Contact the Office of Citizen Services at 631-957-7474 or 3-1-1. A service request will be sent to DPW to schedule an inspection of the tree. Inspections include gathering information on location, degree of nuisance, existing workload, health of the tree, other existing problems and if the sidewalk has been lifted by more than two inches. If warranted, repairs will be scheduled and expedited as soon as possible.