.