San Ramon is one of Tri-Valley's most dynamic and attractive rural-urban areas. With the development of Bishop Ranch in 1982, San Ramon has transformed into a significant regional employment center. The Bishop Ranch Office Park consists of 580 acres of land with 5.9 million square feet of office space. The office park is currently home to approximately 200 companies including such Fortune 500 companies as Pacific Bell, Chevron/Texaco, AT&T, Toyota and United Parcel Service. San Ramon is an attractive, expanding city, home to several beautiful new home communities including Windemere, Bridges, Gale Ranch and Norris Canyon Estates. San Ramon is centrally located and offers a multitude of conveniences and recreational activities. San Ramon schools are part of The San Ramon Valley Unified School District that encompasses the communities of Danville, Alamo, Diablo, and Blackhawk. The District consistently ranks among the top 10% of California school districts.