However, no permit is required for replacement of windows, doors, exterior siding, or the pickets, railings, stair treads, and decking of porches and exterior decks that otherwise meet the requirements of this subsection. (2) The addition or change in the design of plumbing.
In North Carolina, it is generally required to obtain a permit before building a shed on your property. This is because sheds are considered to be accessory structures, which are regulated by the state.
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.)
Per the California Residential Code detached accessory structure not exceeding 120 square feet does not require a building permit if there is no plumbing, electrical, and or mechanical equipment. Please note, Sheds and/or Structures under 120 square feet do require a Planning Permit.