Alvarado, California

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Old Alvarado (formerly, New Haven) is a former settlement in and former county seat of Alameda County, California, now annexed to Union City.[1] It was located 5 miles (8 km) north-northwest of downtown Newark.[1]

In 1851, Henry C. Smith founded the town of New Haven, named after his father's home town of New Haven, Connecticut.[1] In 1853, the town amalgamated with a nearby town called Alvarado, and became the county of seat of the newly formed Alameda County.[1] Alvarado was named for Juan Alvarado, Mexican Governor of California from 1836 to 1842.[1] The first post office opened in 1853.[1]

On January 13, 1959, Alvarado and Decoto voted to incorporate as the new City of Union City, California.[1]


  1. ^ a b c d e f g Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 594. ISBN 1-884995-14-4. 

Coordinates: 37°35′48″N 122°04′40″W / 37.5966°N 122.0777°W / 37.5966; -122.0777