Meet the Owner

Lee Sonneville

Lee grew up in Elgin and Crystal Lake, IL where he was introduced to trees from a young age helping in the family business, Northern Tree Service. After working at a nursery, other tree services, for the City of New York as a gardener and then an arborist, and for the City of Boulder Parks Department, he started ArboRx Tree Care in Fort Collins in 2011. A Certified Arborist for many years, he became a Board Certified Master Arborist in 2019.

He now lives in Loveland with his wife Maritza.

Years serving Northern Colorado
Repeat annual customers
Years experience

Why choose ArboRx?

  • Professionalism

  • Courtesy

  • Value

  • Honesty

  • Results


I started ArboRx with a few goals in mind. I wanted to provide Northern Colorado with a tree service that put the trees and tree owners above all else, including profits. The results of implementing the core ethical principles of professionalism, courtesy, value, honesty and a focus on treatments that serve a real purpose has been staggering: within a few years I had a client list in the many of hundreds, and with virtually no advertising. I can't imagine doing it any other way.