Expert Tree Service is a full service, family-owned business based in Orinda, California. Our company provides superior tree care services to residential and commercial clients in the Bay Area.

Brian Gates is the president of the company and has over 35 years of experience in the industry. He is a certified arborist with the International Society of Arboriculture.

Expert Tree Service has a wealth of experience with its dedicated team of certified arborists, certified crane operators, qualified pesticide applicators, and EHAP-certified crew members.  Our expert services range from fine pruning and thinning trees for clients annually, to negotiating with neighborhood groups on sensitive tree projects.

In addition, we complete jobs in a timely and cost-effective manner.  Our large inventory of equipment and specialized machinery is company-owned  and we have vast knowledge with difficult tree removal.

Expert Tree Service prides itself for being a member of the following organizations:

  • Orinda Chamber of Commerce
  • ISA Certified Arborist
  • DPR – The California Department of Pesticide Regulation
  • NCCO – The National Commission for the Certification of Crane Operators