The Berkeley Architectural Heritage Association (BAHA) is a Berkeley, California, non-profit organization whose mission is to "promote, through education, an understanding and appreciation for Berkeley’s history, and to encourage the preservation of its historic buildings."[1] Incorporated on 9 December 1974, the organization has been active since 1971. The organization is headquartered at the McCreary-Greer house, gifted to the association by Ruth Alice Greer in 1986. [2]