This area which has also been known as Penn's Grove and Penn Grove — uncertainty surrounds the exact origin of the name — was first settled in 1852. With the competition of the San Francisco and North Pacific Coast Railroad in 1870 a t…
Built by General M.G. Vallejo, 1834-1844, and known as Casa Grande. According to General Vallejo, "building was of immense proportions with different departments for factories and warehouses."