What is defined as the area a building is off the property line as required by code?

The term that accurately describes the required distance between a building and the property line is "Setback." This concept is an essential aspect of zoning and building regulations which ensures that structures are built at specified distances from property lines. Setbacks are created for various reasons, including safety, aesthetics, fire prevention, and ensuring that there is adequate light, air, and access to a property.

For instance, local building codes will dictate specific setback requirements based on factors such as the type of building, its use, and its impact on the surrounding environment. These regulations help maintain a harmonious relationship between neighboring properties and mitigate potential hazards, thereby enhancing community safety.

The other terms, while they might relate to property management or land use, do not encapsulate this specific legal definition concerning the distance from a building to a property line. For example, a buffer zone typically refers to a designated area that provides a transition between different land uses or mitigates impacts, but it isn't synonymous with the measurement from a building to the edge of a property. Similarly, property margin and boundary limit do not specifically convey the regulatory distance required by code, which is why "Setback" is the correct choice in this context.