MASON Architects is a San Francisco Bay Area architecture firm specializing in high-end hospitality, residential and mixed-use design, master-planning, and custom residences founded by award- winning hospitality industry veteran Peter T. Mason AIA, LEED BD+C, a former principal with Hill Glazier Architects and HKS Hill Glazier Studio.

Principal Peter Mason is a former Mayor and Member of the Woodside Town Council. He also served as chair of the Woodside Architecture and Site Review Board, and on the Portola Valley / Woodside Fire Wise Committee.

Winner of World’s Leading New Hotel 2019




Peter Mason’s years of community service to the Town of Woodside CA, including 4 years on the Architectural and Site Review Board, and 12 years on the Town Council have given him a strong grasp of the requirements for successfully expediting custom home projects through the planning, design approval and public hearing process.

The Firm’s design portfolio includes residential new builds, renovations, additions and ADUs. Our approach is to forge a partnership with our clients, using our experience and design skills to create a residence / living space that expresses their lifestyle, dreams and aspirations. The team’s background in luxury hospitality design has disciplined them in the imperatives of working to budget and within timelines.

The Firm currently has over $100 million in custom residential design in its project portfolio.




Award-winning Architect Peter Mason has a long international track record of successfully managing teams of consultants to deliver complex building projects on time and within budget. In his career he has been involved in the design of some of the world’s most iconic hotels, many of which have won repeated rewards.