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The Smithtown Building Department does not accept applications for projects within the Village of the Branch, Village of Nissequogue or Head of the Harbor. These villages have their own Building Department:
500 North Country RoadSt. James, NY 11780
Phone: (631) 584-5550
12 Oxford LaneP.O. Box 725Smithtown, NY 11787
Phone: (631) 265-3315
P.O. Box 352St. James, NY 11780
Phone: (631) 862-9494