About
O’Brien Kiernan Investment Co. (OBK) is a San Francisco-based, family-owned real estate firm with more than a century of experience in owning, developing, and managing commercial properties across the United States. Our diverse portfolio includes mixed-use developments, freestanding retail, restaurants, and neighborhood shopping centers.
For over 100 years, OBK has demonstrated resilience and adaptability through multiple real estate cycles. Guided by three generations of leadership, the firm has consistently combined vision, patience, and deep industry expertise to thrive in an ever-changing market.
Today, OBK continues to grow as both an investor and developer, actively acquiring properties to expand its family-held portfolio. As a landlord and property manager, the company leases to many of the nation’s most recognized retail brands and national tenants.
OBK’s core values remain true to the principles of its founders: a long-term investment approach, a dedication to creating lasting value, and the flexibility to evolve with the market while preserving a proud legacy.