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ISA Certification - What Does it Mean?
The International Society of Arboriculture's Arborist Certification program is a voluntary effort among professionals in the tree care industry to establish a meaningful standard of quality in arboricultural work, promote and encourage continuing education, and provide the public with a mechanism for identifying qualified arborists.
Learn More about ISA Certification
PNW-ISA Certification Exam Fees
We strive to hold as many as 20 exams through the Pacific Northwest each year.
As of October 1, 2008, the following exam fees are in effect. To receive member rates, you must be a member of both the ISA and the PNW-ISA. Non-Member rates are for those who hold membership in only one organization. Exam applications must be received the ISA office in Champaign, Illinois at least 12 days before the scheduled exam - no exceptions.
| Exam | Member Rate | Non-Member Rate |
|---|---|---|
| Certified Tree Worker | $115 | $165 |
| Certified Arborist | $150 | $250 |
| Municipal/Utility Specialist | ||
| 0-12 months | $55 | $185 |
| 13-24 months | $75 | $205 |
| 25-26 months | $100 | $230 |
| Board Certified Master Arborist | $350 | $550 |
| * 1st Exam Retake | Free | Free |
| * 2nd Exam Retake | $75 | $75 |



