Residential 3 Season Rooms require permitting and inspections. All construction is required to comply with the County's adopted building codes. Sun rooms can also meet the specifications set forth in AAMA/NPEA/NSA 2100-12. Complete plans showing the new construction & how it is tied into the existing dwelling are required. These plans do not need to be professionally drawn, but must be legible and include all the required information on construction member sizes and spacing.