Tad Jacobs founded TREEMASTERS with three very simple principles; Honesty, Integrity and Craftsmanship and after thirty years in business those principles continue to be our pledge to our clients.

At TREEMASTERS we show pride in providing the highest quality tree care for our valued clients. Every day we aim to maintain our commitments to serving our clients and preserving the environment. High quality customer service comes first and foremost from our dedicated staff. We provide the superior quality tree care experience TREEMASTERS has been best known for.





TREEMASTERS aspires to provide CONFIDENCE to all that have any interaction with our company.

TREEMASTERS is committed to providing high quality tree care in an environmentally responsible manner to our clients using state of the art tools and equipment, operated by highly trained individuals utilizing the safest work practices available.

TREEMASTERS seeks to promote a positive work environment, which fosters creativity, input, responsibility and pride. We will only employ courteous individuals seeking a long-term employment opportunity.

TREEMASTERS recognizes the purveyors that support our company deserve to be treated with admiration, honesty, and good communication. They deserve to be promptly paid a fair salary for their service. In turn TREEMASTERS expects timely, professional and thorough service.

TREEMASTERS will treat our fellow tree care providers with respect, always helping them provide and promote high quality tree care to all of their clients.

TREEMASTERS recognizes that our staff, purveyors and other fellow tree care providers are all necessary elements to providing our highest level of service that all our TREEMASTERS clients deserve.

Finally, we as team at TREEMASTERS will hereby recognize that our most important goal is to provide great care and attention, to the one tree, we are working on at that moment.

Tad Jacobs

I.S.A. Certified Arborist #WE-8281A, DPR Qualified Applicator #117773, Certified Tree Safety Professional CTSP #1571, Tree Risk Assessor (TRAQ Certified)

Owner Tad Jacobs has been providing Marin County with quality tree care since 1987. With Tad’s drive and vision TREEMASTERS has grown into one of Marin County’s most recognized and respected tree care companies. TREEMASTERS is a TCIA Accredited Company and is honored to have this recognition. Tad, a founding Member of the ” TCIA Peer to Peer Group” a group of business leaders in the tree service industry from all over the US as well as Canada, that get together and share ideas, business strategies and their experiences. Tad is now a Board Member of the TCIA, the world’s largest Arboricultural Trade Organization, representing over 2300 tree care firms worldwide.

Tad is heavily involved and dedicated in continuing his education and training to stay current with the latest developments in the tree care industry in order to provide our clients with the highest quality service. Tad is currently an I.S.A. Certified Arborist with a Tree Risk Assessment Qualification, a Certified Tree Care Professional and Licensed by the State of California as a Qualified Applicator. Tad is an austere leader with safety being the #1 priority for the production teams in the field. Tad has established a rigorous safety training regime for new field team members as well as the seasoned team members who have been with the Company for decades. When Tad is not out and about meeting with clients, running crews or managing his business, this Marin County native enjoys cycling and mountain biking along the trails of scenic Marin County.

Michael Queirolo

I.S.A. Certified Arborist #WE-8291A, Tree Risk Assessor (TRAQ Certified), Certified Tree Worker #2147C

Michael joined the TREEMASTERS team in 2002. Beginning with performing tree work in the field, over the course of several years, Michael gained the knowledge to allow him to become an ISA Certified Arborist with a Tree Risk Assessors Qualification. Michael has dedicated himself to providing our clients with knowledgeable high quality tree care.

Michael Queirolo
David Orlandi
Patrick Shand

ISA Certified Arborist #WE-12127A

Patrick joined the TREEMASTERS team in 2017 and has been working in the industry since 2005. He is one of our lead foreman as well as an arborist that excels at providing our clients with high quality tree care.