Potomac Masonic Lodge No. 5 - View this location on map City's oldest lodge hall, built in 1810 by Georgetown's third Masonic Lodge (Potomac Lodge No. 43, rechartered in 1811 as Potomac Lodge No. 5); sold 1840 and converted to a shop and residence; 2 stories, brick, facade altered (central door and arched 2nd floor recess, lunette and panels filled in; show windows added 1940s) 1058 Thomas Jefferson Street, NW, Washington , DC Historical

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