Asco, California

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Unincorporated community
Asco is located in California
Asco is located in the US
Location in California
Coordinates: 37°40′59″N 121°52′22″W / 37.68306°N 121.87278°W / 37.68306; -121.87278Coordinates: 37°40′59″N 121°52′22″W / 37.68306°N 121.87278°W / 37.68306; -121.87278
Country United States
State California
County Alameda County
Elevation[1] 351 ft (107 m)

Asco is a former unincorporated community in the Livermore Valley, now within the current city limits of Pleasanton in Alameda County, California.

It is located on the former right of way of the Southern Pacific Railroad (now the Iron Horse Regional Trail) 6 miles (9.7 km) west of Livermore,[2] at an elevation of 351 feet (107 m).


The name comes from the Alameda Sugar Company (ASC), which later changed its name to Holly Sugar Company. The company raised crops there, including sugar beets, from 1899 until the mid-20th Century.[2][3]


  1. ^ "Asco". Geographic Names Information System. United States Geological Survey. 
  2. ^ a b Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 597. ISBN 1-884995-14-4. 
  3. ^ Hartman, Louise. "It's Harvest Time". San Jose Mercury News. Retrieved 21 May 2014.