Duval County is named for Burr Harrison Duval, who was a soldier in the Texas Revolution and who died in the Goliad Massacre.
Surrounding County Courthouses:
N – McMullen County and Live Oak County
E – Jim Wells County
S – Brooks County and Jim Hogg County
W – Webb County
Created: February 1, 1858 
County Seat:
San Diego 1876 – present
County Courthouse – San Diego
Location: 400 East Gravis Street / South Bexar Street
Built: 1915 – 1916
Style: Classical Revival
Architect: Sanquinet Staats and Gotlieb
Contractor: L G Hamilton
Description: The building faces north and is a two story red colored brick and concrete structure. The building is located on landscaped grounds in the center of San Diego. The building has a raised basement. The north front has a central entrance on the first story with three windows on the second story with wide belt above and peak at the roof line. The east and west sections are recessed and lower in height. The County Courtroom is located on the second story and has wood paneling, and the District Court courtroom is located in the Courthouse Annex. The building houses the State District Court, Constitutional County Court and County Justice Court. In 1938, an addition was constructed on the south side as the Courthouse Annex. The architect was Page Brother of Austin and the contractor was C C Fowler. The Courthouse Annex was renovated in 1999 to 2000. The architect was Morgan Spear Associates, Inc. and the contractor was Progressive Structures, Inc.
History: The county was created in 1858 and San Diego was selected as the county seat in 1876 when the county was organized. The first courthouse was a two story frame structure designed by B H Heldenfeld and built in 1879 at a cost of $3,700, and which burned in 1914. The second and present courthouse previous courthouse was constructed in 1915 to 1916 at a cost of $70,000.
County Courthouse – San Diego
County Court courtroom
County Courthouse Annex – San Diego
District Court courtroom
Photos taken 2014 and 2019