976 High Ridge Street in Riverside presents an extraordinary opportunity to build a custom estate on four acres of entirely usable land in prestigious Alessandro Heights. Surrounded by multi-million-dollar residences, this exceptional homesite offers sweeping views, privacy, and elegance in one of Riverside’s most distinguished neighborhoods, just minutes from freeway access, shopping, dining, and city amenities. Utilities are available at the street, and substantial predevelopment work has already been completed. Available documentation includes residential architectural plans with multiple revisions, floor plans, elevations, roof and site plans, structural engineering plans and calculations, civil engineering and preliminary grading plans, property survey and topographic mapping, electrical plans, and conceptual landscape plans. Additional reports and studies include geotechnical and soils reports, biological and environmental studies, conservation and burrowing owl reports, archaeological and cultural resources investigations, Title 24 energy compliance documentation, and a Water Quality Management Plan (WQMP). Fire access plans, street improvement plans, City planning and design review submissions, review comments and responses, and architectural and engineering CAD files are also available. The project has undergone multiple rounds of planning and design review with the City of Riverside. Significant professional work and investment have already gone into advancing development, although final approvals and permits remain pending. Available plans, reports, studies, and supporting documents can be provided to serious buyers for review. Whether envisioning a sprawling modern estate or a timeless architectural masterpiece, this rare Alessandro Heights property offers an exceptional opportunity to bring your vision to life