About Sandborn Tree Service

Sandborn Tree Service concentrates on tree care, pruning, cabling, consultation, tree removal, stump grinding, and vegetation management. Clients include home owners, home owners associations, municipalities, contractors, property management firms, industries, businesses, utility companies and agricultural establishments. All the biomass generated from tree care operations are recycled or reused. Sandborn Tree Service is fully insured and maintains active memberships in several professional organizations in order to remain current in this growing field.


Sandborn Tree Service Inc. was founded in March of 1975 by Sebastopol native, R. E. “Chip” Sandborn, a graduate of Cal Poly, San Luis Obispo with a Bachelor of Science degree in Biological Sciences. He founded the business with a passion for trees and a keen interest in their interaction with environmental systems. Sandborn Tree Service Inc. is not only known for providing high quality tree service in our community but also for producing highly skilled tree workers in this growing profession.

In May of 2010, Mr. Sandborn’s eldest daughter, Mariah, started working at Sandborn Tree Service. She is now the Office Manager and handles everything in the office with professionalism and kindness. Sandborn Tree Service is truly a family run, local company.

Our Team

In order to satisfy the needs of our clients while maintaining the health of their trees, careful selection of employees is of the utmost importance. All employees are hired for character, aptitude, and attitude. They are consistently being provided with opportunities to increase their knowledge of arboriculture, safety, tree care techniques and skills as a part of their continuing education. They are trained and educated as to the proper care of trees in the landscape. Several are certified by the Western Chapter of the International Society of Arboriculture as Certified Tree Workers. Additionally, all of our crew members receive annual aerial rescue training and certification, and are kept current on CPR and First Aid Certification.