Which document is typically required to obtain a building permit?

The construction plan is the correct document required to obtain a building permit because it provides a detailed outline of the proposed work, including drawings and specifications that illustrate how the project will comply with local building codes and regulations. Authorities review the construction plan to ensure safety, structural integrity, zoning compliance, and adherence to legal requirements. This document is essential for the permitting process, as it demonstrates the specifics of the work being performed, allowing inspectors to evaluate whether it meets all necessary standards.

While a contractor's license is necessary for the contractor involved in the project to legally operate, it alone does not constitute a permit application. Homeowner's insurance may be relevant for protecting the homeowner or contractor against potential liabilities but does not play a direct role in the permitting process. A project timeline, although useful for planning purposes, is not typically required by permitting authorities as part of the permit application. Thus, the construction plan stands out as the primary necessity for securing a building permit.