Credentials
ISA Certified Arborist
Every quote and every job site at Tempe Tree Service is backed by an ISA Certified Arborist. Certification through the International Society of Arboriculture is the industry's most recognized standard for professional tree care.
What ISA certification means
- Passed a rigorous, comprehensive exam on tree biology, diagnosis, and care
- Minimum three years of full-time arboriculture experience before eligibility
- Required continuing education to maintain the credential
- Bound by the ISA Code of Ethics
Why it matters for your trees
Trees are long-lived assets. Poor pruning cuts, topping, and lion-tailing cause damage that can take decades to appear — and by then it's often too late. A Certified Arborist evaluates each tree's structure, species, and site conditions before recommending work, so your trees stay healthy, safe, and beautiful for generations.
If you'd like to see our credentials, just ask — we bring them to every free quote.