When might a builder need an elevation certificate?

A builder might need an elevation certificate primarily to determine the elevation of a building in relation to the base flood elevation as required by the National Flood Insurance Program (NFIP). This certificate is essential when a property is located in a flood-prone area, as it helps establish whether flood insurance is needed and how much it will cost based on the level of risk. The information provided in the elevation certificate includes details about the building's elevation, which is critical for ensuring compliance with local floodplain management ordinances and for obtaining flood insurance coverage.

While the other scenarios may involve considerations related to building height and ground slope, they do not specifically address the need for an elevation certificate in the context of flood insurance, which is the primary reason for requiring this documentation.