Bull Stockwell Allen is a San Francisco based design firm. BSA’s planning and architecture portfolio represents our commitment to award-winning design and a dedication to the highest level of client service.
We are architects and designers who are passionate about collaborating with our clients to arrive at design solutions that are innovative and reinforce place, brand, culture and community. As contemporary creators of place, we combine respect for the environment with design that is beautiful and the embodiment of form and function. A key foundation to the success of BSA’s work lies in our ability to foster respect, communication and build long-term relationships with our clients, consultants and communities. BSA has won over 75 major design awards including “Firm of the Year” by the American Institute of Architect’s California Council.