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Terms and Conditions



The ISA Certified Arborist Certificant List (Certificant List) identifies those individuals who have satisfied the certification standards established by the ISA Certification Board. While ISA makes a significant effort to maintain current and accurate information in the Certificant List, ISA does not warrant or guarantee the accuracy, completeness, timeliness, merchantability, or fitness of the information contained herein for any purpose.

By identifying an ISA Certified Arborist in the Certificant List, ISA does not endorse or guarantee the certificant’s services or activities, or any business or other organization with which the individual may be affiliated. ISA disclaims all liability and responsibility for any action or decision made in reliance on the information contained herein, or for any actions or inactions of the certificant with respect to any party, or for any loss or injury. ISA is not responsible for certificant compliance with legal requirements related to any services, activities, or otherwise.

If you accept the following Agreement, ISA will provide you with permission to use the Certificant List.

LIMITED LICENSE AGREEMENT: IN ORDER TO ACCESS THE ISA CERTIFICANT LIST, YOU AGREE TO BE BOUND BY THE FOLLOWING TERMS AND CONDITIONS: The information contained in the Certificant List may only be used for personal, non-commercial, and confidential reference purposes. Commercial or other use not expressly authorized by ISA is strictly prohibited. The Certificant List and its contents, in whole or in part, are the sole property of ISA, and may not be reproduced, copied, disseminated, used in connection with a mailing list, or otherwise, in any form, manner, or means.

If you accept the terms and conditions above, please indicate your agreement by clicking on the button labeled “Accept.” You will then be able to access the ISA Certificant List. Thank you.

All contents © 2011 International Society of Arboriculture (ISA).

Click here to Find Local Certified Arborists and Services.


What is an Arborist and How Can You Find One?
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National Tree Benefits Calculator
Make a simple estimation of the benefits individual street-side trees provide. With inputs of location, species and tree size, users will get an understanding of the environmental and economic value trees provide on an annual basis. For more detailed information on urban and community forest assessments, visit the i-Tree website. MORE >>

"The wonder is that we can see these trees and not wonder more." - Ralph Waldo Emerson


Certified Arborist Brochure

This brochure discusses ways in which a Certified Arborist can assist property owners, and why a Certified Arborist should be chosen.

Available through the ISA Web store

Protect Your Investment, Hire An Arborist
What is an arborist? An arborist is a professional who is trained in the art and science of planting, caring for, and maintaining trees. Why hire an arborist? MORE >>

© International Society of Arboriculture 2009
P.O. Box 3129, Champaign, IL 61826
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