Edinger Plaza is a 52,997 square-foot, two-story freestanding office property located at 1801 E. Edinger Avenue in Santa Ana's Madison Park–Cornerstone Village neighborhood. Originally constructed in 1988, the multi-tenant building is anchored by Big Brothers Big Sisters of Orange County & the Inland Empire, which owns and occupies 44% of the property ensuring institutional-quality stewardship, hands-on management, and long-term capital reinvestment. The building offers a distinctive mission-driven tenancy and is home to Orange County's largest nonprofit hub, attracting purpose-led organizations alongside traditional professional users. Tenants benefit from a beautifully landscaped central courtyard, renovated common areas, on-site security, abundant free surface parking, and shared access to a 1,700-SF training room ideal for offsites, board meetings, and large gatherings. Strategically positioned just half a mile west of the SR-55 Freeway, Edinger Plaza delivers exceptional regional connectivity to the I-5, I-405, SR-73, and SR-241, placing tenants within minutes of John Wayne Airport, The District at Tustin Legacy, South Coast Plaza, and the broader Greater Airport Area employment base. Abundant retail, dining, and service amenities are within a one-mile radius, supporting a productive and convenient day-to-day workplace experience.