SITE OF FIRST COUNTY COURTHOUSE - View this location on map This is the site of Alameda County's first courthouse where county government began on June 6, 1853. Officials met in a two-story wooden building erected by Henry C. Smith and A. M. Church as a merchandise store. The seat of government moved to San Leandro in 1856, following an election in December 1854. 30977 Union City Blvd , Union City, California Historical

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