Established by Governor Parris Glendening, the Smart Growth Subcabinet began as the Smart Growth and Neighborhood Conservation Subcabinet in January 1998 by Executive Order. It was formalized by statute effective July 1, 2001 (Chapter 566, Acts of 2001; Code State Government Article, sec. 9-1406​). The Subcabinet helps implement the state's Smart Growth Policy, making recommended changes in state law, regulations, and procedures to the governor needed to support the policy. The Subcabinet works to create, enhance, support, and revitalize sustainable communities across Maryland.

The Subcabinet is made up of the secretaries of (Ex officio) the Maryland Depatyments of Agriculture, Budget & Management, Commerce, the Environment General Services, Health, Housing & Community Development, Labor, Natural Resources, Transportation, and Higher Education, the director of the Maryland Energy Administration, and the executive director of the National Center for Smart Growth Research & Education at the University of Maryland. ​​​​

Ch​​air 

​ ​	​The Subcabinet is chaired by Planning Secretary Rebecca L. Flora, AICP. The chair convenes monthly meetings and is responsible for the oversight, direction, and accountability of the work of the subcabinet. The chair's office also provides the primary staff for the subcabinet.​ ​

Members