The Tucker Memorial Building was a Federation Starfleet facility located in San Francisco that housed the Earth-based facilities of the Starfleet Corps of Engineers.

Named in honor of 22nd century United Earth Starfleet engineer Charles "Trip" Tucker, the Tucker Memorial Building housed numerous laboratories and offices for the SCE and serves as their headquarters. The building was located adjacent to Starfleet Medical Headquarters.

The lobby contained a massive replica of Zefram Cochrane's Phoenix, Earth's first warp-capable vessel. Around the circumference of the lobby were located numerous holoframes depicting famous Starfleet engineers, including Tucker, George William Jefferies, Mahmud al-Khaled, and Montgomery Scott, surrounding a main desk.

In 2375, the office of the Starfleet Corps of Engineers Command Liaison, then occupied by Captain Scott, was decorated in the style of 23rd-Century Constitution-class starship interiors. (SCE eBook: The Future Begins)

The headquarters of the S.C.E. was described in A Time to Die as being adjacent to Starfleet Medical and containing labs, but was not named until The Future Begins.