FI Excavators and Contractors Must Contact 811 Prior to Digging or Excavation
By law, excavators and contractors working in Suffolk County must contact New York 811, at least 48 hours prior to beginning any mechanized digging or excavation work to ensure underground utility lines are marked.
Dial 811 on Fishers Island
or 1-800-272-4480
For safety reasons, homeowners are strongly encouraged to call as well.
Outline the area you plan to excavate with white paint.
Click here for more information.