The California Arborists Association, Inc. CAA is a nonprofit organization of professional arborists combining efforts to improve tree care practices in California. Our organization was founded upon and adheres to The Arborists Creed and Principles of Practice c 1935, Millard F. Blair. The purpose of our organization is to promote responsible and progressive arboriculture practices, continuing education and training, and communication between practitioners, educators, researchers, and other green industry professionals.

Address: P.O. Box 3416, Napa, CA 94558
Telephone: (707) 224-8269
Fax: (707) 257-6321
Website: http://www.cal-arb-association.com/