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National Arborists
Your online resource for local tree service companies & tree care information.

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Home  > Local Tree Care Services  > California, CA  > Sonoma County CA


A lot of tree services advertise in the phone book, the local newspaper, or even on the internet, but how does a homeowner find a qualified arborist or good tree service? With a little research a homeowner can find a qualified arborist or good tree service by looking at tree service ads, the website of the tree service, or associations related to the tree care industry.

An arborist, or tree service, that maintains membership in  tree care associations is more likely to be using up to date techniques and products because the arborist, or tree service, is exposed to the latest tree care industry research and news. Some of the more popular tree care associations are the International Society of Arboriculture, The Tree Care Industry Association, and the American Society of Consulting Arborists. The arborist, or tree service, may also be a member of a statewide, or regional, tree care association. If the arborist, or tree service, is a member of a tree care association they will probably promote this fact in their advertising or on their website. A homeowner can confirm the arborists, or tree services, membership by going to the website of the tree care association and reviewing their membership list.

A qualified arborist, or good tree service, will only perform industry acceptable work. If the arborist, or tree service, advertises tree topping as one of their services they are not following, or promoting, industry-acceptable tree care practices. Research has repeatedly shown that tree topping is harmful to trees and can promote decay in trees and increase storm damage potential in trees.

To help us find you a local California Tree Service Company, please fill out the form to receive a tree pruning, tree removal, insect or disease control, or stump grinding estimate.

If you are the owner of a Californai Tree Service Company and would like information on how you can see your company on this page, please visit our Tree Service Advertising page.

A good indication that you have reached a qualified arborist, or tree service, is if the arborist is an ISA Certified Arborist, or if the tree service employs ISA Certified Arborists. The International Society of Arboriculture only certifies arborists if they have tree care experience and pass an extensive examination covering a wide range of tree care topics. The Certified Arborist must maintain this credential by accumulating continuing education credits or retaking the exam every three years.


Another good sign you are dealing with a professional arborist, or tree service, is if they give you their recommended tree care services in writing. Having the tree care services in writing allows you to make an apples to apples comparison if you choose to have a second opinion from a different arborist or tree service.

A good, experienced arborist, or tree service, can provide you with references or photos of their tree work. Many tree services put photos of their tree work on their website. If you decide to hire the arborist, or tree service, they will also be able to provide you with proof of insurance.


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