William S. Duff Jr.

William S. Duff, Jr. AIA, LEED AP, is the founder and managing principal of William Duff Architects, in San Francisco. Founded in 1998, the innovative, award-winning practice is nationally recognized for responsive, sustainable architecture that lives well. William's designs are known for their elegant simplicity, both in plan and detail, and for their sophisticated use of space, light, and materials. His firm's projects include flagship retail stores, single- and multifamily homes, restaurants, office spaces, cafés, wineries, art galleries, and full building renovations. William received his B.Arch. from Cornell University and his master’s in construction management from Colorado State University.

William S. Duff Jr.'s Posts

Design Approach
William S. Duff Jr.: Establish a People-Based Practice in Architecture

by William S. Duff Jr.

The founder and managing principal of his eponymous firm in San Francisco describes the benefits of organizing a practice around people.
practice
right-sizing your price

To sustain their businesses during the economic recovery, some firms are getting creative with their pricing.
k+b studio / kitchen
William Duff Architects Designs an Eco-Friendly, Attractive Kitchen

by Meghan Drueding

Accordion doors link the kitchen to the outdoors, and a freestanding wall, ending 2 feet below the ceiling, allows both natural breeze and light to enter the space.
k+b studio / bath
A Northern California bath mixes teak and tile

by Meghan Drueding

William Duff Architects designs a relaxing master bath that opens to a private garden.