California State Historical Landmarks - Contra Costa County
- #312 John Muir Home, Martinez
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#356 Castro Home, El Cerrito
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#455 Don Fernando Pacheco Adobe, Concord
- #509 Joaquin Moraga Adobe, Orinda
- #511 Vicente Martinez Adobe, Martinez
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#512 Alvarado Adobe, San Pablo
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#515 Don Salvio Pacheco Adobe, Concord
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#722 Site of the Murder of Dr. John Marsh, Martinez
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#731 "The Old Homestead", Crockett
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#853 Captain Pedro Fages Trail, 1772, Danville
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#905 Mount Diablo, near Concord
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#932 Mount Diablo Coal Field, near Antioch
- #1032 Richmond Shipyard District, Richmond
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#1002-1 Site of Giant Powder Company (Point Pinole), Richmond
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