Diego Sepúlveda Adobe, Adobe home in Costa Mesa, California.
The Diego Sepúlveda Adobe is an earthen-walled home in Costa Mesa built with thick adobe bricks and wooden beams in Spanish colonial style. The structure commands the site with its traditional design and views over the Santa Ana River bed.
The house was built between 1817 and 1823 as a residence for the mayordomo and herders of Mission San Juan Capistrano. These workers managed cattle and horses that supported the mission's economic operations.
The rooms display objects from four periods of California history, ranging from Native American artifacts to Victorian furnishings. Visitors can see how different cultures and eras are documented side by side within this space.
The site opens to visitors on select weekend days during the month, so it helps to check beforehand when visits are available. Its location on Adams Avenue makes it straightforward to reach.
Archaeological excavations at the site uncovered a mastodon skeleton in 1962, revealing how ancient this land is. The discovery shows that the area held significance long before European settlement.
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