First National Bank Center, skyscraper in the Core district, downtown San Diego, United States

First National Bank Center is a 27-story office tower in downtown San Diego built with steel and glass construction. The building features a six-story interior atrium at ground level that brings natural light into the main entrance area.

Developed by Doug Manchester, the tower opened in 1982 as the headquarters of First National Bank, originally named Columbia Centre. It was renovated in 1993 and 1997, and in 2014 the property was renamed 1 Columbia Place under owner Emmes Realty Services.

The building's name changed from Columbia Centre to 1 Columbia Place in 2014 under owner Emmes Realty Services. Its block between West A and West B Streets at Columbia and State Streets keeps the Columbia name in the Core district. The roof flagpole flies what the sources call the largest United States flag in the San Diego skyline.

The tower fills the whole block bounded by West A Street, West B Street, Columbia Street and State Street in the Core district of downtown San Diego. Its six-story atrium opens off the street-level entrance, and the building has three levels below ground.

The tower earned Energy Star certification in 2004, highlighting its energy-efficient design among large commercial buildings. This recognition marks it as a building designed with operational efficiency in mind.