Orange County administrative offices are located at 333 West Santa Ana Boulevard, Santa Ana, CA 92701; phone: 714‑834‑5400.
The movement to break-away from Los Angeles County began as early as 1870, but it was not until 1889 that the California Legislature created Orange County. The new county corporation became official on August 1st of that year at which time Santa Ana was selected as the county seat.
TOWNS
HISTORIC SITES