In 1970, she opened the Margo Leavin Gallery in West Hollywood, CA, which she operated until it closed in 2013.
[2] The Gallery closed in 2013 but it promoted itself as specializing in contemporary photography, sculpture, paintings and drawings.
[3] Artist and art dealer Nicholas Wilder is quoted as saying about Leavin and her gallery, "She works very hard and it's run as a business.
Leavin later expanded to adjacent buildings along the block, including a former post office, which served as an exhibition space.
In 2015, it was announced that the Getty Research Institute would acquire the complete archives of the Margo Leavin Gallery.