Which agency is responsible for regulating real estate professionals in Illinois?

The correct answer is the Illinois Department of Financial and Professional Regulation. This agency is tasked with overseeing and regulating a variety of professional industries in Illinois, including real estate. It ensures that professionals within the field adhere to state laws and regulations pertaining to real estate transactions, licensing, and ethical practices.

The Illinois Department of Financial and Professional Regulation manages the licensing requirements for real estate professionals, including brokers and leasing agents. It plays a critical role in enforcing standards that protect consumer interests and maintain the integrity of the real estate profession in the state.

The other options do not accurately represent the agency responsible for real estate regulation in Illinois. The Illinois Department of Real Estate Management, the Illinois Department of Real Estate Affairs, and the Illinois Real Estate Regulatory Authority are not the official entities governing the regulation of real estate professionals in the state.