An extraordinary and rare offering-±81 acres of vacant land in the highly sought-after hills of Rowland Heights, Los Angeles County. This expansive opportunity comprises two contiguous parcels (APNs: 8269-004-007 and 8269-004-019) located near 18564 Fieldbrook Street, offering a once-in-a-lifetime chance to acquire one of the largest remaining undeveloped land holdings in the area. Zoned LCA15Y and LCA15*, the land is suitable for agricultural use and may allow for custom residential development (potentially one home per 5 acres, or 217,800 sqft, subject to County approval). Buyers must independently verify all zoning and land use possibilities with Los Angeles County. Set amidst rolling hills and surrounded by multi-million-dollar estates, this elevated site provides unrivaled panoramic views, privacy, and natural beauty-perfect for luxury estate builders, long-term investors, or those seeking a hillside retreat within reach of the city. Located just minutes from the 60 and 57 Freeways, this site offers easy access to high-end shopping centers, international supermarkets, acclaimed schools, and thriving commercial hubs throughout the San Gabriel Valley.