What is another name for a building blueprint?

A building blueprint is often referred to as a building plan. This term encompasses the detailed architectural drawings and specifications that outline the design, dimensions, and layout of a structure. Building plans are essential in the construction process, providing crucial information to contractors and builders on how to execute the design.

In contrast, a plat map represents the layout of a piece of land, often detailing plots, boundaries, and features, but does not provide the specific architectural details found in blueprints. A road map serves a completely different purpose, providing navigational guidance for travelers rather than construction details. Lastly, a tax assessor map is typically used for property taxation purposes, showing property boundaries and land use, and it does not include the design specifics necessary for building a structure. Thus, the term "building plan" is the most appropriate synonym for a blueprint within the context of construction and architecture.