A person must be licensed if she is:

A person must be licensed if she is engaging in the real estate business because this activity involves representing others in transactions related to real property, which includes selling, leasing, or managing property for compensation. The purpose of licensing is to ensure that individuals have the necessary knowledge of real estate laws, regulations, and practices to protect the interests of the public and promote ethical standards within the industry.

In contrast, selling one's own house or buying a house for personal use does not require a license, as these activities are generally considered personal transactions rather than professional ones. Likewise, while constructing houses might involve skills related to construction and may require certain permits, it does not fall under the definition of engaging in real estate as a profession unless the individual is also selling those houses as part of a business. The legal requirement for a license specifically applies to those acting in a professional capacity in the real estate market.