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Business Details
50+ Years
experience
Your Trusted Architectural Partner in Santa Cruz
William Bagnall Architects was founded in 1971 by William Bagnall in Santa Cruz, California. Peter Bagnall joined his father 15 years later, and together they collaborated on projects for 25 years. With over 30 years of experience, Peter continues to serve Santa Cruz County and the Central Coast region. Our firm specializes in both commercial and residential architectural projects, delivering innovative and sustainable solutions. We have successfully completed numerous LEED-certified projects, including natural foods stores, hotels, wineries, restaurants, car dealerships, custom homes, office spaces, amusement parks, and mixed-use complexes.

Notable projects include the Flat Iron Building on Pacific Ave, Resurrection Church in Aptos, the Hyatt Place Hotel Santa Cruz, and Loma Prieta Winery. Our team excels at guiding clients through every phase of a project, from concept to completion, transforming ideas into reality. We prioritize client collaboration and maintain a strong commitment to quality and sustainability. Our extensive portfolio demonstrates expertise in diverse building types and scales, from single-family residences to large commercial developments. We look forward to applying our experience and dedication to your next architectural project.
Services
Architectural Design LEED Certification Residential Projects Commercial Development Sustainable Design Mixed-Use Complexes Wineries & Hotels Custom Homes Office Spaces Amusement Parks
Details
  • Year established: 1971
Highlights and features
  • We have over 30 years of architectural experience in Santa Cruz County
  • Our firm specializes in both commercial and residential project types
  • We deliver LEED-certified sustainable design solutions
  • Our portfolio includes diverse project scales and building types
  • We provide full-service architectural guidance from concept to completion
Associations and certifications
  • LEED
Services
Architectural Design
Our architectural design services combine creative vision with technical expertise to create functional, aesthetically pleasing spaces. We work on both commercial and residential projects, from initial concept through final construction documentation. Our team specializes in creating site-specific designs that respond to environmental context while meeting client needs and regulatory requirements.
Sustainable Design
We integrate sustainable design principles into all our projects, including LEED-certified buildings and energy-efficient solutions. Our approach emphasizes environmental responsibility through material selection, energy conservation strategies, and site-sensitive design. We help clients achieve sustainability goals while maintaining functional and economic viability for their projects.
Commercial Development
Our commercial development services cover a wide range of building types including wineries, restaurants, car dealerships, and mixed-use complexes. We understand the unique requirements of commercial spaces and create designs that balance aesthetics with practical functionality. Our experience includes major projects like the Hyatt Place Hotel Santa Cruz and multiple natural foods market locations.
Residential Projects
We offer comprehensive residential design services for custom homes, additions, and multi-family housing complexes. Our portfolio includes diverse housing types from single-family residences to large-scale developments like the 132-unit Neary's Lagoon Housing. We focus on creating livable, sustainable spaces that reflect our clients' needs and enhance their quality of life.
Mixed-Use Complexes
Our firm specializes in designing mixed-use developments that integrate multiple functions within a single building or complex. We've completed projects combining retail, office, and residential spaces while maintaining cohesive design language. Our experience includes notable projects like the Flat Iron Building on Pacific Ave and Opal Cliffs Center.
People
William Bagnall
Founder
William Bagnall established the firm in 1971, bringing decades of architectural experience to Santa Cruz County before passing leadership to his son Peter.
Peter Bagnall
Principal Architect
Peter Bagnall has over 30 years of architectural experience, continuing his father's legacy while expanding the firm's capabilities in sustainable design and complex projects.
Questions
What types of architectural projects does William Bagnall Architects specialize in?
We specialize in both commercial and residential projects, including LEED-certified sustainable designs for wineries, hotels, mixed-use complexes, custom homes, office spaces, and amusement parks.
How long has William Bagnall Architects been in business?
Our firm has been serving Santa Cruz County and the Central Coast since 1971, with Peter Bagnall continuing the practice for over 30 years.
What makes William Bagnall Architects unique?
We combine generational expertise with sustainable design principles, offering full-service architectural solutions from concept to completion for diverse project types and scales.
Can you work on historic or landmark buildings?
Yes, our experience includes projects like the Flat Iron Building on Pacific Ave and The Boardwalk Casino, demonstrating our capability with historic structures.
Do you serve areas beyond Santa Cruz County?
While our primary focus is Santa Cruz County and the Central Coast, we have completed projects in surrounding regions including Santa Rosa and Half Moon Bay.