To get a building permit, you will need to file a completed building permit application along with any required documentation. Our permits are all on-line with a link from the Town of Portsmouth website. Documentation that may be required includes plans of the proposed construction, site plan and approved septic plans. In addition, other necessary written approvals may be required from other town or state agencies such as the Rhode Island Department of Environmental Management (RIDEM), local utility companies, the fire department, and the zoning board. The types of documentation you need to file depends on the nature of your proposed project and local building regulations.