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Search for an ISA Certified Arborist

Why Hire a Certified Arborist?

Points to look for when hiring an Arborist or Tree Service. When searching for a tree care company, consider the following criteria:

  • Certification or credentials
  • Professional Affiliations
  • Advertisement
  • Insurance
  • References
  • Estimates

The listings you will find on this site do not include all ISA Certified Arborists. To verify if someone is certified, please click here.

Notice to Users of the ISA Certified Arborist Certificant List

This tool is intended to help homeowners and consumers find ISA Certified Arborists in their local areas. Data contained in this data base originates from at ISA Headquaters but is delivered through the MAC-ISA Chapter data base. The information in this tool may not be used for any commercial purpose, including gathering email addresses and other contact information with the intent to make business contacts or send spam email.

By clicking the button below, you are agreeing to comply with these terms. You may read the full disclosure for further details.

All contents © 2011 International Society of Arboriculture

You must accept these terms in order to search the list of ISA certificants.




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).