Other Certifications

​​The ISA Certification program provides recognition of one’s professional knowledge by one’s peers. As an ISA Certified Arborist with a tested level of knowledge in tree care, you will be promoting yourself and your business. When you tell someone you are an ISA Certified Arborist, they can be confident that you have obtained a standard of knowledge set forth by the industry.​

​​​​​​​​Fees for the examinations:

Member Non-member
Certified Arborist $150.00 $250.00
Tree Worker $115.00 $165.00
Utility & Municipal 0-12 mo.
$55.00 $185.00
13-24 mo. $75.00 $205.00
25-36 mo.
$100.00 $130.00

More information about ISA Certification including location and dates of upcoming exams can be found by calling ISA at 217-355-9411, by email at cert@isa-arbor.com or on the ISA web site: http://www.isa-arbor.com/certification/certification.aspx.​​​​​​

IAA Certification Liason: Andrew Mertz, Andrewsmertz@gmail.com

Test Dates and Locations for Certified Arborists, Utility Workers and Municipal Specialists:

ISA Certified Arborist Exam

Examination Eligibility Requirement:
The ISA Certification Board requires candidates to have a minimum of three years of full-time experience in arboriculture. Acceptable experience includes the practical use of knowledge involved in pruning, fertilization, installation and establishment, diagnosis and treatment of tree problems, cabling and bracing, climbing, or other services that directly relate to arboriculture. Examples of experience sources include, but are not limited to​​​​​​​​​​​​​​​​​​​​​​​​​​​​:

  • tree care companies
  • nursery personnel
  • landscape personnel
  • municipalities
  • state forestry personnel
  • utility personnel
  • instructors of arboriculture/horticulture
  • horticultural/extension advisors
  • consulting arborists
  • pest control advisors/applicators​

The eligibility requirement also may be satisfied with a two-year degree in arboriculture and two years of practical experience or a four-year degree in a related field and one year of practical experience.

If you are self-employed or own your own company, you will be req​uired to submit three letters of references with your application. References may be in the form of copies of invoices, contracts and/or business license. Please contact ISA for other possible forms of verification.

By submitting your application, you authorize ISA certification staff to contact the practical experience reference named on your application to substantiate your eligibility.

The ISA Certification Program does not discriminate in determining eligibility on the basis of race, color, religion, sex, national origin, age, disability, or any other characteristic protected by law.​​​​​​​​​