O'Fallon Tree Service O'Fallon Address: 401 Church St Unit 1659, O'Fallon, MO 63366 Phone: (314) 582-8950 We are a professional tree service located in O'Fallon, Missouri offering a variety of tree care services. Or services include tree removal, stump removal, tree trimming, tree planting, fertilization, and emergency tree care. We work all over the St. Louis metropolitan area and have extensive experience in both urban and suburban environments. We have a highly knowledgeable team that is both bonded and insured - greatly lowering the risk to customer property. We believe in the recovery of trees that don't need to be removed and offer free tree consultations. This allows our experts to inspect trouble trees and make informed decisions before a financial obligation is made by our customers.