The following article is based on our exclusive database of the top US office real estate developers, specifically targeting office property developers from California.
The list contains several valuable data points, such as general contact details and the names of the management. We also indicate the real estate development focus of the listed firms (e.g. residential, office, hospitality, retail, etc.). The list is available for immediate download as an Excel file via our online shop. You might also be interested in our list of the top US office real estate investors.
Office real estate developers from California play a pivotal role in shaping the state’s dynamic commercial landscape, particularly in major hubs like Los Angeles, San Francisco, and Silicon Valley. These developers are responsible for designing and delivering modern workspaces that respond to the evolving needs of businesses, from tech giants to creative industries and professional services. Operating in a highly competitive and innovation-driven environment, they focus not only on functionality and location, but also on sustainability, flexibility, and design. Many of California’s leading office developers are at the forefront of integrating green building standards, smart technologies, and mixed-use elements, thereby helping to define the future of work across the state and beyond.
One of the most established developers in the office real estate sector is Shorenstein Investment Advisers LLC, based in San Francisco. With a long-standing reputation for acquiring, developing, and managing high-quality office, residential, and mixed-use properties across the United States, Shorenstein is a key player in shaping urban commercial environments. Renowned for its strategic investments in both established and emerging markets, Shorenstein places particular emphasis on sustainability, enhancing the tenant experience, and ensuring long-term value creation. Most recently, on 26 February 2025, Shorenstein announced a joint venture with Tritower Financial Group, a Boston-based private real estate investment firm, to acquire The XChange, a 480,000-square-foot research and development (R&D) office park located in Bedford, Massachusetts. This strategic move underscores Shorenstein’s dedication to expanding its portfolio by investing in innovation-driven assets and high-growth submarkets.
List of the 5 largest office real estate developers from California
Below is a summary of the top-performing office property developers from California:
| Name | City | Investment Focus | Assets under Management |
|---|---|---|---|
| Shorenstein Investment Advisers LLC | San Francisco | Residential, Office, Retail | > $10bn |
| The Swig Company, LLC | San Francisco | Residential, Office | n.a. |
| Hackman Capital Partners | Culver City | Office, Retail, Light Industrial | > $10bn |
| Panattoni | Irvine | Office, Logistics, Light Industrial | n.a. |
| Swift Real Estate Partners | San Francisco | Office, Logistics | > $1bn |
Image source: Casey Horner
