Bioretention Areas and Stormwater Management Landscaping

The contract seeks subcontractors to construct bioretention basins and install native vegetation to enhance stormwater filtration and control erosion as part of a larger stormwater management initiative. Work will involve site preparation, excavation, soil amendments, basin formation, and the planting of regionally appropriate native plants to ensure ecological function and long-term sustainability. The project is oriented toward improving water quality and reducing runoff impacts within Alameda County, with all materials and labor expected to meet environmental and engineering standards for low-impact development practices. The contract is classified under NAICS code 561730 for landscape services and is posted as a subcontract opportunity with a tight response deadline of June 29, 2026. The Alameda County Transportation Commission is the lead agency overseeing the work, and performance will occur on unspecified sites within California, with no exact location provided in the posting. Contractors must be prepared to comply with local, state, and federal regulations regarding stormwater management and native species use, and all work must be completed to ensure resilience, low maintenance, and long-term functionality of the installed systems.