Atascadero Historical Society

Atascadero Historical Society potluck dinner

July 15, 2023

Mark your calendar for the annual Atascadero Historical Society potluck dinner to be held on July 15, 2023 from 5 to 7 PM at the Colony House Museum, 6600 Lewis Ave. Bring your favorite dish to share and come join in the fun.

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History of Atascadero

Atascadero can trace its beginning to a Mexican land grant when in 1845 Governor Pio Pico granted Pedro Estrada almost 40,000 acres of the Asuncion Rancho, a good portion of which eventually made up part of the smaller 23,000 acre Atascadero... Learn More

Join Us in Preserving the Unique History of Atascadero

Become a member of the Atascadero Historical Society...Click here to print a membership application.

The Colony House Museum

The Society owns an original 1919 Colony Home and maintains the Hattie Prather Rose Garden. When Atascadero was founded in 1913, and home construction began two years later, the Arts and Crafts movement was a fresh new design for homes in the United... Learn More