Western Chapter International Society of Arboriculture
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Members Only
The members only section allows you to manage your contact information and communication preferences. You will also be able to access your WCISA membership information as well as track your certfications, CEUs, register for meetings and sign-up for tests.
The ISA Certified Tree Climber credential is a sign to the public, employers, and peers that a tree care professional has achieved a fundamental level of knowledge and skills needed to climb trees and perform arboricultural work in a safe and efficient manner. As a voluntary program, earning this title shows a professional’s commitment to a professional code of ethics, safety best practices in the industry, and continuing education.
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Certified Arborist
International Society of Arboriculture
The Arborist Certification Program is a voluntary effort among professionals in the tree care industry to establish a meaningful standard of quality in arboricultural work, to promote and encourage continuing education, and to provide the public with a mechanism for identifying qualified arborists.
Click here for more information on the program
Click Here to Register Online for an ISA Arborist Exam
Click Here to Find an ISA Certified Arborist in Your Area
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How to Apply for Continuing Education Units (CEU's) for Your Upcoming Program
The Western Chapter ISA has taken the responsibility of assigning continuing education hours (CEUs) for educational programs in the states of Arizona, California, Hawaii and Nevada. We would be pleased to assign CEU numbers to programs you present if they are applicable. Offering credit for your programs can make them more attractive to potential attendees and registrations may be increased.
Click here to download an application for continuing education units
Click here to download a blank CEU Sign in Sheet
5/10/2025 - All Levels - Kaneohe, HI 7/19/2025 - All Levels - Rocklin, CA 8/30/2025 - All Levels - Rocklin, CA 9/12/2025 - All Levels - Prescott, AZ 10/11/2025 - All Levels - Honolulu, HI 11/1/2025 - Climb Only - Phoenix, AZ 11/15/2025 - All Levels - Rocklin, CA
*As of 7/1/2016 – Certified Tree Worker Exams will be administered through ISA. Please use the ISA application forms for exams after 7/1/16