Danna,

The laws for this totally vary based on the state with some requiring you to have a brokers license and others not. (Most do) Check this website to find specific information about your state:

http://www.allpropertymanagement.com/propertylaw/

A more important qualification would be the experience managing properties and the rules, regulations & legalities. Property management & commercial real estate are a unique business of their own. There still is an air of the "old boy network" in this business. Below is a link to the Massachusetts Division of Professional Licensure for refrence. The Greater Boston Real Estate board, http://www.gbreb.com also has an association for commercial & property management.

yes, you will need a property management license to manage commercial property.

Here at Allied School, they have the highest quality online courses. http://www.propmanagementcourse.com/index.html