Board of Trade Building is a historic building in Downtown Los Angeles that was opened in 1929. Located at the northwest corner of Main Street and Seventh Street, the building was designed by Claud Beelman and Alexander Curlett in the Beaux Arts style with Classical Revival influence. The building was listed in the National Register of Historic Places in 2008 and is one of more than ten Claud Beelman buildings included in the National Register. In 1945, the Board of Trade Building was purchased for $1,250,000 by a syndicate represented by Gray Phelps & Co.