Certified Excellence
ISA Certified Arborists
Serving Beverly Hills & Los Angeles
At Celebrity Tree Service, we value and maintain industry-leading credentials. Our commitment to professional development ensures every tree on your property receives science-based care from qualified professionals.
The ISA is the primary certifying body for arborists worldwide. Their credentials are accredited by the American National Standards Institute (ANSI), ensuring the highest standards of professional competency and public safety in tree care.
Arborist Certifications
The highest level of certification available from the ISA, representing a significant professional achievement. Master Arborists have demonstrated an advanced level of knowledge in all aspects of arboriculture.
The foundational and most widely recognized credential for practicing arborists. Eligibility requires three or more years of full-time practical work experience in arboriculture or a related degree.
A specialized credential for arborists working in urban forestry and municipal settings, managing public trees and green infrastructure across cities and communities.
Certification for professionals involved in utility right-of-way vegetation management, ensuring safe clearances between trees and power lines.
An internationally recognized qualification providing a systematic, standardized process for assessing tree risk. Valid for seven years. Prerequisites include ISA Certified Arborist or Board Certified Master Arborist credential, a related degree, or other approved national certifications.
Boots on the Ground
These credentials are specifically for the professionals who are in the trees — the climbers and aerial lift operators who perform the hands-on work with the highest regard for safety.
Certification for workers who have the skill and endurance to climb trees, demonstrating a high regard for safety and the ability to perform work off the ground in demanding conditions.
For workers who operate aerial lift devices to access trees, requiring specialized knowledge of equipment operation and safety protocols at height.
Additional Industry Standards
Beyond ISA credentials, the tree care industry recognizes certifications in safety leadership, forestry, horticulture, and irrigation — all contributing to comprehensive property care.
The only safety-focused individual credentialing program in the tree care industry. CTSPs champion safety leadership, problem-solving, and risk management to build a culture of safety within their team.
Professional certification for foresters demonstrating competency in the science and practice of forestry and natural resource management.
Certification for professionals skilled in plant identification, installation, maintenance, and horticultural best practices.
Professional certification for contractors who design, install, and maintain efficient irrigation systems that support tree and landscape health.