Environmental Due Diligence & Phase I ESA

The City of Richland, Washington, is seeking a qualified subcontractor to perform environmental due diligence services including a Phase I Environmental Site Assessment, wetlands delineation, and cultural resources scoping to support regulatory compliance and site planning. These services are required to identify potential environmental liabilities, map regulated wetland boundaries, and assess the presence of culturally significant resources, all in alignment with federal and state environmental standards. The work must be conducted with precision and adherence to current industry protocols to ensure the project’s ability to proceed without regulatory delays or environmental risks. The solicitation is posted as a subcontract opportunity under NAICS code 541620, with a response deadline of July 17, 2026, at 10:00 PM Eastern Time. All proposals must be submitted by this date to be considered, and performance is expected to be carried out within the City of Richland’s jurisdiction. While no set-aside provisions or specific organizational requirements are outlined, bidders must demonstrate proven experience in environmental assessment, wetland identification, and cultural resource evaluation to meet the technical demands of the scope. The opportunity is accessible through the PublicPurchase platform, and inquiries should be directed through the provided link.