Retaining Wall Design and Construction

The contract entails the design and construction of retaining walls exceeding three feet in height to facilitate site grading and lot development within the City of Napa, California. Work under this subcontract requires adherence to structural engineering standards and includes obtaining formal certification to ensure compliance with safety and load-bearing requirements. The retaining walls must be seamlessly integrated with surrounding landscaping elements to maintain aesthetic and functional cohesion with the overall development plan. The project is classified under NAICS code 238110, indicating it falls within the site preparation services category, and is tied to a specific development initiative in the 94559 zip code area. The contract was posted on June 18, 2026, and is administered by the City of Napa under the jurisdiction of the State of California.