Casa de Estudillo was a 19th-century adobe house, located in San Leandro, California. It was built by Don José Joaquín Estudillo, a member of the prominent Estudillo family of California.

It was built around 1850, and was the last home of José Joaquín Estudillo, a member of the prominent Estudillo family of California, and his wife Juana Martínez de Estudillo.

The site is now the location of St. Leander's Church. There is a plaque commemorating the house.

Landmark

The site of Casa de Estudillo is a California Historical Landmark.

• California Historical Landmarks in Alameda County, California