How big can my shed be without requiring a building permit? The biggest your shed can be without a permit would be 12x12 (in the state of North Carolina.)
Yes, if this is your primary residence that you own, and you perform all the work yourself. Do I need a permit for a shed or “temporary” structure? Yes, a Zoning Use Permit is required for structures 12 feet or less in any dimension.
How much insulation do I need? In Mecklenburg County the insulation requirements are: R-19 in a floor above a crawl space or garage, R-15 in the exterior wall cavity or R-13 in the exterior wall cavity plus an R-2.5 continuous insulation and R-38 in the attic.
Yes, a Zoning Use Permit is required for structures 12 feet or less in any dimension. This permit assures that the structure is located far enough from property lines and other buildings/structures. A building permit is required for anything measuring over 12 feet in any dimension.
The frost line in Mecklenburg County is approximately 12 inches (significantly less digging). Soil depths below the frost line are relatively constant in temperature. Positioning mains below the frost line provides thermal insulation to the water line that helps prevent water from freezing within.
The quick and simple answer is: you usually don't need a permit if the shed is 120 square feet or less.