423 Tree Service: Your Trusted Tree Care Experts in Erwin & Johnson City, TN. With over 10 years of experience, our certified arborists deliver safe, reliable tree services for homes and businesses. We specialize in tree removal, trimming, stump grinding, emergency tree services, land clearing, arborist consultations, and tree maintenance. As a locally-owned company, we’re committed to enhancing Johnson City’s beauty and safety. Contact us today for a free consultation!