Territorial Jurisdiction

Bricklayers and Allied Craftworkers Local 1, covers Washington D.C. the Commonwealth of Virginia, several counties in East North Carolina.

The counties in Eastern North Carolina include:
Northampton
Hertford
Gates
Camden
Currituck
Halifax
Bertie
Chowan
Martin
Washington
Tyrrell
Dare
Perquimans
Passquotank

Bricklayers and Allied Craftworkers Local 1, covers  parts of Maryland.

All counties included except Allegany, Garrett, and Washington.