21504 Golden Hills Blvd This 18, 633 sq ft parcel of land offers ample space and stunning views, and is zoned R-3 (Multi-Family Residential), providing great potential for a variety of development options. Whether you envision building a multi-unit residential complex or a spacious private residence, this lot provides the perfect foundation. The buyer is advised to independently verify zoning and general plan designations, environmental and hazard zones, access and development costs, and the availability and costs of utilities.