Work with a Certified Master Arborist in Portland, OR

Large green industrial machine with an American flag design, labeled 'Bandit', with a person holding a child nearby on a grass and pavement surface.
Crane lifting a large tree in a residential area under a cloudy sky.
Certificate from the International Society of Arboriculture awarded to an individual for earning the ISA Board Certified Master Arborist credential. Includes certification details and signature of the CEO & Executive Director, Caitlyn Pollihan.

Arborists Of America, Inc. | ISA Board Certified Master Arborist

When it comes to the health, safety, and value of your trees, hiring a qualified expert isn’t just a smart decision—it’s essential. At Arborists Of America, Inc., we are proud to offer Portland residents the highest level of tree care expertise, led by an ISA Board Certified Master Arborist—the most prestigious certification in the arboriculture industry.

What Is an ISA Board Certified Master Arborist?

The International Society of Arboriculture (ISA) awards the Board Certified Master Arborist® (BCMA) credential to only the most experienced and knowledgeable professionals in the tree care industry. It is the highest level of certification available and is earned through years of hands-on experience, rigorous testing, and a deep understanding of tree biology, safety, soil science, risk assessment, and urban forestry.

Only a small percentage of arborists ever achieve this status—making Arborists Of America, Inc. one of the most trusted names in tree care across the Pacific Northwest.

Why Portland Homeowners Choose Arborists Of America, Inc.

  • Unmatched Expertise: Our Master Arborist brings decades of experience and advanced knowledge to every job, ensuring your trees are diagnosed and treated with the highest level of precision.
  • Safety First: Tree work is dangerous. We follow strict ISA safety protocols to protect your home, property, and loved ones—especially in Portland’s rain-heavy climate.
  • Tree Health & Preservation: From root to canopy, we assess your trees holistically to promote long-term health, structural integrity, and natural beauty.
  • Custom Tree Care Plans: Whether you need pruning, removals, tree risk assessments, or long-term maintenance, we tailor every plan to meet your property’s unique needs.
  • Portland Climate Experts: Our team understands the native species and environmental conditions of the Portland area—from Douglas Firs to Bigleaf Maples—and how to care for them properly.

Ready to Improve Your Trees & Soil?

Contact us today to schedule a consultation or request a free estimate for expert plant and soil analysis.

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