Plumbers Local 5 covers all of Washington D.C., portions of the of the state of Maryland, and portions of the state of Virginia. Below are the major counties, and cities within our jurisdiction.

Plumber's Local 5, in the District of Columbia covers all of Washington D.C.

Plumber's Local 5, covers all of the following counties in Maryland:

• Alleghany County
  
• Calvert County
  
• Charles County
  
• Garrett County
  
• Montgomery County
  
• Prince George's County
  
• St. Mary's County
  

Plumber's Local 5, covers portions of the following counties in Maryland:

• Anne Arundel County
  
• Washington County to the Hancock City limits

Plumber's Local 5, covers all of the following counties in Virginia:

• Arlington County
  
• Clarke County
  
• Fairfax County
  
• Fauquier County
  
• Loudoun County
  
• Prince William County
  
• Stafford County

Plumber's Local 5, covers portions of the following counties in Virginia:

• Frederick County
  
• King George County
  
• Warren County
  
• Westmoreland County

Local 5 cover the following Cities in our jurisdiction in Virginia:

• Alexandria
  
• Fairfax 
  
• Falls Church
  
• Fredericksburg 
  
• Winchester