About - John O’Shea Consulting Arborist

John O’Shea Consulting Arborist

805-755-9099

John O’Shea Consulting Arborist

805-755-9099

Our Expertise & Certifications
Dedicated to delivering professional tree consulting services backed by industry certifications and extensive experience.
Certified Arborist & Master Arborist
John O’Shea is recognized as an ISA Certified Arborist and Board Certified Master Arborist, ensuring the highest standards of professionalism and expertise in arboriculture.
Comprehensive Tree Services
We offer a wide range of services including risk assessments, inventories, appraisals, expert witness services, and construction/tree protection consultations.
Industry Affiliations
As a member of the International Society of Arboriculture and the American Society of Consulting Arborists, we stay current with industry best practices and standards.
Our Certifications & Affiliations
We are committed to maintaining the highest professional standards through recognized certifications and memberships.

ISA Certification
John O’Shea holds the ISA Certification WE-1877B, affirming his expertise and commitment to excellence in arboriculture.
Board Certified Master Arborist
Recognized by the ISA as a Board Certified Master Arborist, demonstrating advanced knowledge and skills in tree care and consulting.
International & National Memberships
Active member of the International Society of Arboriculture and the American Society of Consulting Arborists, reflecting ongoing professional development.
Specialized Credentials
Qualified in Tree Risk Assessment (TRAQ) and experienced in expert witness testimony, ensuring comprehensive support for your projects.
Frequently Asked Questions
Find answers to common inquiries regarding our services, certifications, and the procedures we follow to ensure your tree management needs are met with expertise and professionalism.
What certifications does John O’Shea hold?
John O’Shea is recognized as an ISA Certified Arborist and a Board Certified Master Arborist, with certification number WE-1877B. These credentials demonstrate his advanced expertise in arboriculture and tree management, ensuring clients receive authoritative and reliable assessments and reports.
What types of reports do you provide?
We offer a variety of professionally written reports, including tree risk assessments, inventories, appraisals, and construction/tree protection plans. Our reports are tailored to meet your specific project needs, providing clear, accurate, and actionable information.
How do you ensure safety in your tree management practices?
Safety is a top priority in all our services. We perform detailed tree risk assessments, utilize industry-standard techniques, and provide training demonstrations to promote safe practices. Our goal is to minimize hazards and protect people and property through expert evaluation and consultation.

Our Expertise & Certifications

Dedicated to delivering professional tree consulting services backed by industry certifications and extensive experience.

Certified Arborist & Master Arborist

Comprehensive Tree Services

Industry Affiliations

Our Certifications & Affiliations

We are committed to maintaining the highest professional standards through recognized certifications and memberships.

ISA Certification

Board Certified Master Arborist

International & National Memberships

Specialized Credentials

Frequently Asked Questions

Find answers to common inquiries regarding our services, certifications, and the procedures we follow to ensure your tree management needs are met with expertise and professionalism.

What certifications does John O’Shea hold?

What types of reports do you provide?

How do you ensure safety in your tree management practices?