William McKinley E.S. Ball Wall Project

The Colton Joint Unified School District is seeking a contractor to construct a “ball wall” playground structure at William McKinley Elementary School. The project is a single‑scope, institutional construction effort likely involving site preparation, concrete work, masonry, and installation of a specialized sports‑wall system. Five firms have already submitted bids ranging from roughly $250 k to $393 k, indicating a mid‑size public‑sector construction contract. The mandatory site‑walk on November 18 2024 is required for all prospective bidders, providing an opportunity to view the location and clarify scope details. No detailed specifications, drawings, or award timeline are included in the provided excerpts, so interested parties should obtain the full solicitation package. • Project: Ball wall construction at an elementary school (institutional playground equipment). • Estimated contract value: $250k‑$400k based on submitted bids. • Geographic location: Colton, California (Southern California). • Mandatory site visit: November 18, 2024 (required for listed bidders). • Competitive field: Five bidders (Urban Professional Builders, Cornerstone, Leonida, Williamson Development, MLC Contractors). • Agency contact: Owen Chang, Director of Facilities and Energy Management, (909) 580‑5000.