D.O. Mills Bank Building
| Mills Bank Building | |
|---|---|
Mills Bank Building and J Street in 1912 | |
| Location | 629 J Street, Sacramento, California |
| Coordinates | 38°34′58″N 121°30′15″W / 38.5827°N 121.5042°W |
| Built | 1852 |
| Architect | Willis Polk & Co. |
| Architectural style(s) | Neoclassical |
| Reference no. | 609 |
Mills Bank Building, also called the D. O. Mills Bank Building, is a historical bank in Sacramento, California, built in 1852 in Old Sacramento. It is a California Historical Landmark No. 609, registered on May 22, 1957. It was built by Darius Ogden Mills and was the oldest and largest bank of early California.