Prince George’s County is named for Prince George of Denmark, who was the husband of Queen Anne I of Great Britain.
Surrounding County Courthouses:
N – Montgomery County and Howard County
E – Anne Arundel County and Calvert County
S – Charles County
W – Fairfax County, Virginia, Alexandria, Virginia and Washington D.C.
Created: October 3, 1695 
County Seat:
Mount Calvert 1696 – 1721
Upper Marlboro 1721 – present
Old County Courthouse – Upper Marlboro
Location: 14735 Main Street / Water Street
Built: 1881 – 1882
Style: Classical Revival
Architect: Frank Davis
Contractor: William A Jarboe
Description: The building faces north and is a two story red colored brick structure. The building is located on landscaped grounds in the center of Upper Marlboro. The building has three wings. The north front has a portico with four columns rising to a pediment at the roof line. On the center of the roof is a square white colored cupola. With black colored dome. The roof is hipped. An addition was constructed in 1908 and designed by B F Smith. An addition was constructed in 1940, designed by Upman & Adam and constructed by Joseph Light Construction Company. An addition was constructed in 1947 and an addition was constructed in 1960. The architect was John M Walton and Denis W Madden and contractor was John Tester & Company.
County Courthouse – Upper Marlboro
Location: 14735 Main Street / Water Street
Built: 1991 – 1993
Style: Modern
Architect: Helmuth, Obata & Kassabaum
Contractor: Turner Construction Company
Description: The building faces south and is a four story red colored brick and concrete structure. The south center section projects from the main building rising three stories with a semi-circular recessed section rising to the roof line. The windows are horizontal. The building is along the south side of the old courthouse.
See: The 7th Judicial Circuit includes Calvert County, Charles County and Saint Mary’s County.
Old County Courthouse – Upper Marlboro
County Courthouse – Upper Marlboro
Photos taken 2013