About

Randall Frizzell, Consulting Arborist

As a Certified Arborist…

Randall Frizzell has 35 years of experience providing tree and landscape consulting and contract services. Mr. Frizzell and his associates have extensive experience in the field of consulting arboriculture, specializing in plant diagnosis, tree risk assessment, site assessment, tree-landscape forensics, plant appraisals, and tree/vegetation management plans.

Mr. Frizzell has provided services to National Parks, California State Parks, PG&E, several municipal utility districts, and a wide variety of counties and cities, as well as thousands of property owners. Randall Frizzell is a Registered Consulting, Certified Tree Risk Assessor, and Certified Arborist. He also has 27 years experience owning and operating a tree service in the region.

Experience History

  • Registered Consulting Arborist, 1996 to present
  • Certified Arborist, 1984 to present
  • Tree Service Contractor, 1976 to 2001
  • Bachelor of Science, Horticulture. Cal Poly, San Luis Obispo
  • US Forest Service, Silviculturalist, 1969 through 1975
  • Redwood State Park, 1971-1972, Forest Restoration

Professional Certifications & Affiliations

  • Registered Consulting Arborist #361 (American Society of Consulting Arborists)
  • Certified Arborist (ISA) #WE-0118A (International Society of Arboriculture)
  • California Arborist Association
  • State Contractor License 737859
  • California Tree Failure Report Program
  • Utility Arborist Association