The following websites are a variety of planning-related organizations and sources of information relevant to the City Calabasas.

• 2021-2029 Housing Element Update
• American Planning Association
• Cal-Adapt
• California Chapter of the American Planning Association
• California Native Plant Society
• California State Parks
• City of Calabasas Community View GIS
• Governor’s Office of Planning and Research
• Heal the Bay
• Las Virgenes Municipal Water District - Conservation
• Local Agency Formation Commission (LAFCO)
• Los Angeles County Fire Department - Fire-safe Landscaping
• Los Angeles County Office of the Assessor – Parcel Viewer
• Los Angeles Section of the American Planning Association
• National Park Service
• National Complete Streets Coalition
• Theodore Payne Foundation
• Tree People
• U.S. Census: American Community Survey FactFinder 2007-2011: Calabasas Quick Fact and LA County Quick Facts (data reported does not include the annexation of Mont Calabasas).
• U.S. Green Building Council
• Urban Land Institute