This ordinance establishes a Construction Code for Hillsborough County; incorporating the regulatory implementation of the National Flood Insurance Program. Guide for all residential singlefamily addition construction projects.The Clerk of Court Recording Department records, indexes, and archives all documents that create the Official Records of Hillsborough County. These are the development standards for all projects within the Town of. Hillsborough. All exterior changes are subject to Design Review approval. The Town of Hillsborough's Administrative Manual, provides information relevant to the day-to- day use of this Ordinance. Online services include registration renewals, property tax payments, and more. To secure Planning approval of the accessory dwelling unit, submit a completed Accessory Dwelling. If your incident is not listed in the category selection list, call the Hillsborough County Sheriff's Office at for non-emergencies. Once any permitted planting or structure in conjunction with a conservation easement is shown on an approved site plan, no additional disturbance is permitted.