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Avon, Contra Costa County, California: Wikis


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Coordinates: 38°01′58″N 122°04′31″W / 38.03278°N 122.07528°W / 38.03278; -122.07528

—  Unincorporated community  —
Avon is located in California
Location in California
Coordinates: 38°01′58″N 122°04′31″W / 38.03278°N 122.07528°W / 38.03278; -122.07528
Country United States
State California
County Contra Costa County
Elevation [1] 10 ft (3 m)

Avon (formerly, Associated and Marsh)[2] is an unincorporated community in Contra Costa County, California. It is located on the Southern Pacific Railroad 3.5 miles (5.6 km) east-northeast of Martinez,[2] at an elevation of 10 feet (3 m).

A post office operated at Avon from 1912 to 1960.[2] It was originally called Marsh, and in 1913 the name was changed to Associated.[2] The name Marsh was in honor of John Marsh.[2] The name Associated was for the Tidewater Associated Oil Company, owner of the site.[2]


  1. ^ U.S. Geological Survey Geographical Names Information System: Avon, Contra Costa County, California
  2. ^ a b c d e f Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Quill Driver Books. p. 597. ISBN 9781884995149.  


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