The State Department of Natural Resources has a searchable database to help residents find a licensed tree expert.
Baltimore County Bureau of Highways is responsible for clearing trees on county roads. To report fallen trees, call 410-887-3560. For other fallen-tree situations, the Maryland Department of Natural Resources reminds residents that tree experts must be licensed in order to do business in the state. Here's DNR's Tree Experts List to search through. Here's a list of licensed tree experts in Pikesville.