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The San Mateo County Historical Association operates the San Mateo County History Museum and Archives in Redwood City and administers two county historical sites, the Sanchez Adobe in Pacifica and the Woodside Store in Woodside.

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San Mateo County History Museum

Come visit the History Museum, located inside the 1910 County Courthouse. On the National Register of Historic Places, the courthouse features a stained glass dome and mosaic tile floor.

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Photo by Joe Messina

Sanchez Adobe

Visit the Sanchez Adobe Historic Site which features the first 3 periods of California history.

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The Woodside Store

Visit the Woodside Store and discover the rich history of this 1854 store.