1 Columbia Place

1 Columbia Place (formerly Columbia Centre)^[1] is an office building in San Diego, California. It is the 18th tallest building in San Diego and a prominent fixture in the city's skyline. Atop the skyscraper is a flagpole flying the largest United States flag in the San Diego skyline.^[2]

1 Columbia Place
General information
Type	Office building
Location	401 West A Street San Diego, California 92101
Coordinates	32°43′6″N 117°10′1″W
Completed	1982
Management	Regent PM
Height
Antenna spire	None
Roof	379 ft (116 m)
Technical details
Floor count	27
Design and construction
Developer	Doug Manchester

It is 379 feet (116 m) high and is located in the Core district of downtown San Diego. It occupies the full block between West A Street, West B Street, Columbia Street and State Street.^[3] It has 27 stories above ground and three below ground.

The steel-and-glass building utilizes the modern architectural style and has a six-story atrium. Built in 1982 by developer Doug Manchester, it was renovated in 1993^[4] and 1997. In 2004 it was designated an Energy Star building.^[3]