Orange County's finest class A medical office building
located in the heart of the Santa Ana medical

About Us

The 999 Building is a professionally managed, Class A Medical Office Building.

Home to many of Orange County's finest medical and dental professionals and two renown diagnostic imaging centers, the 999 Building is c
onveniently located at 999 No. Tustin Avenue in Santa Ana, just off the 55 Freeway between 4th & 17th Streets, and right next door to Orange County Global Medical Center (formerly Western Medical Center Santa Ana).

The 999 Building features managed parking for patients, staff & employees, a beautifully landscaped atrium style courtyard, and an onsite pharmacy for patient convenience.