1. Don't panic!
2. Take a look at the Zoning By-Laws and The Town GIS Map. The use table of the Zoning By-Laws starting on page 100 (5-77) will be helpful to determine what can be built in that area.
3. Does it interfere with wetlands or other conservation area? Call (978) 671 -0966 or email the Conservation Director at ITourkantonis@town.billerica.ma.us
4. Does it not comply with Zoning or Building regulations? Check with our permitting department to make sure a variance was not granted. You can reach Olivia by calling (978) 671 -0964 or by email at OCanario@town.billerica.ma.us
5. If no variance was granted and you still think that it is not allowed you can reach out to the Building Commissioner at (978) 671 -0959 or by email at MLaLumiere@Town.Billerica.MA.US