The Church Office Building (COB) is a 28-story building in Salt Lake City, Utah, which houses the administrative support staff for the lay ministry of The Church of Jesus Christ of Latter-day Saints (LDS Church) throughout the world.

The building is 420 foot tall at roof level and is located within the Temple Square complex on the corner of North Temple and State Street.*

Located at 50 East North Temple in Salt Lake City, Utah.