Main Street Mount Joy (MSMJ) is a 501c3, charitable organization registered in the state of Pennsylvania for downtown revitalization. MSMJ is a subsidiary of the National Main Street Program launched by the National Trust for Historic Preservation designed to help communities revive their business districts. There are over 1200 Main Street communities across the United States.

• Mission & Vision
  
• Strategic Plan
  
• Board of Directors
  
• Why are Main Streets Important?