The Forum has a long history of cosponsoring events with other organizations, including the following:

American Institute of Architects/Los Angeles Chapter.
The AIA/LA and the Forum jointly organized in October 1991 a debate “Voyant: An Exchange of Conspiratorial Viewpoints” between architects Eric Owen Moss and Thom Mayne. In 1994, the AIA/LA awarded the LA Forum its Educator of the Year award.

National Organization of Minority Architects.
In November 1992, the Forum and NOMA co-sponsored a discussion panel, “Alternative Disorders” focusing on the causes and impacts of the LA Riots and alternatives for rebuilding L.A.

Society of Architectural Historians/Southern California Chapter.
In February 1993, the Forum joined the Society of Architectural Historians to sponsor a tour of homes designed by renown African American architect Paul Williams and a lecture by his granddaughter, Karen Hudson. Los Angeles Conservancy. The Fall/Winter 1992 series “That Other Stuff: L.A. Vernaculars” involved members of the L.A. Conservancy’s Modern and Post-World War II Committee.

Association for Women in Architecture.
For the Summer 1993 lecture series the Forum worked with the AWA to present discussions with practicing women architects and theorists.

The MAK Center for Art and Architecture at the Schindler House
The MAK center has been the long-standing primary host for the Forum’s annual Fall lecture series ‘Out There Doing It’, which showcases emerging designers in intimate fireside lectures in the courtyard of the Schindler House in West Hollywood.

Museum of Contemporary Art.
Coinciding with MOCA’s “Urban Revisions” exhibition, MOCA’s Architecture and Design Council and the Forum co-sponsored a day-long symposium,”Urban Design, Urban Theory and Urban Cultural” which explored the nature of contemporary urban life and culture as an entry point into current urban design strategies.  MOCA also generously provides meeting space for occasional Forum lectures.

Southern California Institute of Architecture.
SCI-Arc and the Forum joinly sponsored a panel titled, “Artists, Architects, and Public Art” on the on-going debate which originated in Culver City on the question of whether architecture is art under that city’s public art ordinance.  SCI-Arc also hosts occasional Forum events such as lectures and the book signing for Wes Jones’ 2010 Forum publication ‘Meet the Nelsons’.

Storefront for Art and Architecture
In April 2008 the LA Forum co-sponsored Pop Up Storefront Los Angeles with New York’s Storfront for Art and Architecture. The very first Pop-Up Storefront, the exhibit of Frédéric Chaubin’s CCCP (Cosmic Communist Constructions Photographed) was held  in a partially disused print works on Sunset Boulevard.

Woodbury University – Woodbury Hollywood (WUHo)
Since 2008, the LA Forum has shared the Woodbury Hollywood gallery space at 6518 Hollywood Boulevard in Hollywood. The space is generously provided by Woodbury University and allows the Forum to hosts lectures, exhibitions and other events. The Forum hosts ‘LA Forum Events @ WUHo’.

Santa Monica Museum of Art, LACE,  and  CLUI,  have generously provided meeting space for lecture series.