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Dona Ana County

 Dona Ana County is named for Dona Ana, who was a legendary woman renowned for her charitable acts in the 17th century.


Surrounding County Courthouses: 

N – Sierra County

E – Otero County

S – El Paso County, Texas and Mexico

W – Luna County and Sierra County


Created:  January 9, 1852                      Map of New Mexico highlighting Doña Ana County

County Seat:

Mesilla          1852 – 1882

Las Cruces  1882 – present


Old County Courthouse – Las Cruces


Location:  251 West Amador Avenue / South Alemeda Boulevard

Built:  1936 – 1937

Style:  Spanish Mission

Architect:  Percy McGee

Contractor:  Unknown


Description: The building faces faces north and is a two story structure with abode walls. The building is located on landscaped grounds in the center of Las Cruces to the south of the courthouse. The center part is three stories. There is a central courtyard and the building has exposed vigas and carved wooden balconies. An addition was completed in 1969. The building was a Works Progress Administration project. The building is now being converted into a hotel.


Court House – Las Cruces



Location:  201 West Picacho Avenue / North Alemeda Boulevard

Built:  1925 – 1927

Style:  Modern School

Architect:  Lehmann & Wuehrmann

Contractor:  R E McKee


Description: The building faces east and is a two story glass, red colored brick and concrete structure. The building is located on landscaped grounds in the center of Las Cruces. The building was originally the Las Cruces Union High School. In 2004 to 2006, a modern addition was constructed on the east side. The east front has a semi-circular red colored brick wall with square openings. Behind the wall is a circular section with glass panel walls and rising to a chimney like tower. The north wing and west side are the original school. The building houses the District Court of the 3rd Judicial District. A modern addition was constructed on the south side. The roof is hipped. The architect wasWiginton, Hooker, Jeffry Architects of Dallas and ASA Architects of Las Crucesand the contractor was Wooten Construction of Las Cruces.


History:  The county was created in 1852 and Mesilla was selected as the county seat in 1855. The first courthouse was a one story structure built in 1850 and used as the courthouse. In 1882, the county seat was moved to Las Cruces. The second courthouse was a two story brick structure built in 1883. The third courthouse was constructed in 1936 to 1937 and is still standing. The fourth and present courthouse was constructed in 1925 to 1927 and converted to use as a courthouse in 2004 to 2006.


County Government Center – Las Cruces



Location:  845 North Motel Boulevard / W Hadley Avenue

Built:  2004 – 2006

Style:  Modern

Architect:  Design Collaborative Southwest of Albuquerque (DCSW)

Contractor:  Wooten Construction of Las Cruces


Description: The building faces east and is a two story glass and concrete structure. The building is located on landscaped ground on the west side of the center of Las Cruces.  The east front has a central section with large arch and recessed panels with entrance on the first story. Behind the entrance is a low dome. The north and south sections have higher roof lines and vertical pillars. The red colored roof is hipped. The building houses the County Probate Court.


Old Court House – Mesilla



Location:  Calle de Parian / Calle de Guadalupe

Built:  1850

Style:  Adobe

Architect:  Unknown

Contractor:  Unknown


Description: The building faces southwest and is a one story pink colored stuccoed structure. The building is located southwest of Las Cruces and along the east side of the Mesilla Plaza. The entrance is located on the southwest corner of the building. There are few windows and the roof line is flat.



Old County Courthouse – Las Cruces 















County Courthouse – Las Cruces 



















County Government Center – Las Cruces













Old County Administration Building – Las Cruses





Old County Courthouse – Mesilla







Photos taken 2007, 2014 and 2019