How to Verify a Certified Arborist Credential

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Recently, it was brought to my attention that there are some people performing tree work in the area claiming to be “certified arborists” when in fact, they are not. So… how can you tell if someone is telling the truth? One way is to ask for a business card or ask for their ISA Certified Arborist® credential number which will be in the following format: [state abbreviation] – [four digits] [letter]. Here is an example of a business card (mine!) with the credential number explicitly listed:

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The best way to verify this credential number is to search on the ISA Certified Arborist® database. Simply go to treesaregood.org, click the “Find an Arborist” section then choose “Verify a Credential.” From there, enter the credential certification number and submit the request to see if the credential is in fact genuine.

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Over my time working at Russell Tree Experts, I’ve sadly heard countless stories of “door knockers” coming by a person’s home and ruining their beloved tree. It’s a very sad occurrence in our industry and we hope through education these stories can lessen.

Improper tree work not only can cause irreparable damage to the tree or property, but there is also potential for spreading disease to nearby trees and affecting others’ landscapes. Tree care can also be very dangerous work, for both the property owner and the person doing the work. We highly recommend hiring an ISA Certified professional (even if it’s not us!) with the proper equipment, knowledge, and experience to perform your challenging tree work. The health of our environment relies on proper care for our trees so we may enjoy their countless benefits from improving air quality to providing homes for wildlife and beyond!

We’re very proud to have 19 ISA Certified Arborists® on our staff! Feel free to double-check their credentials at treesaregood.org! :)

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Lindsey Rice | Office Manager, Russell Tree Experts

Lindsey joined Russell Tree Experts in 2015 with a B.S. in Agribusiness and a minor in Horticulture from The Ohio State University. Growing up in Northwest Ohio, she participated in various sports, band, and FFA which ultimately inspired her love for the tree industry. She loves to spend her free time outdoors with her husband and daughters.