Downtown Santa Ana

Downtown Santa Ana Historic Districts (North, Government/Institutional and South, Retail)
Old Orange County Courthouse
LocationRoughly bounded by Civic Center Dr., First, Ross, and Spurgeon Sts., Santa Ana, California
Coordinates33°44′54″N 117°52′5″W / 33.74833°N 117.86806°W / 33.74833; -117.86806
Area24.5 acres (9.9 ha)
Built1877
Architectmultiple
Architectural styleLate 19th and 20th Century Revivals, Moderne, Mission/Spanish Revival
NRHP reference No.84000438
CHISL No.204
Added to NRHPDecember 19, 1984

Downtown Santa Ana (DTSA), also called Downtown Orange County, is the city center of Santa Ana, the county seat of Orange County, California. It is the institutional center for the city of Santa Ana as well as Orange County, a retail and business hub.

The Downtown Santa Ana Historic Districts are listed with the National Trust for Historic Preservation and consist of numerous historic buildings across the area.